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Home › Batteries › 18350
Rechargeable flashlight battery

18350 battery

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    18350

    18350 is a rechargeable flashlight battery, short and chunky, about 3.5 cm long. It gives 3.6 volts.

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  2. 2

    Safety first

    This one is rechargeable

    It gives more power than a normal battery. Only use it in things made for it.

  3. 3

    Names you might see in the store

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

  4. 4

    Quick facts

    Size
    Short and chunky, about 3.5 cm long
    Power
    3.6 volts
    Keeps in a drawer for
    About 3 years
    Rechargeable?
    Yes
    Found in things like
    Flashlights built for 3.7V cells
  5. 5

    Where to buy it

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

    Amazon searchEnergizer listings, any pack sizeSearch Amazon for Energizer 18350
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for 18350 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 18350
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See it at real size

18350 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

18350US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read 18350:

1818 mm diameter
35035.0 mm length
Li-ion3.6V rechargeable

The same battery from each brand

BrandTheir name for it
Official name18350

Exact measurements

Width
18.4 mm (0.724 in)
Length
35.0 mm
Voltage
3.6V (empty at 2.5V)
Energy stored
1100 mAh
Weight
—
Made with
Lithium-ion rechargeable
Works between
-20 … 60 °C
Official code
18350

Questions people ask

Is 18350 the same as 18350?

Yes. They’re the same battery with different names.

How long will a spare keep in a drawer?

About 3 years if it stays cool and dry.

Can I recharge it?

Yes, it’s rechargeable. Only charge it in a charger or device made for it.

18350
18350Rechargeable flashlight battery
Search Amazon for 18350As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

Something wrong or missing? Tell us

1What it is2Safety3Other names4Facts5Buy it