Alchemy Power Inc PiZUpTime 20 UPS for Raspberry Pi PiZero SBC IoT

Provides UPS with stable 5V, 2A max. Uses one Li-Ion or Li-Polymer battery. Max charge current is 0.5 Amps. Battery is not included., Includes Battery management system (BMS). Ensures battery charges automatically when power returns., On board ADC measures Input Voltage, Output Voltage, Battery Voltage and Temperature. Sample Python code enables you to monitor these and shutdown the Pi when Power fails and battery runs low., Can install an On/Off switch. Off position cuts off all power to the Pi. Use a 2.54mm cable connector for the switch (see Amazon B07FXXDN2M)., LED provide indication when battery is being charged. LED off when battery is full.