The power module is designed for the Raspberry Pi 3 Model B specially, allowing the master board to work offline for up to 9 hours. It's not only the for Raspberry Pi; this board has 2 USB type-A ports - one supplies power for the Raspberry Pi and the other for the embedded LCD screen. The module integrates a Li-ion battery charger IC, a boost management chip. And it is developed in strict accordance with the size of the international Raspberry Pi expansion board HAT, using only simple copper standoffs to install multi-layer Raspberry Pi boards.
Specification:
Maximum discharge current: 1.8A; Standard charging current/voltage: 1.0A/5.0V
Output voltage (no load): 5.1V ± 0.1V
The cut-off voltage of fully charging the Li-ion battery: 4.18V - 4.2V
Package includes fastening standoffs, screws, and nut, so you can stack the Raspberry Pi board on the module
Double USB outputs, one for the Raspberry Pi, the other for the embedded LCD screen
