ST. LOUIS — Energizer is making its Ultimate Lithium last longer than ever with a new retooled formula. The Ultimate Lithium AA batteries now last up to nine times longer in digital cameras (compared ...

Which AA batteries should you buy? AA batteries are among the most popular on the market, used in many portable electronic devices. Invented in 1907, AAs became one of the most popular battery types ...

Batteries are central to the success of mobile devices. Technology Editor Bill Wong and Jon Eager, Director of OEM Marketing for Energizer Battery Company, discuss challenges and options for powering ...

Is anyone giving or receiving a holiday gift labeled "batteries not included"? We thought so. Listen up: We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios ...

It's rare if a month flies by without some random university or DIYer proclaiming that the next major jump in battery technology is just over the horizon, and yet, here we are -- in the year 2009 -- ...