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A27 battery
A27: 12 V high-voltage alkaline battery, 8 mm × 28.2 mm, about 20 mAh (240 mWh). Same battery: 27A, MN27, 8LR732, V27GA, GP27A, L828.
12 Vvoltage
8 mmdiameter, 0.315 in
28.2 mmlong, 1.11 in
≈ 20 mAhcapacity
A27: what to know
- It is the same 12 V as the A23 but narrower (8 mm vs 10.3 mm); an A23 will not fit an A27 slot, and an A27 is loose in an A23 slot.
A27 equivalents
27AMN278LR732V27GAGP27AL828
Can I use another battery instead of an A27?
| Battery | Size | Volts | Works? | Why |
|---|---|---|---|---|
| A23 | 10.3 mm × 28.5 mm | 12 V | No | Different width: 10.3 mm vs 8 mm. |
What uses an A27 battery?
- Car alarm remotes
- Garage door and gate remotes
- Wireless doorbells
Guides: car alarm remote