the Duracell Coppertop 9V alkaline battery is made to power everyday devices throughout the home, like toys, remote controls, flashlights, clocks and radios, portable electronics, and more ...

EXCELLENT PERFORMANCE: The service life of 6LR61 9v alkaline batteries is 6-8 times that of ordinary carbon 6f22 9v battery. The smoke detector battery provides long-lasting power and reliable ...

The type of smoke alarm, the device's power drain, and how often the alarm is triggered also plays a role in the battery longevity. Generally, the best 9v battery for a smoke detector may last ...

Having the best smoke detector for your home isn't just a ... It's powered by a 9-volt battery, plate-mounted and features both "hush" and "test" buttons for weekly testing. I liked its efficiency ...