Lithium-ion batteries wear down over time, but better charging habits can help you get more life out of your iPhone and ...

Uncover the truth about modern lithium-ion degradation. We break down the ideal power cycle routine so you can maximize your ...

Forever running out of juice? Top up your battery-powered devices with our expert picks, from tiny smartphone chargers to super speedy models ...

If you're flying with a power bank, be aware of the latest rules. Airlines require lithium-ion battery chargers to be in carry-on luggage, not checked bags.