Features 1、UPS Lite removes the rarely used serial port function, optimizes the battery power supply circuit, and uses ultra low on resistance MOS tube for power supply control, which improves the battery life. 2、A UPS power supply specially designed for Raspberry Pi zero, which integrates a fuel gauge chip (MAX17040G) and a 1000mAh lithium battery. 3、Theconvenient installation will save both your tiem and effoprt, and the standby time in actual test is up to 6 hours. 4、Supports external power plug detection, also supports charging and discharging, has dual color charging status indicator. 5、Made of premium Printed Circuit Board, the UPS power board is not easy to damage, and very durable for long term use. Specification Item Type: UPS Power Board Material: Printed Circuit Board Function: UPS power supply specially designed for Raspberry Pi Zero. Charging Current: 400mA Output Current: 1.3A at 5V (no external adapter is plugged in, only battery power is used), 2A at 5V (when the external adapter is inserted). Power Measurement Accuracy: Error ±2% Battery Specification: 1 x 3.7V 1000mAh Lithium Battery(built in battery) Package List 1 x UPS Power Board 4 x Nut