We do this by testing thousands of products in our two test labs in Noida and Mumbai, to arrive at indepth and unbiased buying advice for millions of Indians.

Our evaluation included extensive discharge tests to find long-lasting alkaline batteries -- including AA, AAA, C, D and 9-volt options. We also considered the cost per battery for each option to ...

The following rechargeable batteries are all top-notch and available in AA and AAA models. Keep reading to discover our favorite rechargeable batteries, including affordable bulk packs and ...

Jim Dreyer, a marathon swimmer, was about 30 miles into an 82.9-mile swim across Lake Michigan last week when he realized his GPS navigator was running low on power. He had prepared for this, so ...

Don't Buy AA and AAA batteries Our tests uncover the best and the worst. If a product performs so poorly that we think you should avoid it, we call it a Don't Buy. We've tested two AA and three AAA ...