This is the mobile power module Accessories, 18650 Circuit board shell.Meet the individual needs of your DIY, but you must understand basic electronic assembly.Motherboard comes with protection function: 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.Specifications:Micro USB input: 5V 1AUSB Output: 5V 2.1A / 5V 1A(Dual USB interface)Charging display: intelligent digital displayProduct Size: 57mm x 28mmScreen size:27mm x 17mm
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