If you use a lot of batteries, you know how they can drain your wallet. So it pays to know which ones to buy for which devices. Consumer Reports (CR) recently put AA batteries to the test.
For devices that need bursts of power such as digital cameras and frequently used toys, CR recommended taking the green route with rechargeable batteries and singled out Sanyo Eneloop and Sony Cycle Energy. Another option is a single-use lithium battery. CR recommended the Energizer Ultimate.
For devices that draw very little power such as remote controls and flashlights, CR suggested using single-use alkaline batteries, which should last for several years. CR singled out the Panasonic Evolta and the much less expensive Kirkland Signature brands.
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