SunFounder Raspberry Pi 4 UPS Power Supply, Acrylic Case, Protect The Raspberry Pi and Data, 5V/3A 2000 mAh, Battery Pack, Compatible with Raspberry Pi 4B/3B+/3B/Zero 2 W/Arduino/ESP32/Pico W

Superior Power Management Delivers a robust 5V/3A output, ideal for Raspberry Pi 4, ensuring stable and reliable power under high loads. Features an acrylic protective case and advanced battery protection, including overcharge, over-discharge, and overheating safeguards.
Intelligent Monitoring and Control PiPower 3's 32-bit RISC-V microcontroller uses I2C to monitor voltages, battery levels, and charging status. It supports automatic low-voltage shutdown and power-on when external power is restored.
Enhanced Compatibility Integrates with Raspberry Pi GPIO, USB Type-A, and 2x4P header, making it ideal for Raspberry Pi, Banana Pi, ODROID-C4, Libre Computer Board, Arduino, Pico, and ESP32 projects. Provides reliable power support for various SBCs.
User-Friendly Features Includes indicators for battery level, input source, power status, reverse polarity, and output power. Features a safe shutdown button for flexible and convenient power control.
Reliable UPS Solution Ensures smooth power transitions during interruptions, protecting your projects from unexpected shutdowns. Provides uninterrupted power and safeguards your device and data during outages.