Dual USB 5V 1A 2.1A LCD Display Mobile Power Bank Module

Motherboard comes with protection function: Load overload protection, over-discharge protection, over current protection.Smart output device after full charging, automatically stop charging, to avoid the overhead of mobile phones.Voltage and stable output current, will not harm the user devices.

Specifications:
Micro USB input: 5V 1A
USB Output: 5V 2.1A / 5V 1A (Dual USB interface)
load display: intelligent digital display
Lithium-ion Liquid Batteries (18650)
Product Size: 57mm x 28mm
Screen Size: 27mm x 17mm

Installation Instructions:
The circuit board is connected to the negative of the B- battery, B is the positive, no inverted, reversed connection will burn the connection plate, the battery is connected in parallel welding, battery assembly. Note that the insulation between the battery and the circuit board, lead battery to not touch the circuit board, so as not to cause a short circuit.

Package Includes:
1x Mobile Power Bank 18650 Battery Charger PCB