UPS HAT (D) for Raspberry Pi 4B 3B+ 3B, etc Supports 21700 Li Battery (NOT Included) Pogo Pins Connector Charging and Power Output at The Same Time 5V

Features The UPS HAT (D) is an uninterruptible power supply (UPS) expansion board specially designed for the Raspberry Pi series. Onboard switching Li battery charging chip with path management, boost converter chip, and voltage/current monitoring chip which can monitor the operating state of the batteries via the I2C interface. Adopts pogo pins connector design, compatible with Raspberry Pi 3 / 3B+ / 4B, etc. Onboard Li battery charging chip, with dynamic path management, more stable power supply Onboard boost converter chip for stable 5V power output I2C bus communication, monitoring the batteries voltage, current, power, and remaining capacity in real time
Multi battery protection circuits: over charge/discharge protection, over current protection, short circuit protection, more safe and stable Onboard MCU management, supports detecting power connection and booting the Raspberry Pi Supports displaying battery level on the system, easy to check the battery remaining capacity Onboard LED indicators for monitoring the battery operating status Comes with online development resources and manual Package include The 21700 batteries are NOT included 1. UPS HAT (D) x1 2. Acrylic protection panel x1 3. Screws pack x1