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Panasonic CR1632 coin cell lithium 3v battery

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Genuine Panasonic power you can trust

This Panasonic CR1632 is a genuine 3V lithium coin cell from one of the most respected battery makers in the world. With a 140mAh capacity and Panasonic’s leak-resistant build, it delivers dependable, long-lasting power for the small devices you rely on.

Stable voltage, consistent performance

Lithium chemistry holds a steady 3 volts across almost the entire discharge curve. That means your device keeps performing consistently rather than fading gradually, whether it is a key fob, a compact optic or a watch.

Works in any conditions

Rated from -30C to +85C, the CR1632 keeps working through cold winter game days and hot summers alike. Its very low self-discharge also means it holds charge for years in storage, so it is a smart spare to keep on hand.

Check your size before you buy

The CR1632 is 16mm across, smaller than the common 20mm CR2032, so match the code printed on your old cell before ordering. Find more coin cells and power in our BBs, gas and batteries section.

General
BrandPanasonic
Other
Battery ChemistryLithium
ModelCR1632
ChemistryLithium manganese dioxide (non-rechargeable)
Nominal voltage3V
Nominal capacity140mAh
Diameter16.0mm
Height3.2mm
Approx. weight1.9g
Operating temperature-30C to +85C
Continuous drain0.1mA

Frequently asked questions

What is the CR1632 typically used for?

The CR1632 powers car key fobs, some red dot and reflex sights, watches, fitness devices and various small electronics. Check your device's battery marking, as the CR1632 is easily confused with the larger CR2032 but is a smaller 16mm cell.

Is this a genuine Panasonic battery?

Yes, this is a genuine Panasonic CR1632 cell. Panasonic is one of the most trusted names in lithium coin cells, known for accurate capacity ratings and reliable, leak-resistant performance.

How is the CR1632 different from a CR2032?

Both are 3V lithium coin cells, but the CR1632 is 16mm across and the CR2032 is 20mm. They are not interchangeable, so always match the number printed on your old battery or in your device manual.

Can I recharge it?

No. The CR1632 is a single-use primary lithium cell and must not be recharged. Once flat, replace it and recycle the used cell at any battery collection point.

How long will it last before I need to replace it?

That depends on the device, but with 140mAh of capacity and a very low self-discharge rate, a CR1632 can run a low-drain device such as a key fob or watch for a year or more. It also stores well for years unused.