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CR2450 battery
CR2450: 3 V lithium coin cell, 24.5 mm × 5 mm, about 620 mAh (1.9 Wh). Same battery: DL2450, ECR2450, 5029LC.
3 Vvoltage
24.5 mmdiameter, 0.96 in
5 mmthick, 0.197 in
≈ 620 mAhcapacity
CR2450: what to know
- It is 4.5 mm wider and 1.8 mm thicker than a CR2032, so the two can never be swapped.
- The extra size buys about 2.8 times the energy of a CR2032, which is why proximity key fobs that are always listening for the car use it.
CR2450 equivalents
DL2450ECR24505029LC
Can I use another battery instead of a CR2450?
| Battery | Size | Volts | Works? | Why |
|---|---|---|---|---|
| CR2430 | 24.5 mm × 3 mm | 3 V | Short-term | 2 mm thinner: may sit loose; fine short-term. |
| CR2477 | 24.5 mm × 7.7 mm | 3 V | No | 2.7 mm thicker: will not fit. |
What uses a CR2450 battery?
- Ford and Lincoln intelligent access key fobs
- Bike computers and sports sensors
- Digital kitchen scales
- Wireless door and window sensors
Guides: digital bathroom scale · wireless doorbell button · car key fob · Ford key fob · Lincoln key fob · BMW key fob · Jeep key fob · Ram key fob
Code: C = lithium, R = round, 24 = 24.5 mm wide, 50 = 5 mm thick. Same width: CR2430, CR2477.
24.5 mm coin cells are the size children swallow most; one can burn the throat in two hours. Keep spares sealed and battery doors taped.