From TV remotes and game controllers, to smoke alarms and clocks, many household items regularly use single-use batteries for ...

The Xtar L8 Box can charge eight batteries simultaneously, is compatible with both AA and AAA batteries, and runs off a USB-C charger.

The Xtar L8 Box is my dream AA/AAA battery charger - it charges eight batteries simultaneously, is compatible with both AA and AAA batteries, and runs off a USB-C charger.

Dec. 29, 2025 A major breakthrough in battery science reveals why promising single-crystal lithium-ion batteries haven’t lived up to expectations. Researchers found that these batteries crack due to ...