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Home › Batteries › 17670
Rechargeable flashlight battery

17670 battery

1What it is2Safety3Other names4Facts5Buy it
  1. 1

    What it is

    17670

    17670 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.

    INR17670ICR17670
  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
    Long-runtime flashlightsPower banks
  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 17670
    See results on Amazon →
    Amazon searchMulti-packs from any brandSearch Amazon for 17670 multi-packs
    See results on Amazon →
    Amazon searchDuracell listings, the same batterySearch Amazon for Duracell 17670
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See it at real size

17670 next to a US quarter and an AA battery. “Real size” matches your hand once your screen is set up in Measure it.

17670US quarterAA

What do the letters mean?

Battery names are a code. Here’s how to read 17670:

1717 mm diameter
67067.0 mm length
Li-ion3.7V rechargeable

The same battery from each brand

BrandTheir name for it
Official name17670

Exact measurements

Width
17.0 mm (0.669 in)
Length
67.0 mm
Voltage
3.7V (empty at 2.5V)
Energy stored
1400 mAh
Weight
—
Made with
Lithium-ion rechargeable
Works between
-20 … 60 °C
Official code
17670

Questions people ask

Is 17670 the same as INR17670?

Yes. They’re the same battery with different names. You might also see INR17670, ICR17670.

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.

17670
17670Rechargeable flashlight battery
Search Amazon for 17670As an Amazon Associate, KnowYourBatteries.com earns from qualifying purchases.

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1What it is2Safety3Other names4Facts5Buy it