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BATHOLDER350
BATTERY COMPARTMENT
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: RIGOL
- Product type: Battery Holders
- SVHC: No SVHC (25-Jun-2025)
- Product Range: -
- No. of Batteries: 24
- Battery Holder Mount: Panel
- Battery Sizes Accepted: 18650
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 782.13 € |
| Current stock | 10+ |
| Lead time | 30 days |
Datasheet
# BatHolder350 Battery Holder
User Guide Jul. 2025
## **Guaranty and Declaration**
## **Copyright**
© 2025 RIGOL TECHNOLOGIES CO., LTD. All Rights Reserved.
## **Trademark Information**
RIGOL[®] is the trademark of RIGOL TECHNOLOGIES CO., LTD.
## **Notices**
- RIGOL products are covered by P.R.C. and foreign patents, issued and pending.
- RIGOL reserves the right to modify or change parts of or all the specifications and pricing policies at the company's sole decision.
- Information in this publication replaces all previously released materials.
- Information in this publication is subject to change without notice.
- RIGOL shall not be liable for either incidental or consequential losses in connection with the furnishing, use, or performance of this manual, as well as any information contained.
- Any part of this document is forbidden to be copied, photocopied, or rearranged without prior written approval of RIGOL.
## **Product Certification**
RIGOL guarantees that this product conforms to the national and industrial standards in China as well as the ISO9001:2015 standard and the ISO14001:2015 standard. Other international standard conformance certifications are in progress.
## **Contact Us**
If you have any problem or requirement when using our products or this manual, please contact RIGOL.
E-mail: service@rigol.com
Website: http://www.rigol.com
|**Section**<br>**Description**<br>**Page**|
|---|
|List of Figures.................................................................................................................................**II**|
|List of Tables..................................................................................................................................**III**|
|1 Safety Requirement<br>.........................................................................................................1|
|1.1 General Safety Summary<br>..................................................................................................................1|
|1.2 Safety Notices and Symbols<br>............................................................................................................1|
|1.3 Battery Holder Using Requirements<br>.............................................................................................2|
|1.4 Battery Installation Requirements<br>.................................................................................................2|
|1.5 Battery Holder Storage Requirements<br>.........................................................................................3|
|1.6 Battery Holder Disposal Requirements<br>........................................................................................4|
|1.7 Environmental Considerations<br>........................................................................................................4|
|2 Product Features<br>..............................................................................................................5|
|3 Document Overview<br>.......................................................................................................6|
|4 General Inspection<br>...........................................................................................................7|
|5 Battery Holder Overview<br>...............................................................................................8|
|6 To Use the Battery Holder<br>..........................................................................................10|
|6.1 To Install Batteries<br>.............................................................................................................................10|
|6.2 To Install Battery Holder<br>.................................................................................................................11|
|6.3 To Remove Battery Holder<br>.............................................................................................................13|
|6.4 Activation<br>.............................................................................................................................................14|
|6.5 Self-calibration<br>...................................................................................................................................16|
|6.6 To Charge Battery Holder<br>...............................................................................................................17|
|6.7 Battery Capacity Indicator<br>..............................................................................................................18|
|6.8 To Manage Battery Holder<br>.............................................................................................................19|
|7 Troubleshooting<br>.............................................................................................................21|
|8 Specifications<br>..................................................................................................................23|
|9 Battery Shipping Label<br>.................................................................................................25|
|10 Appendix<br>...........................................................................................................................26|
|10.1 Appendix A: Accessories<br>.................................................................................................................26|
|10.2 Appendix B: Warranty<br>......................................................................................................................26|
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
BatHolder350 User Guide
**I**
## **List of Figures**
|Figure 5.1 Battery Holder Front/Rear View .......................................................................|Figure 5.1 Battery Holder Front/Rear View .......................................................................|Figure 5.1 Battery Holder Front/Rear View .......................................................................8|
|---|---|---|
|Figure 6.1 Battery Installation Sequence .........................................................................|Figure 6.1 Battery Installation Sequence .........................................................................|Figure 6.1 Battery Installation Sequence .........................................................................11|
|Figure 6.2 Activator .................................................................................................................|Figure 6.2 Activator .................................................................................................................|Figure 6.2 Activator .................................................................................................................15|
|Figure 6.3 Connect the Activator ........................................................................................|Figure 6.3 Connect the Activator ........................................................................................|Figure 6.3 Connect the Activator ........................................................................................16|
BatHolder350 User Guide
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
**II**
## **List of Tables**
|Table 6.1 LED Indicator - Charging ....................................................................................|Table 6.1 LED Indicator - Charging ....................................................................................|Table 6.1 LED Indicator - Charging ....................................................................................18|
|---|---|---|
|Table 6.2 LED Indicator - Standby and Discharging ....................................................|Table 6.2 LED Indicator - Standby and Discharging ....................................................|Table 6.2 LED Indicator - Standby and Discharging ....................................................19|
|Table 8.1 Specifications ..........................................................................................................|Table 8.1 Specifications ..........................................................................................................|Table 8.1 Specifications ..........................................................................................................23|
|Table 8.2 Battery Performance ............................................................................................|Table 8.2 Battery Performance ............................................................................................|Table 8.2 Battery Performance ............................................................................................23|
|Table 8.3 Environmental Specifications ............................................................................|Table 8.3 Environmental Specifications ............................................................................|Table 8.3 Environmental Specifications ............................................................................24|
|Table 8.4 Mechanical Characteristics (Battery Holder) ...............................................|Table 8.4 Mechanical Characteristics (Battery Holder) ...............................................|Table 8.4 Mechanical Characteristics (Battery Holder) ...............................................24|
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BatHolder350 User Guide
**III**
BatHolder350 User Guide **IV**
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Safety Requirement
## **Safety Requirement**
## **1 Safety Requirement 1.1 General Safety Summary**
Please review the following safety precautions carefully before putting the product into operation so as to avoid any personal injury or damage to the product and any product connected to it. To prevent potential hazards, please follow the instructions specified in this manual to use the product properly.
When using this product, you may need to use other devices. For warnings and precautions of using those devices, refer to the "Safety Requirement" provided in their manuals.
**==> picture [291 x 18] intentionally omitted <==**
**----- Start of picture text -----**<br>
1.2 Safety Notices and Symbols<br>**----- End of picture text -----**<br>
**Safety Notices in this Manual:**
**WARNING Indicates a potentially hazardous situation or practice which, if not avoided, will result in serious injury or death.**
**CAUTION Indicates a potentially hazardous situation or practice which, if not avoided, could result in damage to the product or loss of important data.**
## **Safety Notices on the Product:**
- **DANGER**
It calls attention to an operation, if not correctly performed, could result in injury or hazard immediately.
- **WARNING**
It calls attention to an operation, if not correctly performed, could result in potential injury or hazard.
- **CAUTION**
It calls attention to an operation, if not correctly performed, could result in damage to the product or other devices connected to the product. **Safety Symbols on the Product:**
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BatHolder350 User Guide
**1**
Safety Requirement
## **Hazardous Safety Warning Protective Earth Chassis Ground Test Ground Voltage Terminal**
## **1.3 Battery Holder Using Requirements**
- Do not use the battery holder in an environment of water and corrosive gases.
- Do not use the battery holder in environments that are outside the specified range.
- The battery holder does not support hot swapping. Before installing or removing the battery holder, power off the instrument and disconnect all charge/discharge cables to avoid damaging the instrument or battery holder.
## **1.4 Battery Installation Requirements**
- Although the battery holder has the reverse polarity protection, install the batteries correctly according to the designation of polarity (+ and - symbol) on the battery holder cover, as is shown in the figure below. Reverse polarity can cause incorrect battery identification and lock the battery pack. It can even damage the battery holder in the long term.
**==> picture [67 x 23] intentionally omitted <==**
**----- Start of picture text -----**<br>
Negative End<br>Positive End<br>**----- End of picture text -----**<br>
- Do not install any batteries other than the 18650 flat-top Lithium-ion batteries, even if they are of the same size.
- Only use 18650 flat-top Lithium-ion batteries. Do not insert 16650 or 12700 batteries into the battery holder using the conversion device.
- Never use button-top batteries. Only 18650 flat-top Lithium-ion batteries with 65 mm length can be installed in the battery holder. As the button-top batteries are taller than 65 mm, you may damage the battery holder if you force the button-top batteries in.
BatHolder350 User Guide
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
**2**
Safety Requirement
**==> picture [149 x 166] intentionally omitted <==**
**----- Start of picture text -----**<br>
+ +<br>×<br>√<br>- -<br>Flat-top Button-top<br>Battery Battery<br>**----- End of picture text -----**<br>
- Tighten the cover after inserting Lithium-ion batteries in the battery holder.
- Use new Lithium-ion secondary batteries (hereinafter referred to as Li-ion batteries) of the same brand, model, and state[[1]] with 3.7 V to 4.2 V initial voltage (4.2 V is the best) and 3000 mAh to 3500 mAh nominal capacity per unit. For the battery specifications, refer to Table 8.2 Battery Performance .
- Use batteries with security guarantee. Otherwise, fire or explosion may occur to bring immeasurable losses. RIGOL shall not be liable for those losses.
- Before and after installation, inspect the battery holder carefully to ensure no foreign objects (e.g. water, sheet metal, flammable label) inside the battery holder.
## **NOTE**
- [1]: The same state means that the voltage differences of all battery cells should lie between ±150 mV (3.7 V to 4.2 V).
## **1.5 Battery Holder Storage Requirements**
- Store the battery holder at temperatures between -5℃ and 50℃ with less than 80% relative humidity without condensation.
- Store the battery holder in an environment free of corrosive gases.
- Do not modify the battery holder.
- Do not hit the battery holder or drop it onto the hard floor. Otherwise, its casing will be distorted, causing damage to internal structure of the battery holder. It may make it difficult to remove batteries or even damage the internal circuit to bring fire or explosion.
- Keep the battery holder away from exposed metal objects or particles because they may cause a short-circuit or damage the battery holder.
- When the battery holder is stored with batteries installed, it is recommended to perform a discharge-charge cycle or charge the battery every 15 days. You can
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
BatHolder350 User Guide
**3**
Safety Requirement
- also press the button to check the battery capacity regularly. Otherwise, the selfdischarge of the battery holder would make the battery run out of charge and reset the battery holder or even cause irreversible damage to the battery.
- If you do not use the battery holder for an extended period, it is recommended to remove the batteries.
- The batteries inside the battery holder has a shelf life. Preserve, maintain, and replace the batteries properly according to the battery manual.
- When shipping the battery holder, please use a Li-ion battery label. For details, pleases refer to Battery Shipping Label.
## **1.6 Battery Holder Disposal Requirements**
- When the battery holder is ready for disposal, remove all battery cells before disposing of the battery holder. As lithium-ion batteries are classified as hazardous waste, please properly dispose of them according to local government regulations.
- When all batteries are removed, be free to dispose of the battery holder.
- Never dispose of the battery holder in fire or its internal electrical components may emit toxic fumes. It can even cause explosion or serious personal injury if the battery holder still contains batteries.
## **1.7 Environmental Considerations**
The following symbol indicates that this product complies with the WEEE Directive 2012/19/EU.
The equipment may contain substances that could be harmful to the environment or human health. To avoid the release of such substances into the environment and avoid harm to human health, we recommend you to recycle this product appropriately to ensure that most materials are reused or recycled properly. Please contact your local authorities for disposal or recycling information.
You can click on the following link https://int.rigol.com/services/services/declaration to download the latest version of the RoHS&WEEE certification file.
BatHolder350 User Guide
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
**4**
Product Features
## **2 Product Features**
RIGOL provides detachable battery holders for some of its product models. After the battery holder is installed, it powers the instrument as a power supply when the instrument has not been connected to AC power. It enables the instrument to work for hours in place where an AC power source is not available (e.g. in the field). The actual operating time varies depending on the instrument model. A battery holder option makes it more flexible to use the instrument, giving you unlimited test freedom from power source.
The battery holder has the following features:
- Support a maximum of 24 standard 18650 battery cells.
- Two charging methods: the instrument's charge system and activator charge.
- It has the battery protection methods, protecting batteries from over voltage, under voltage, over current, short circuit, high temperature, and low temperature.
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BatHolder350 User Guide
**5**
Document Overview
**3**
## **Document Overview**
This manual gives you a quick overview of the functions, using methods, and safety precautions of RIGOL BatHolder350.
**TIP** For the latest version of this manual, download it from RIGOL official website (http:// @ - www.rigol.com).
## **Publication Number**
UGN02100-1110
## **Format Conventions in this Manual**
## **1. Key**
The front panel key is denoted by the menu key icon. For example, indicates the "Default" key.
## **2. Menu**
The menu item is denoted by the format of "Menu Name (Bold) + Character Shading" in the manual. For example, - **Setup** indicates the "Setup" sub-menu under the "Utility" function menu. You can click or tap os **Setup** to access the "Setup" menu.
**3. Operation Procedures**
The next step of the operation is denoted by " **>** " in the manual. For example, > Y **Utility** indicates first clicking or tapping a and then clicking or tapping a **Utility** . ~~—~~
BatHolder350 User Guide
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**6**
General Inspection
## **4**
## **General Inspection**
## **1. Inspect the packaging**
If the packaging has been damaged, do not dispose the damaged packaging or cushioning materials until the shipment has been checked for completeness and has passed both electrical and mechanical tests.
The consigner or carrier shall be liable for the damage to the instrument resulting from shipment. RIGOL would not be responsible for free maintenance/rework or replacement of the instrument.
## **2. Inspect the instrument**
In case of any mechanical damage, missing parts, or failure in passing the electrical and mechanical tests, contact your RIGOL sales representative.
## **3. Check the accessories**
Please check the accessories according to the packing lists. If the accessories are damaged or incomplete, please contact your RIGOL sales representative.
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BatHolder350 User Guide
**7**
Battery Holder Overview
## **5**
## **Battery Holder Overview**
**==> picture [316 x 179] intentionally omitted <==**
**----- Start of picture text -----**<br>
1<br>SE ial<br>mins SSS<br>|<br>5 4 3 2<br>**----- End of picture text -----**<br>
**Figure 5.1 Battery Holder Front/Rear View**
## **1. Battery Holder Cover**
Open the cover to replace batteries.
## **2. Screw Hole**
Install the screw of the mounting frame into the screw hole to secure the battery holder to the mounting frame.
## **3. Connector**
- Connect the activator to activate the battery holder or charge the battery holder.
- Connect the connector to the rear-panel battery holder interface of the instrument. After that, you can use the instrument (connected to AC power) to power the battery holder or use the battery holder to power the instrument (not connected to AC power).
## **4. LED Indicator**
Indicates the battery holder capacity and operating status. For details, refer to Battery Capacity Indicator.
## **5. Button**
- When the battery holder is not connected to the instrument with no power source applied for over 120 s, it enters sleep mode. In the sleep mode, "long press"[[1]] the button to activate the LED indicators and enable 11.66 V output.
- Long press[[1]] the button to power on/off the battery holder. You can long press the button for more than 2 s and release the button after the boot/shutdown animation is complete. During the boot/shutdown animation, if you release the
BatHolder350 User Guide
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**8**
Battery Holder Overview
button, the process stops (four LED indicators blinking concurrently) and restores to the original state.
## **NOTE**
[1]: "Long press" refers to a gesture of pressing and holding the button for over 2 seconds and then releasing the button.
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BatHolder350 User Guide
**9**
To Use the Battery Holder
## **6 To Use the Battery Holder**
This chapter introduces the basic operations of the battery holder, including installing batteries, installing the battery holder, activation, self-calibration, charging, managing the battery holder, and check the battery power.
Follow the steps below if you use the battery holder for the first time:
**1.** After you have purchased the batteries that meet the requirements, install the batteries in the battery holder (refer to To Install Batteries).
**2.** Install the battery holder onto your instrument (refer to To Install Battery Holder).
**3.** Apply AC power to the instrument and perform the activation process (refer to Activation).
## **6.1**
## **To Install Batteries**
The battery holder allows you to insert the batteries as required. Please follow the requirements specified in Battery Installation Requirements to install the batteries so as to avoid any personal injury or damage to the product and any product connected to it. The company would not be responsible for any problems arising from operation in violation of precautions.
## **TIP**
The battery holder is not equipped with batteries when leaving factory. Please install the batteries when first use the battery holder. If the instrument can work normally, do not replace the batteries unless necessary. If you need to replace the battery cells (e.g. when a battery pack fails), be sure to open the covers of four battery packs. Remove the battery cells and replace them with new cells that meet the installation specifications. Test the new cells and perform cell balancing before use.
To replace or install batteries, follow the steps below:
**1.** Disconnect the battery holder from the instrument or activator. Loosen the screws on the cover of the battery holder and remove the cover.
- Unscrewing the battery cover resets the status of the battery holder. To use the battery holder, install new specified Li-ion batteries and perform the activation again (refer to Activation).
**2.** Remove all batteries (if any) from the battery holder.
**3.** Install batteries from position 1 following the sequence as illustrated in the figure below. Group 6 battery cells as a pack (No.1-6 as pack 1, 7-12 as pack 2, 13-18 as pack 3, 19-24 as pack 4). The batteries must be installed in packs (at least two packs).
- It is recommended to install four battery packs for optimal performance. If you do not fill the battery holder with 4 battery packs (e.g. only 2 or 3 packs), it will
BatHolder350 User Guide
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
**10**
To Use the Battery Holder
cause insufficient capacity of the battery holder and decreased operating time of the instrument.
- If only one pack (6 battery cells) is installed, the battery holder is not available for use.
- The installed batteries must meet the requirements specified in Table 8.2 Battery Performance .
**==> picture [325 x 118] intentionally omitted <==**
**----- Start of picture text -----**<br>
Connector<br>|<br>|(SSS| ie a [7 Weaafae Ga aa aeee| \7 [laa] |<br>{ 2 dy} | 4 )} 6 Wh I 8 dy 10 | )} 12 Wh I 14 )} 16 \ 18 qh 20 ) J 22 k { 24 ) |<br>| \N / A. / A / / r ’ / pA / \ L A / Jr SAWN J VNU AX iN<br> =A—Asi‘iAAs QQ.><A at (SPs—¢<br>1 3 5 7 9 11 13 15 17 19 21 23<br>eeLN ee ee a eeer glyy,<br>**----- End of picture text -----**<br>
**Figure 6.1 Battery Installation Sequence**
**4.** Close the battery cover and tighten the screws.
**5.** Perform the activation by referring to Activation.
**6.** After completing the activation, you can use the battery holder.
## **6.2 To Install Battery Holder**
This section illustrates how to install the battery holder onto your instrument by taking the DG5000 Pro Series Function/Arbitrary Waveform Generator as an example.
## **CAUTION**
**The battery holder does not support hot swapping. Before installing and removing the battery holder, power off the instrument and disconnect all power cables to avoid damaging the instrument or battery holder.**
To install the battery holder, follow the steps below:
**1.** See the figure below. Fit the battery holder into the frame, aligning the frame screws with the screw holes on the battery holder.
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BatHolder350 User Guide
**11**
To Use the Battery Holder
**==> picture [174 x 65] intentionally omitted <==**
**----- Start of picture text -----**<br>
Screw Hole = A<br>= s— Screw<br>**----- End of picture text -----**<br>
## **CAUTION**
**Hold them carefully to avoid pinching your hands or dropping them onto the ground.**
**2.** Tighten the screws on the frame to the right to secure the battery holder to the frame.
**3.** Turn off the instrument and disconnect it from the power source. Remove the battery holder connector plug on the rear panel to expose the connector.
**4.** Orient the battery holder on the instrument's rear panel and insert the two feet of the battery holder into the instrument slots at the same time.
BatHolder350 User Guide
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**12**
To Use the Battery Holder
**5.** Push the battery holder up toward the instrument to align the connector on the battery holder with the rear-panel interface on your instrument.
**6.** Press the two buckles on the frame and snap them into the instrument grooves at the same time.
## **6.3 To Remove Battery Holder**
This section illustrates how to remove the battery holder from your instrument by taking the DG5000 Pro Series Function/Arbitrary Waveform Generator as an example.
## **CAUTION**
**The battery holder does not support hot swapping. Before installing and removing the battery holder, power off the instrument and disconnect all power cables to avoid damaging the instrument or battery holder.**
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BatHolder350 User Guide
**13**
To Use the Battery Holder
To remove the battery holder, follow the steps below:
**1.** Turn off the instrument and disconnect it from the power source.
**2.** As shown in the figure below, hold the battery holder steady with both hands from behind the instrument and then press the buckles of the battery holder to remove the battery holder.
## **CAUTION**
**Place the instrument on a flat and large bench to avoid pinching your hands or**
**dropping it onto the ground, and remove the battery holder referring to the gesture as shown in the figure above.**
**3.** Insert the battery holder connector plug to the rear-panel connector of the instrument.
## **6.4**
## **Activation**
When batteries are replaced, the internal main power supply circuit of the battery holder is cut off for which you cannot use the battery holder directly. You need to install the battery holder onto the instrument and apply AC power to activate the battery holder. You can also use the battery holder activator to activate the battery holder.
## **Activate the Battery Holder Using Activator**
The battery holder can be activated by the activator to power the instrument. The battery holder activator is as shown in the figure below.
BatHolder350 User Guide
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**14**
To Use the Battery Holder
**Figure 6.2 Activator**
**1.** Activator button.
**2.** Type-C interface, used to connect power.
**3.** Activator indicator.
**4.** Activator connector, used to connect the battery holder.
To use the activator to activate the battery holder, follow the steps below.
**1.** Connect the activator to the battery holder connector correctly, as shown in the
- figure below.
**2.** Use the USB Type-C cable to connect an adaptor (12 V/3 A) supporting PD 3.0 and then apply the AC power source. You can also connect a mobile power source (12 V/3 A). The green light "OK" of the activator is on, indicating that the activator is enabled.
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BatHolder350 User Guide
**15**
To Use the Battery Holder
## **Figure 6.3 Connect the Activator**
## **Activate the Battery Holder Using the Instrument**
Install the battery holder onto the instrument correctly by referring to To Install Battery Holder. Apply AC power to the instrument to activate the battery holder.
## **6.5 Self-calibration**
After the battery holder is successfully activated, it is recommended to calibrate the battery holder. After the calibration is complete, you can use the battery holder. The basic idea of self-calibration is to complete a charge-discharge cycle in a short period of time and check the status of the battery during the process.
To calibrate the battery holder, follow the steps below:
**1.** Install the battery holder onto the instrument correctly by referring to To Install Battery Holder. Note that the instrument should be turned off and disconnected from all charging cables before installing and removing the battery holder.
**2.** Apply AC power to the instrument and turn it on. If the battery holder has not been activated, the instrument first activates the battery holder.
- **3.** Click or tap 2 **> Utility** os **>** oe **PMU** to enter the power management menu. Then
- — click or tap SE **Battery self check** and select = **OK** in the prompt window to perform self-calibration.
BatHolder350 User Guide
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**16**
To Use the Battery Holder
**4.** The battery holder starts to be charged and calibrated. A few seconds later, the discharge process automatically starts (the instrument is always on during the discharge process).
**5.** After the self-calibration is done, a prompt window will pop up. **TIP** When the battery holder is performing self-calibration, the battery icon is displayed as (in gray).
## **To Charge Battery Holder**
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**----- Start of picture text -----**<br>
6.6 To Charge Battery Holder<br>You can charge the battery holder in the instrument (AC power applied) or in an<br>activator.<br>CAUTION<br>Do not attempt to charge the battery holder at temperatures below 0℃ (+32℉) or above<br>o<br>+40℃ (+104℉). Otherwise, the battery will not be fully charged or even damaged. =<br>Internal Charge<br>**----- End of picture text -----**<br>
The battery-powered instrument has a built-in charge system. After the instrument has a battery holder installed, it can charge the battery holder inside while the AC power is applied.
To charge the battery holder inside the instrument, follow the steps below:
**1.** Install the battery holder onto the instrument (refer to To Install Battery Holder). Note that the instrument should be turned off and disconnected from all charging cables before installing and removing the battery holder.
**2.** Apply external power from the instrument AC adapter. The LED indicators on the battery holder blink and the battery holder starts to charge.
While the instrument is powered on, you can check the capacity of the battery holder from the instrument's display screen. While the instrument is powered off, you can check the capacity through the LEDs on the battery holder (refer to Table 6.1 LED Indicator - Charging ).
## **TIP**
When the instrument prompts charging, you should promptly connect it to AC power.
Otherwise, the lithium batteries in the battery holder may enter a protective state due to overdischarge or cause other faults. At this time, you can remove the covers of all four battery packs and re-apply power to activate the battery holder or take out the batteries and fully charge them before use.
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BatHolder350 User Guide
**17**
To Use the Battery Holder
## **Activator Charge**
You can use the activator to charge the battery holder. To use the activator to charge the battery holder, follow the steps below.
**1.** Connect the activator to the battery holder connector correctly as shown in Figure 6.3 .
**2.** Use the USB Type-C cable to connect an adaptor (12 V/3 A) that conforms to the Power Delivery (PD) 3.0 Specification and then apply the AC power source. You can also connect a mobile power source (12 V/3 A). The green light "OK" of the activator is on, indicating that the activator is enabled (yet not powering the battery holder).
**3.** Press the button of the activator and the red light "RUN" is on, indicating that it starts to power the battery holder. The LED indicators blink and the battery holder starts to charge.
While the battery holder is charging, you can check its capacity through the LEDs on the battery holder (refer to Table 6.1 LED Indicator - Charging ).
## **6.7 Battery Capacity Indicator**
When the battery holder is charging or discharging, the 4 LED indicators will indicate its charge/discharge status. They are used to indicate the battery capacity of all batteries installed in the current battery holder. If only three battery packs are installed in the battery holder and all of them are fully charged, the LED indicators will also indicate 100%.
**Table 6.1 LED Indicator - Charging**
**Battery LED Indicator Holder Description Capacity 1 2 3 4** 1% to 25% Blinking - - - - 26% to 50% Lit Blinking - - - 51% to 75% Lit Lit Blinking - - 76% to 99% Lit Lit Lit Blinking - 100% Lit Lit Lit Lit - Error Blinking Blinking Blinking Blinking Connected to charger that fails to meet the specification ~~—~~ When the battery holder is in standby mode, you can "short press" the button to activate the battery capacity display.
BatHolder350 User Guide
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**18**
To Use the Battery Holder
## **Table 6.2 LED Indicator - Standby and Discharging**
|**Battery Holder**<br>**Capacity**|**LED Indicator**|**LED Indicator**|**LED Indicator**|**LED Indicator**|
|---|---|---|---|---|
||**1**|**2**|**3**|**4**|
|1% to 25%|Lit|-|-|-|
|26% to 50%|Lit|Lit|-|-|
|51% to 75%|Lit|Lit|Lit|-|
|76% to 100%|Lit|Lit|Lit|Lit|
## **6.8 To Manage Battery Holder**
After the battery holder is installed onto the instrument properly, you can use the instrument to check the battery holder information and configure the battery holder. This chapter introduces how to manage the battery holder via your instrument (taking the DG5000 Pro Series Function/Arbitrary Waveform Generator as an example).
Click or tap **> Utility > PMU** to enter the power management menu. on mm
## **Battery Power**
This item displays remaining battery power.
You can also check the battery's remaining power and status via the battery icon at the lower-right of the screen.
- The number in the battery icon indicates the remaining power.
- **•** When the battery power falls below 20%, the battery icon turns into red. ao **•** When the instrument is connected to AC power to charge the battery holder, the battery charging icon appears.
- When the battery holder is performing self-calibration, the battery icon is
displayed as (in gray).
## **Remaining Time**
This item displays the estimated remaining operating time of the battery holder.
## **Self-calibration**
Apply AC power to the instrument. Then click or tap **Battery self check** ~~P|~~ and a prompt window is displayed. Click or tap ~ **OK** to perform the self-calibration. For details, refer to Self-calibration.
**Battery Holder Information** Click or tap **Battery holder information** and the information menu is displayed as ~~ee~~ shown in the figure below. You can check whether the battery cell is installed to a specified position, the battery voltage, charging/discharging current, and the battery
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**19**
To Use the Battery Holder
status. When the battery holder is in self-calibration or an error occurs, the prompt message (e.g. "Attention: Battery holder locked. Abnormal battery temperature.") will pop up in this menu. For troubleshooting battery issues, refer to Troubleshooting.
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**20**
Troubleshooting
## **7**
## **Troubleshooting**
The battery holder locks when issues occur. You need to troubleshoot the battery issues. The issue types will be displayed in Battery Holder Information interface. The possible issues (including self-calibration failure) and suggested solutions are as follows.
## **NOTE**
When the voltage difference is too great for the battery holder and you try to replace the battery cells, you need to remove the covers of the four battery packs to reset the state of the battery holder and complete the activation before using the battery holder.
## **1. Abnormal battery temperature.**
Stop using the battery holder. Ensure that it is within the proper ambient temperature range (0 to 40℃).
**2. Battery cells in the same pack vary a lot in voltage.**
Stop using the battery holder. Remove the battery cells with too great voltage difference according to the prompt message. Install new cells whose voltage difference and capacity difference meet the requirements as shown in the table below.
Initial voltage difference ±150 mV (3.7 V to 4.2 V) Battery capacity <5% x nominal capacity difference
**3. Battery cells in different packs vary a lot in voltage.**
Stop using the battery holder. Remove the battery cells with too great voltage difference according to the prompt message. Install new cells whose voltage difference and capacity difference meet the requirements (refer to the table above).
## **4. Abnormal battery voltage.**
Stop using the battery holder. Remove the battery cells with abnormal voltage. Install new cells and ensure that the initial voltage can meet the requirements (3.7 V to 4.2 V).
## **5. Abnormal charging/discharging current and others.**
Stop using it immediately and contact RIGOL.
## **6. Self-calibration fails.**
- **a.** Check whether at least two complete battery packs are installed.
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**21**
Troubleshooting
- **b.** Check whether the requirements specified in Battery Installation Requirements is met.
- **c.** Check whether the batteries meet the requirements specified in Table 8.2 Battery Performance .
- **d.** Execute self-calibration again.
- **e.** If the problem still persists, please contact RIGOL.
BatHolder350 User Guide
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**22**
Specifications
## **8 Specifications**
**Table 8.1 Specifications**
|**Item**|**Description**|
|---|---|
|Battery type|3.6 V 18650 standard lithium-ion secondary battery, flat-top,<br>standard 65 mm length|
|Charge voltage<br>limit|4.2 V|
|Input voltage/<br>current|12 V 9 A|
|Output voltage/<br>current|Max. 11.66 V/30 A|
|Output power|Max. 350 W|
|Charging method|CC-CV|
**Table 8.2 Battery Performance**
|**Item**|**Description**|
|---|---|
|Nominal voltage|3.6 V|
|End-of-charge<br>voltage|4.2 V|
|End-of-discharge|2.5 V to 2.75 V|
|voltage||
|Charge current|≥2.25 A|
|allowed||
|Discharge current|≥3.75 A|
|allowed||
|Initial voltage|3.7 V to 4.2 V|
|Initial voltage<br>difference|±150 mV (3.7 V to 4.2 V)|
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BatHolder350 User Guide
**23**
Specifications
|**Item**|**Description**|
|---|---|
|Maximum||
|discharge|>1C|
|capacity||
|Maximum charge<br>capacity|>0.5C|
|Battery internal<br>resistance|<70 mΩ|
|Battery capacity|3000 mAh to 3500 mAh|
|Battery capacity<br>difference|<5% x nominal capacity|
**Table 8.3 Environmental Specifications**
|**Item**|**Description**|**Description**|
|---|---|---|
|Ambient<br>temperature|Operating|0 to 40℃|
||Storage|Without batteries: -30 to 60℃<br>With batteries: -5℃ to 50℃|
|Humidity|Operating|Below +30℃, ≤90% RH (without condensation)<br>+30℃ to +40℃, ≤75% RH (without condensation)|
||Storage|Without batteries: below 60℃, ≤90% RH (without<br>condensation)<br>With batteries: below 50℃, ≤85% RH (without<br>condensation)|
|Altitude|Operating|Below 3,000 m|
||Storage|Below 15,000 m|
**Table 8.4 Mechanical Characteristics (Battery Holder)**
|**Item**<br>~~a~~|**Description**<br>~~a~~|
|---|---|
|Dimensions<br>~~a~~|235.5 mm (W) x 99.2 mm (H) x 61 mm (D)<br>~~a~~|
|Weight<br>~~a~~|Without batteries: 0.874 kg<br>With batteries: 2.020 kg<br>~~a~~|
BatHolder350 User Guide **24**
Battery Shipping Label
## **9**
## **Battery Shipping Label**
Handle the self-adhesive label attached to the product package with due attention and care. Before shipping the battery holder package containing batteries, stick the label to the package and fill in your contact information.
UN ID Number: UN3481 (Hazard Class Label: Class 9)
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BatHolder350 User Guide
**25**
Appendix
## **10 Appendix**
**10.1 Appendix A: Accessories Item Qty** Battery Holder 1 Battery Holder Mounting Frame 1 Battery Holder Activator 1 Battery Holder Warranty Card 1 Battery Shipping Label 2 ~~—~~ **10.2 Appendix B: Warranty** RIGOL TECHNOLOGIES CO., LTD. (hereinafter referred to as RIGOL) warrants that the product mainframe and product accessories will be free from defects in materials and workmanship within the warranty period. If a product proves defective within the warranty period, RIGOL guarantees free replacement or repair for the defective product.
To get repair service, please contact your nearest RIGOL sales or service office.
There is no other warranty, expressed or implied, except such as is expressly set forth herein or other applicable warranty card. There is no implied warranty of merchantability or fitness for a particular purpose. Under no circumstances shall RIGOL be liable for any consequential, indirect, ensuing, or special damages for any breach of warranty in any case.
BatHolder350 User Guide
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**26**
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Provide Testing and Measuring Products and Solutions for Industry Customers
## HEADQUARTER
## EUROPE
RIGOL TECHNOLOGIES CoO., LTD. RIGOL TECHNOLOGIES EU GmbH No.8 Keling Road, New District, Friedrichshafener Str. 5 F F 82205 Gilching aera oneal Germany oh: F00~ ; Tel: +49(0)8105-27292-21 Email: info-cn@rigol.com Email: info-europe@rigol.com
## JAPAN
## KOREA
RIGOL JAPAN CoO., LTD. RIGOL KOREA CO,. LTD. 5F,3-45-6,Minamiotsuka, Toshima-Ku, 5F, 222, Gonghang-daero, Tokyo, 170-0005,Japan Gangseo-gu, Seoul, Republic of Korea Tel: +81-3-6262-8932 Tel: +82-2-6953-4466 Fax: +81-3-6262-8933 Fax: +82-2-6953-4422 Email: info.jp@rigol.com Email: info.kr@rigol.com
## NORTH AMERICA
RIGOL TECHNOLOGIES, USA INC. 10220 SW Nimbus Ave. Suite K-7 Portland, OR 97223 Tel: +1-877-4-RIGOL-1 Email: sales@rigol.com For Assistance in Other Countries Email: info.int@rigol.com
RIGOL® is the trademark of RIGOL TECHNOLOGIES CO., LTD. Product information in this document is subject to update without notice. For the latest information about RIGOL's products, applications and services, please contact local RIGOL channel partners or access RIGOL official website: WWW.rigol.com
Updated at April 24, 2026
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