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Home › Batteries › CR425
Camera & alarm battery

CR425 battery

1What it is2Other names3Facts4Buy it
  1. 1

    What it is

    CR425

    CR425 is a camera & alarm battery, short and skinny, about 2.5 cm long. It gives 3 volts.

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  2. 2

    Names you might see in the store

    All of these are the same battery. Any of them will work.

  3. 3

    Quick facts

    Size
    Short and skinny, about 2.5 cm long
    Power
    3 volts
    Keeps in a drawer for
    About 10 years
    Rechargeable?
    No, use once
    Found in things like
    Fishing bobbersSmall medical devicesPrecision instruments
  4. 4

    Where to buy it

    As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer CR425
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for CR425 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell CR425
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See it at real size

CR425 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

CR425US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read CR425:

CLithium manganese dioxide chemistry (3.0V)
RRound cylindrical form factor
4≈ 4 mm diameter (exact 4.0 mm, 0.157 in)
2525.0 mm length

The same battery from each brand

BrandTheir name for it
Official nameCR425

Exact measurements

Width
4.0 mm (0.157 in)
Length
25.0 mm
Voltage
3.0V (empty at 2.0V)
Energy stored
25 mAh
Weight
0.75 g
Made with
Lithium manganese dioxide
Works between
-40 … 60 °C
Official code
CR425

Questions people ask

How long will a spare keep in a drawer?

About 10 years if it stays cool and dry.

Can I recharge it?

No. Never try to recharge it.

CR425
CR425Camera & alarm battery
Search Amazon for CR425As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1What it is2Other names3Facts4Buy it