BR2032 battery
What replaces a BR2032
BR2032/BN, BR-2032
3 V lithium (primary), 20 × 3.2 mm (diameter × height)
The BR2032 is a single-use 3 V lithium (primary) coin cell. The codes below are the same physical cell sold under different manufacturer names, and any of them will fit.
Specification
- IEC designation
- BR2032
- Nominal voltage
- 3 V
- Chemistry
- Lithium (primary)
- Size
- 20 × 3.2 mm (diameter × height)
- Typical capacity
- 190 mAh
- Rechargeable
- No — never charge it
Codes that mean the same battery
| Code | Fits? |
|---|---|
| BR2032/BN | Yes — same cell |
| BR-2032 | Yes — same cell |
Codes that look close but are not
| Code | Why it is not a substitute |
|---|---|
| CR2032 | Identical case and 3 V, but a different lithium chemistry. The BR is carbon monofluoride: a little less capacity, a much lower peak current, far lower self-discharge and a −30 to +80 °C range. Substituting a CR where a BR is specified — industrial controls, car electronics, anything hot — shortens life; substituting a BR into a key fob can brown out on the transmit pulse. |
The BR2032 is a primary cell and must never be put in a charger. Charging a sealed primary battery builds gas pressure inside a can with no vent designed for it, which is how they rupture or catch fire. Rechargeable look-alikes exist for several sizes and carry different codes — check the code, not the shape.
Where it turns up
- PLC and CNC controller memory backup
- Automotive body-control modules
- Industrial instruments running hot or cold
- Long-life utility metering
Rated at 190–200 mAh by Panasonic, the main producer. The B prefix in IEC 60086 is lithium/carbon monofluoride; C is lithium/manganese dioxide.
Common questions
- What is equivalent to a BR2032?
- BR2032/BN, BR-2032 — all the same 3 V cell under different manufacturer codes.
- Can I use a CR2032 instead of a BR2032?
- Identical case and 3 V, but a different lithium chemistry. The BR is carbon monofluoride: a little less capacity, a much lower peak current, far lower self-discharge and a −30 to +80 °C range. Substituting a CR where a BR is specified — industrial controls, car electronics, anything hot — shortens life; substituting a BR into a key fob can brown out on the transmit pulse.
- Is the BR2032 rechargeable?
- No. It is a primary cell — charging one risks rupture or fire. Rechargeable look-alikes exist in the same size under different codes.
Related pages
- CR2032 battery 3 V lithium (primary)
- CR2025 battery 3 V lithium (primary)
- CR2016 battery 3 V lithium (primary)
- CR2450 battery 3 V lithium (primary)
- CR1220 battery 3 V lithium (primary)
- CR1620 battery 3 V lithium (primary)
- CR1632 battery 3 V lithium (primary)
- CR2430 battery 3 V lithium (primary)
- CR2477 battery 3 V lithium (primary)
- CR1616 battery 3 V lithium (primary)
- CR1225 battery 3 V lithium (primary)
- LIR2032 battery 3.6 V lithium-ion (rechargeable)
Sources
- Typical range compiled from manufacturer specifications — At One Place