Dual USB 5V 1A 2.1A Mobile Power Bank Lithium Battery Charger Board Digital LCD

Features: This is the mobile power module Accessories 18 650 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 1A USB Output: 5V 2.1A / 5V 1A(Dual USB interface) Charging display: intelligent digital display Batteries Type: liquid lithium-ion batteries (18 650) Product Size: 57mm x 28mm Screen size:27mm x 17mm Installation instructions: The circuit board is connected to the battery negative B- B + is the positive do not connecting reversed connecting reversed will burn the board the battery is connected in parallel welding assembling battery. Note that the insulation between the battery and the circuit board battery lead not to touch the circuit board so as not to cause a short circuit. Package included: 1 x Battery Charger PCB Board Note: Due to the different monitor and light effect the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3mm measuring deviation due to manual measurement.