Standard Raspberry Pico header, supports Raspberry Pico series boards Incorporates -po battery switching charger with path management, more stable power supply I2C bus communication, monitoring the battery voltage, current, power, and remaining capacity in real time Multi battery protection circuits: over charge/discharge protection, over current protection, short circuit protection, and reverse protection, more safe and stable.Onboard recharging indicator, power indicator, easy to check the battery status Features At A The Pico-UPS-B is a dedicated UPS (Uninterruptible Power Supply) module designed for Raspberry Pico. It incorporates -po battery switching charger with power path management, and voltage/current monitoring chip, allows monitoring the battery operating status via I2C bus. What's more, the male pin header possible to "stack" other modules on top. Uninterruptible Power Supply For Pico Keeps Your Pico Running While Recharging, Monitoring Battery Via I2C, Stackable Design Raspberry Pico Header Compatibility Onboard Female Pin Header For Direct Attaching To Raspberry Pico,Male Pin Header For Stacking Other Modules RECHARGE VOLTAGE:5V CONTROL BUS:I2C BATTERY SUPPORT:600mAh 3.7V -po battery DIMENSION:62 x 21mm Note Raspberry Pico and - battery are NOT included. Colour:blue Material:PCB Package Contents: 1 x Pico-UPS-B Board Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.