Product description
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 (18650)
Features: 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. 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: 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
