Dual USB 5V 2A Mobile Lithium Battery Power Bank Charger Module

This is the mobile power regulator Module Accessories, 18650 circuit board shell.
The individual needs of your DIY, you need to understand basic electronic assembly. Motherboard comes with protection function: Charging overload protection,Over-discharge protection, over-current protection. Intelligent output device after charging full, automatically stop charging, Prevent cell phone overload.Output voltage and current stable, will not damage user devices.
Installation Instructions:
The circuit board is connected to the battery negative B-, B + is the positive, not
Connecting backwards, connecting upside down will light up the board, the battery is connected
Parallel welding, assembling battery. Note that the insulation between the battery and theCircuit board, battery do not lead to the circuit board, so as not to cause a short circuit.