Top off your phone, tablet, laptop, or any other gadget without dropping everything to sit by an outlet.

Many readers will have at some time or another built their own lithium-ion battery packs, whether they are using tiny cells or the huge ones found in automotive packs. A popular choice it to salvage ...

There's almost nobody who is looking to spend more money on tools than they have to. You don't go into Home Depot or Lowe's ...

If you want a purpose-built battery that doesn't add much weight and brings a ton of function, we'd say the $99 MagSafe Battery Pack fits the bill. Who this is for: The MagSafe Battery Pack is a ...

News about a software-capped Large+ battery pack option for the Gen 2 Rivian R1 vehicles has been floating around for some time. However, Rivian didn't bother to explain what this is and what its ...

Jack Johnson taught children (and many grown-ups) that three is a magic number with his songs. The singer was talking about the three Rs: "reuse, reduce, and recycle." Repairing reduces production ...

We may receive a commission on purchases made from links. When it comes to batteries, most of us will have a handle on fundamentals like volts, amps, and watts. But what about the rest of the jargon?