Lithium battery bags do work, but only to contain fires, not prevent them. For most users, they’re an inexpensive safeguard ...

Makita's rechargeable batteries are built to last, but when they fail, many wonder if they can be safely rebuilt or ...

Lithium-ion batteries that use water-based electrolytes instead of flammable solvents would make rechargeable devices safer. But the performance of water-based batteries has been subpar. Now, by ...