Numerous gadgets, from remote controls to hearing aids, depend on small batteries. It’s vital to know when these batteries are close to being drained so they can be substituted before they’re ...

Rechargeable batteries are one of the best ways to save money and reduce e-waste. Upgrade this spring if you're still tossing out dead batteries. However, you need to be wary when buying ...

Lithium-ion batteries, used in consumer devices and electric vehicles, typically last hours or days between charges. However, with repeated use, they degrade and need to be charged more frequently.