20397903501

Battery, 1.55 V, SR59, Silver Oxide, 23 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
SVHC: To Be Advised
Weight: 0.5g
Pack Quantity: 1
Product Range: V 397 MF Series
Battery Voltage: 1.55V
External Height: 2.6mm
Battery Capacity: 23mAh
Battery IEC Code: SR726
Battery NEDA Code: 1163SO
Battery Size Code: SR59
Battery Terminals: Pressure Contact
External Diameter: 7.9mm
Battery Compliance: -
Battery Technology: Silver Oxide
Battery Type / Size: Button Cell

Delivery and price
Units per pack	100
Price	0.896 €
Current stock	10+
Lead time	30 days

Datasheet

**V 397 MF** 

Wi VARTA 

**Mercury - free Primary Silver** 

## Data Sheet 

|**Type Number ……………………………**|**Type Number ……………………………**|20397|
|---|---|---|
|**Designation IEC ………………………..**||SR 59|
|**System …………………………….……..**||Silver oxide / Zinc /|
|||NaOH - Electrolyte|
|**Nominal Voltage ………………………..**<br>**Typical Capacity C ……………….…….**<br>Load 20 kOhm, at 20°C down to 1.2 V||1,55 V<br>23 mAh|
|**Weight (approx.) …………………………**<br>**Volume ……………………………………**<br>**Coding……………………………………..**||0,5 g<br>0,11 ccm<br>Date of Manufacturing|
|**Temperature Ranges**||Month/Year|
|Storage ……………………………………<br>Discharge …………………………………||min               max.<br>-10°C            65°C|
|**Dimensions**||-10°C            65°C|
|Diameter (∅) ..…………………………….||min               max.|
|Height  (A/B) ………………………………||7,55              7,9|
|**Segment …………………………………..**||2,3                2,6|
|||Watch|
|**Main Applications …………………..…..**|||
|||Watch|
|||Photo|
|||Electronic|
|**Typical Capacities (at 20°C)**|||
|**Discharge Type                          Load            End Voltage:      1.2 V**|**Discharge Type                          Load            End Voltage:      1.2 V**|**Discharge Type                          Load            End Voltage:      1.2 V**|
|Continuous 20000ΩTime:                   320 h|Time:                   320 h|Time:                   320 h|
|24h/d,7d/w                                                        Capacity [mAh]:    23|24h/d,7d/w                                                        Capacity [mAh]:    23|24h/d,7d/w                                                        Capacity [mAh]:    23|
|Current [µA]:                                      78           Energy [mWh]:      33|Current [µA]:                                      78           Energy [mWh]:      33|Current [µA]:                                      78           Energy [mWh]:      33|



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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