Uninterrupted Power Supply Automatically switches to battery power when external power is disconnected, ensuring your Raspberry Pi Zero keeps running without interruption. ^^ Real-Time Battery Monitoring Built-in INA219 chip provides accurate readings of voltage, current, power, and remaining battery capacity via I2C interface. ^^ Plug-and-Play Design No soldering required; uses a 2x3P pin header for easy and secure connection to all Raspberry Pi Zero models. ^^ Integrated 1000mAh Li-ion Battery Supports 3.7V 803040 lithium battery with built-in protection against overcharge, over-discharge, and short circuits. ^^ LED Status Indicator Visual charging status: blinking during charging, solid when charging, off when fully charged or on battery mode.