Rechargeable lithium-ion batteries might be in your phones and laptops, but a simple alkaline battery is still the go-to for a whole host of electronics, large and small. Whether it's your TV's remote ...

They don’t work for everything, and there’s the recharging time to take into account. But they let me cross “buy batteries” ...

Duralock technology keeps them fresh for 10 years. Can be recharged 2100 times. The year is 1780, and Italian physician Luigi Galvani has a dead frog attached to a brass hook on the kitchen table. He ...

We tested 15 AA batteries—the type typically used in digital cameras, flashlights, toys, radios, and remote controls—and found differences in performance and cost. (Note that the batteries aren't ...