Pale Blue USB Rechargeable Batteries use lithium technology meaning they are fully charged after only two hours. A single one can replace 1000+ alkaline disposable batteries. They come with a micro USB-C port so you can charge four batteries at once, and they have a handy LED indicator to let you know when they are fully charged. These lithium batteries won't discharge when not in use and have on-board smart technology that provides safe charging, so your electronic devices will be safe.
•Four AAA lithium batteries fully charged after 1.5 hours
•1000+ charge cycles
•USB-C to Micro USB-C charge cable included to charge all four batteries at once
•Built-in LED charging indicator
•Won't discharge when not in use