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 ...

We've tested and reviewed products since 1936. Read CR's review of the Energizer Advanced Lithium AA battery to find out if it's worth it.

Discharge tests of three brands, Energizer, Duracell, and AlphaCell, revealed that there is one battery that crushed its competitors — Energizer Ultimate Lithium. Promoted as “The World’s ...

Lithium AA batteries can provide longer lifespans, but are considerably more expensive. ... against six of the Energizer Ultimate lithium batteries at a draw of 800mA.

For AAA batteries, our Best Buys last an hour and a half longer than the worst. In a medium-drain device, you'll get an amazing 14 extra hours from our Best Buy AAs, and four additional hours from our ...

Suburban St. Louis-based Energizer Holdings on Tuesday introduced Energizer EcoAdvanced, described as the first disposable AA and AAA alkaline batteries made with recycled batteries.

Energizer Ultra+ packs will show logos indicating that they are appropriate for low battery drain use such as clocks and torches, while the Energizer Ultimate Lithium icons represent high tech devices ...