If you’ve bought a powerful LED flashlight, a rechargeable battery pack, or a–ahem–stronger than usual LASER pointer, you’ve probably run into 18650 batteries. You often find these inside ...

USB Rechargeable Green Cross Line Laser ... acid leaks that sometimes occur when you leave alkaline batteries in an unused ...

Next, this is a “dual-fuel” flashlight, meaning it runs on both an included USB-C rechargeable battery and any AA batteries ...

Here's an inexpensive alternative to swapping out AA batteries from your Xbox controller all the time. Amazon is offering a two-pack of aftermarket rechargeable batteries for your Xbox controller ...