X728 Power Mgt + UPS Board for Raspberry Pi 4B Raspberry Pi x728 UPS & Smart Power Management Board Power Source

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Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.
Description
X728 UPS power supply equipment can support multiple charging methods:USB-C, 5V DC charging can be also supported cascading equipment.
Including a variety of different X series storage devices.
In this UPS also provides RTC function and programmable voltage and current reading function.
UPS provides a coulomb counter in the device.
Communicates with the Raspberry Pi through I2C, and can implement system-level low-voltage warnings and power-off warnings by installing driver scripts.
Power failure detection and notification to users, power safety management, low-voltage automatic shutdown (implemented by hardware).
Support for advanced path management can extend battery life, support 3A fast charging, most of the current charging is 2.1 or 2.4A.
Features
∵ Easy to assemble
∵ Battery Level Low warning LED indicator
∵ 5V Out status LED indicator
∵ Power status LED indicator
∵ Charging Status LED indicator
∵ Support cascade to X-series storage devices
∵ Compatible with X820, X825, X829, X822, X852, X850, X857 and other storage expansion boards.
∵ Programmable voltage and current reading
∵ Support RTC funciton
Suit for
Raspberry Pi 4 Model B /3 Model A+ / 3 Model B+ / 3 Model B / Raspberry Pi 2 Model B / Raspberry Pi 1 Model B+
Note
Do not apply power to your Raspberry Pi via the Micro USB socket or Type-C socket.
Do not use 18650 battery with built-in protection circuit.
Package Includes:(battery not included)
1 x X728 Power Mgr+ UPS
1 x Acrylic plate
4 x Double Pass Copper Column
4 x Short Single Pass Copper Column
4 x Long Single Pass Copper Column
8 x Black Screw