A power module specially designed for Raspberry Pi, which allows the use of Raspberry Pi in a mobile form . Battery capacity: 3000 mAH (maximum); Current Rating: 1.8A . Output voltage (without load): 5.1 V 0.1 V . Dual USB outputs, one for the Raspberry Pi, the other for the built-in LCD screen . Comes with mounting brackets, screws and nut, so you can stack the Raspberry Pi board in the module Technical details introduction The power module is designed for the Raspberry Pi 3 Model B especially, allowing the master board to work offline for up to 9 hours. It is not just the supply for Raspberry Pi; This board has 2 Type-One USB ports-one power supplies for the Raspberry Pi and the other for the LCD in-built display. The module integrates a Li-ion Battery charger IC, a power management chip chip. And it is developed in strict accordance with the size of the HAT Raspberry Pi international expansion board, using only simple copper brackets to install Raspberry Pi multi-layer boards. specifications: The capacity of the battery: 3000 mAH Maximum discharge current: 1.8A No-load output voltage: 5.1 V 0.1 V Standard load current / voltage: 1.0A / 5.0V Cut-off voltage to fully charge Li-ion battery: 4.18V-4.2V Size: 8.5*4.5/3.35"*1.77" Package 1 * Lithium Battery Expansion Board (with lithium battery) 4 * impasse of Copper 4 * Screw 4 * Nut