UPS Module Battery Hat for Pico, Uninterruptible Power Supply Module I2 Pico-UPS-A is a dedicated UPS (Uninterruptible Power Supply) module designed for Pico. It includes a Li-battery switch-charging charger with path management and voltage/current monitoring chip, enabling monitoring of the battery's operating status via I2C bus. Standard Pico header, supports Pico series boards Includes Li-battery switch-charging charger with dynamic path management, more stable power supply I2C bus communication, monitors battery voltage, current, and remaining capacity in real-time Multiple battery protection circuits: overcharge/discharge protection, overcurrent protection, short-circuit protection, and reverse protection, along with the equalization charging function, safer and more stable Built-in charging indicator, status indicator, and battery warning indicator to check if the battery is connected Charging voltage: 5V Control bus: I2C Battery support: 14500 Li-battery (NOT INCLUDED) Note: 14500 battery NOT INCLUDED Color: blue Material: PCB Size: 60 x 21mm Package Contents: 1 x Pico-UPS-A Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. Allowed measurement error is +/- 1-3cm.