The Verbatim 23AF (MN21), also sold as 23A or A23, is a compact non-rechargeable alkaline battery for devices that need a 12V MN21 cell. It suits people replacing the battery in devices such as car key fobs, garage door remotes, wireless doorbells and alarm transmitters.

The two-battery pack gives you a spare for later. The MN21 format measures 10.6mm x 28.5mm and weighs approximately 7.9g, making it suitable for devices designed around this compact battery size. It is also intended for applications such as anti-bark spray collars.

Key features

• 12V alkaline power for compatible MN21 devices
• Non-rechargeable design for straightforward replacement
• Two batteries supplied in the pack
• Suitable for car key fobs, garage door remotes and wireless doorbells
• Also used in security alarm transmitters and other devices that take a 23A cell
• Compact 10.6mm x 28.5mm form factor

Compatibility

Choose this battery only for equipment that specifies the 23AF or MN21 format and 12V. The listed uses include thermometers, glucometers, blood pressure instruments, calculators, laser pointers, watches, toys, anti-bark spray collars and security alarm transmitters. Good to know: this is a non-rechargeable battery, so it must not be placed in a charger.

In the box

• Verbatim 23AF MN21

Specifications

For a compatible device that needs an MN21 battery, this two-pack gives you a replacement and a spare in the same purchase.