For Raspberry Pi Zero UPS Lite V1.2 UPS Power Hat Board With 1000mAh Battery Features: 1. It is a UPS power supply designed for Raspberry Pi Zero. 2. The power supply board integrates a serial port function (CP2104), a fuel gauge chip (MAX17040G) and a 1000mAh battery, and adopts a thimble mounting method, which is simple and generous. 3. The actual test standby time is up to 6 hours (test conditions: turn on the network at zero time, print the power parameters every 2 seconds). 4. Note: The product does not include an external adapter.If you want to replace it by yourself, please forgive us for not being able to provide professional repair tools and instructional videos. Thank you for your purchase. Specification: Charging current: 400mA Output voltage: 5V 0.1V Output current: 1.3A@5V (no external adapter, battery power only) 2A@5V (when external adapter is plugged in) Power Measurement Accuracy: Tolerance 2 Package Includes(Options): 1*UPS Power HAT with 1000mAh battery OR 1*UPS Power HAT with 1000mAh battery and serial driver Note: 1. Please allow 1-3 mm error due to manual measurement. Please make sure you don't mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!