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Home › Batteries › 14650
Rechargeable flashlight battery

14650 battery

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    14650

    14650 is a rechargeable flashlight battery, a bit bigger than an AA. It gives 3.7 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.

    INR14650ICR14650
  4. 4

    Quick facts

    Size
    A bit bigger than an AA
    Power
    3.7 volts
    Keeps in a drawer for
    About 3 years
    Rechargeable?
    Yes
    Found in things like
    FlashlightsPower banksPortable radios
  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 14650
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for 14650 multi-packs
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    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 14650
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See it at real size

14650 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

14650US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read 14650:

1414 mm diameter
65065.0 mm length
Li-ion3.7V rechargeable

The same battery from each brand

BrandTheir name for it
Official name14650

Exact measurements

Width
14.0 mm (0.551 in)
Length
65.0 mm
Voltage
3.7V (empty at 2.5V)
Energy stored
1100 mAh
Weight
25 g
Made with
Lithium-ion rechargeable
Works between
-20 … 60 °C
Official code
14650

Questions people ask

Is 14650 the same as INR14650?

Yes. They’re the same battery with different names. You might also see INR14650, ICR14650.

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.

14650
14650Rechargeable flashlight battery
Search Amazon for 14650As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1What it is2Safety3Other names4Facts5Buy it