Lithium Coin Cells (3V) reference
BR2450
Battery equivalent chart, replacements, and specs
Voltage
3 V
Chemistry
LiCFx
Capacity
500–550 mAh
Size
24.5×5 mm
BR245024.5 × 5 mm
Conditional alternatives
Conditional- CR2450 — Higher capacity Li-MnO2 alternative for moderate temperatures
Technical data
Specifications
| Specification | Value |
|---|---|
| IEC / Common Code | BR2450 |
| Chemistry | LiCFx |
| Nominal Voltage | 3 V |
| Capacity | 500–550 mAh |
| Cutoff Voltage | ~2 V |
| Dimensions (D × H) | 24.5 × 5 mm |
Typical applications
- Outdoor sensors
- Automotive modules
- Industrial backup
Applications
Side-by-side comparisons
Frequently Asked Questions
Should I always trust cross-reference charts?
Use this guide as a starting point, then confirm with your device manual or manufacturer. Voltage, chemistry, and physical fit must all match for safe operation.
Related Batteries
Review record and primary sources
Reviewed by PlainBattery Technical Review Desk on 2026-08-25. Checked: model and alias mapping, nominal voltage and chemistry, physical dimensions, capacity range and replacement warnings.
- Lithium Technical Handbook: CR Coin-Type Batteries — Panasonic Energy, 2020 handbook (2020). CR/BR dimensions, nominal voltage, capacity, discharge and temperature characteristics.
Revision record: source citations and field-level review scope added September 11, 2026. See our sources and methodology and corrections policy.
Selection notes
Use BR2450 when datasheets specify wide temperature range; use CR2450 for maximum capacity at room temperature.
Last verified Aug 25, 2026. Always confirm voltage, chemistry, and dimensions with the device manufacturer before replacing any battery.