Alkaline batteries are the most widely available ... of choice for smoke alarms for a long time. The life span of a 9V battery depends on the quality and the battery brand. The type of smoke ...

Duracell alkaline AAs test well ... took the "best of" award in three of CNET's five categories (AAA, D, and 9V alkalines) in ...

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 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 ...

All of the common disposable alkaline batteries from AAA to D are single cells. The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three ...