- 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.