A23 Battery
Also known as: 12V alkaline battery
Constructed from 8 small button cells (LR932) stacked in series to provide 12V output. Very common in small remote control devices due to compact size and high voltage. Low capacity limits use to intermittent, low-current applications.
Quick Specifications
Voltage
12V
Capacity
50-55 mAh
Size
⌀10.3 mm
Height
28.5 mm
Technical Drawing
Dimensions shown in mm. Drawing not to scale.
Chemistry & Performance
| Chemistry | Voltage | Capacity | End Voltage |
|---|---|---|---|
| Alkaline | 12V | 50-55 mAh | 8V |
Physical Specifications
- Diameter
- 10.3 mm
- Height
- 28.5 mm
- Weight (typical)
- 8.0 g
Standard Designations
IEC Code
8LR932
ANSI Code
A23
Common Uses
- Car key fobs
- Garage door opener remotes
- Car alarm remotes
- Doorbell transmitters
- Small RF transmitters
- Wireless doorbells
- Security system remotes
- Gate openers
- LED tea lights
Temperature Range
Operating
-18°C to 55°C
Storage
-30°C to 60°C
Data Sources
- Energizer A23 Technical Datasheet
Retrieved: 2025-09-01
- Duracell MN21 Technical Specifications
Retrieved: 2025-09-01
- IEC 60086-2 Standard - Primary batteries Part 2
Retrieved: 2025-09-01