This Energizer MAX Plus 9V Battery will charge your devices for up to 50% longer than the 9V Energizer MAX. This battery is perfect for most standard smoke alarms and any other device that needs this type of battery.

• This is a 9V battery.
• This battery can be used in a smoke detector, remote controlled car, portable radio, torch or other device.
• They can hold power for up to 5 years in storage.
• There is 1 9V battery in this pack