But there’s a solution. A Chinese company called Martigi Manufacturing (MTG) claims to have developed a battery pack for the BMW i3 that can double the driving range of the 60 Ah version. That said, ...

The exception is the 9v battery which actually has six smaller cells inside of it. [Tom] took a look inside three different batteries to see what cells they’re hiding. Since he no longer uses ...

For most people, a battery pack that’s misbehaving simply means it’s time to get a new battery. But when the battery in their ThinkPad wasn’t able to muster up more than 20 minutes of ...