Dual USB 5V 2.1A Power Bank Module with Voltage Display and LED AA312

Plastics Storage Bins And Boxes16 Jan, 2023Business

This is the Mobile Power Boost DIY 18650 Lithium Battery Digital Dual USB mobile power module Accessories, 18650 Circuit board shell.Meet the individual needs of your DIY, but you must understand basic electronic assembly. The motherboard comes with protection Charging, overcharge protection, over-discharge protection, overcurrent protection. Intelligent output device after charging full, automatically stop charging, to prevent mobile phones overcharge. Output voltage and current stable, will not harm user devices.