Waveshare UPS HAT For Raspberry Pi, 5V Uninterruptible Power Supply, Multi batt Protection Circuits, Power Your Pi Seamlessly From Power Connection OR The Backup batt

• Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards like Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W/Zero WH
• 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, and reverse protection, along with the equalizing charge feature, more safe and stable
• Onboard 5V regulator, up to 2.5A continuous output current.5V USB output, convenient for powering other boards
• Batteries warning indicators, easy to check if the battery is connected correctly.Comes with development resources and manual

Features Uninterruptible Power Supply for Raspberry Pi Power Your Pi Seamlessly From Power Connection OR The Backup Batteries, charge and power output at the same time. It is able to charge the batteries and provide power output at the same time from external power supply. Automatically switch over to batteries output if external power supply is unavailable, keeps the system running without any trouble. Standard Raspberry Pi 40PIN GPIO Header, Customized For Raspberry Pi Series Boards Monitoring The Batteries Voltage, Current, Power, And Remaining Capacity. When the voltage dips too low, it is possible to save files properly and then shutdown the system by software, to avoid any data loss Protection Circuits For Over Charge/Discharge, Over Current, Short Circuit, And Reverse.Along With The Equalizing Charge Feature, More Safe And Stable Convenient for powering other boards. Easy To Check If The Battery Is Connected Correctly Package Content UPS HAT x1 1 x 8.4 V battery charger. 2 x 20 pin female header x1 RPi screws pack (2 pieces) x1 Note Please note that the battery length SHOULD be less than 67 mm, some batteries with protection plate in the market are NOT supported, When installing the batteries in the first time, if the WARNING LED light is on, which means the correspondingbatteryassemblereversed, charging is forbidden in this case, please reinstall the batteries. Please charge with the charger we provided, in case the item is damaged if using another charger. Please contact us if you have any problem.