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

![Product image](https://novapart.co/image/farnell:1854977/)

**URL**: https://novapart.co/products/20389101501/battery-mercury-free-primary-silver-single-cell
**SKU**: 20389101501
**Manufacturer**: VARTA
**Category**: Batteries & Chargers || Batteries - Non-Rechargeable
**Price**: €1.5100
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| 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 |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:1854977/)

**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 <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|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 



## Links

- [View this product on Novapart](https://novapart.co/products/20389101501/battery-mercury-free-primary-silver-single-cell)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/varta/20389101501/battery-s-oxide-1-55v-81mah-v389/dp/1854977)
---

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