a rechargeable battery pack, or a–ahem–stronger than usual LASER pointer, you’ve probably run into 18650 batteries. You often find these inside laptop batteries and –famously– the Tesla ...

I've scoured the depths of the battery universe to bring ... Keep reading to discover our favorite rechargeable batteries, including affordable bulk packs and convenient USB charging options.

The need for portable power varies by user. If there is one power bank that will fit the bill for most, it's Raycon's Magic ...

You’ve cooked up some little microcontroller project, but you need to unhook it from your dev PC ... own rechargeable LiPo battery, but [PatH] was in a hurry. Instead, a USB battery pack was ...