20389101501

Battery, Mercury Free, Primary Silver, Single Cell, 1.55 V, SR54, Silver Oxide, 81 mAh

⚠️ 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
Weight: 1.31g
Pack Quantity: 1
Battery Voltage: 1.55V
External Height: 3.05mm
Battery Capacity: 81mAh
Battery IEC Code: SR54
Battery NEDA Code: 1138SO
Battery Size Code: SR54
Battery Terminals: Pressure Contact
External Diameter: 11.6mm
Battery Technology: Silver Oxide

Delivery and price
Units per pack	100
Price	1.51 €
Current stock	10+
Lead time	30 days

Datasheet

**V 389 MF** 

**Mercury - free Primary Silver** 

## VARTA 

## Data Sheet 

**==> picture [319 x 400] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|Type Number ……………………………|20389|
|Designation IEC ………………………..|SR54|
|System …………………………….……..|Silver oxide / Zinc /|
|KOH - Electrolyte|
|Nominal Voltage ………………………..|
|1,55 V|
|Typical Capacity C ……………….…….|81 mAh|
|Load 5.6 kOhm, at 20°C down to 1.2 V|
|Weight (approx.) …………………………|
|1,31 g|
|Volume ……………………………………|
|0,28 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) ………………………………|
|2,75               3,05|
|Segment …………………………………..|
|Watch / High Drain|
|Main Applications …………………..…..|Watch|
|Photo|
|Electronic|
|Typical Capacities (at 20°C)|

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


**==> picture [459 x 57] intentionally omitted <==**

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|||
|---|---|
|Discharge Type                               Load        End Voltage:       1.2 V|
|Continuous|5600 Ω      Time:                    295 h|
|24h/d,7d/w                                                         Capacity [mAh]:     81|
|Current [µA]:                                      275          Energy [mWh]:     124|

**----- 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 February 9, 2023

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