[Tom] took a look inside three different batteries to ... Moving on to the rechargeable PP3 battery in the middle he finds the 8.4V unit is made up of seven 1.2V nickel-metal hydride cells.

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 ...

Disassembling the small vape pens is fairly straightforward, but care needed to be taken to avoid contacting some of the chemical residue inside of the devices. After cleaning the batteries ...

Demand for rechargeable batteries is soaring ... high-performing batteries means understanding lithium’s behavior inside them, and lithium has been loath to give up its secrets.