Features:
1.module for 3.2V lithium iron phosphate batteries, need to ensure that the battery is not aging, the battery can be used in parallel not in series!
2. Small size, high power, low power ripple, sufficient materials, full protocol, good compatibility, stable performance
3. The product supports small current mode, digital tube display and LED power indication, more convenient to use.
4. High efficiency, complete protocols, mainstream open protocols are basically supported. Most of the models support fast charging, in addition to cell phones if you support the 9V/2A protocol can also be fast charging
5. Module volume is relatively small, the heat dissipation area is limited, high-power output heat is a normal phenomenon, we use high-quality materials, do not have to worry about the impact of heat on life!

Module interface:
Buttons: short press action, open the USB port and light load Type-C output port external discharge and power display
Double-click action, close the USB port and Type-C output port, power display.
If there is an external power supply, only the output port will be closed.
Type-C port: Input and output are supported.
USB port: high current output interface
B+: positive battery interface, use must be soldered, the wire must be thick, not too long

Module wiring with a multimeter to measure the module when charging and discharging the B + and B - contact voltage is the same or a small difference, if the difference is large, then there are problems with the wiring or the battery aging

Attention:
1. The motherboard received, first connected to the charging head test to see the LED light status, to confirm that the lights are bright before assembly.

3. Batteries can only be connected in parallel (parallel number is not limited), not in series, series must burn the motherboard. Ensure that the battery is good, if the battery is connected to a full charge, plug the phone can not discharge most of the battery aging scrapped.
4. Access to the battery to determine access to the 3.2V lithium batteries, not other batteries. Ensure that the battery is not connected in series, otherwise the battery terminal access voltage is higher than 4.5V may burn the board.
5. Board power indicator built-in coulomb meter, just connected to the battery display will not be allowed, the power meter to support the battery capacity self-learning function, more than a few times the complete charging process can learn the current battery capacity.

Package include:
Fast charging motherboard module * 1