20303101501.

Battery, 1.55 V, 303, Silver Oxide, 160 mAh, Pressure Contact, 1

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: VARTA
Product type: Batteries - Non-Rechargeable
Battery Voltage:1.55V; Battery Size Code:303; Battery Technology:Silver Oxide; Battery Capacity:160mAh; Battery Terminals; Available until stocks are exhausted Alternative available
SVHC: To Be Advised
Weight: 2.33g
Pack Quantity: 1
Product Range: V 303 MF Series
External Depth: -
External Width: -
Battery Voltage: 1.55V
External Height: 5.4mm
Battery Capacity: 160mAh
Battery IEC Code: SR44
Battery NEDA Code: -
Battery Size Code: 303
Battery Terminals: Pressure Contact
External Diameter: 11.6mm
Battery Compliance: -
Battery Technology: Silver Oxide
Battery Type / Size: Button Cell

Delivery and price
Units per pack	100
Price	1.87 €
Current stock	10+
Lead time	30 days

Datasheet

**V 303 MF** 

**Mercury - free Primary Silver** 

## VARTA 

## Data Sheet 

**==> picture [319 x 364] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Type Number ……………………………|20303|
|Designation IEC ………………………..|SR 44|
|System …………………………….……..|Silver oxide / Zinc /|
|NaOH - Electrolyte|
|Nominal Voltage ………………………..|
|1,55 V|
|Typical Capacity C ……………….…….|160 mAh|
|Load 5,6 kOhm, at 20°C down to 1.2 V|
|Weight (approx.) …………………………|
|2,33 g|
|Volume ……………………………………|
|0,57 ccm|
|Coding……………………………………..|
|Date of Manufacturing|
|Month/Year|
|Temperature Ranges|min               max.|
|Storage ……………………………………|-10°C              65°C|
|Discharge …………………………………|-10°C              65°C|
|Dimensions|
|min               max.|
|Diameter (∅)...…………………………….|
|11,25            11,60|
|Height  (A/B) ………………………………|
|5,0                5,4|
|Segment …………………………………..|Watch|
|Main Applications …………………..…..|Watch|
|Photo|
|Electronic|

**----- End of picture text -----**<br>


## **Typical Capacities (at 20°C)** 

**==> picture [448 x 57] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Discharge Type                               Load       End Voltage:      1.2 V|
|Continuous|5600 Ω      Time:                   585 h|
|24h/d,7d/w                                                          Capacity [mAh]:  160|
|Current [µA]:                                       275          Energy [mWh]:    245|

**----- End of picture text -----**<br>


VARTA Microbattery GmbH Daimlerstraße 1, 73479 Ellwangen, Germany Tel.: +49 79 61 921-0 Telefax: +49 79 61 921-553 

Subject to change without prior notice ! 

Date of Issue: 02.12.2009

Updated at April 28, 2026

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