Panasonic 1632 battery

Specification

• Nominal voltage: 3 V.

• Typical capacity: for CR-1632 (Lithium MnO₂ chemistry) about ~140 mAh.

• For the BR-1632 (lithium poly-carbon monofluoride) version: ~120 mAh

• Physical size: Diameter ≈ 16.0 mm, Height ≈ 3.2 mm.

• Weight: ~1.5 g (for BR version) or ~1.8 g (for CR version).

• Chemistry & variants:

  • CR-1632: Lithium Manganese Dioxide (Li/MnO₂) primary (non-rechargeable) cell.

  • BR-1632: Lithium poly-carbon monofluoride chemistry, high-temp version, also primary.

• Typical applications: small electronics, memory/back-up, key fobs, etc. The Panasonic website indicates use in devices like keyless entry, watches, etc.

• Operating/storage & special features:

  • Some high-temperature versions (BR-series) are rated for –40 °C to +125 °C.

  • Shelf life can be 5 years or more (for the consumer CR-1632 version) according to Panasonic.