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Home › Batteries › 26650
Rechargeable flashlight battery

26650 battery

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    26650

    26650 is a rechargeable flashlight battery, a bit bigger than an AA. 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
    A bit bigger than an AA
    Power
    3.6 volts
    Keeps in a drawer for
    About 3 years
    Rechargeable?
    Yes
    Found in things like
    High-output flashlightsPower tools
  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 26650
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for 26650 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 26650
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See it at real size

26650 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

26650US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read 26650:

2626 mm diameter
65065.0 mm length
Li-ion3.6V rechargeable

The same battery from each brand

BrandTheir name for it
Official name26650

Exact measurements

Width
26.5 mm (1.043 in)
Length
65.0 mm
Voltage
3.6V (empty at 2.5V)
Energy stored
5000 mAh
Weight
—
Made with
Lithium-ion rechargeable
Works between
-20 … 60 °C
Official code
26650

Questions people ask

Is 26650 the same as 26650?

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.

26650
26650Rechargeable flashlight battery
Search Amazon for 26650As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1What it is2Safety3Other names4Facts5Buy it