At some point, the 3.6 V of a single lithium ion battery just won’t do, and you’ll absolutely want to stack LiIon cells in series. When you need high power, you’ve either got to increase ...

There’s also the popular AA and AAA cylindrical batteries for calculators ... One of the first demonstrations was a series of metal discs soaked in brine, which Italian scientist Alessandro ...

There’s a good chance you aren’t disposing of your AA batteries properly. But you may not be to blame. There’s no shortage of conflicting messages on what to do with your dead alkaline ...