Geekworm for Raspberry Pi UPS, X728 (Max 5.1V 6A) UPS & Power Management Board with AC Power Loss Detection|Auto Power On|Safe Shutdown|Battery Capacity Reading|Low Battery Auto Shutdown|Buzzer

Function: X728 provides 5.1V 6000mA Power Backup, intelligent and safe power management, safe shutdown, auto power-on, full poweroff from software,Battery capacity reading, Low battery automatic shutdown, Buzzer alarm, RTC
User Manual: Google Geekworm Wiki search X728 for manual; Matching metal case for X728 and Pi 4 is X728-C1
How to Power and Specifications: Power supply via Type-C socket : 5Vdc ±5%, 3A OR Via DC power jack : 5Vdc ±5%, 4A; UPS output : 5.1V ±5% Max 6A; UPS charging current: 2.3~3.2A; Terminal Battery Voltage : 4.24V; Recharge Threshold : 4.1V
Important Note: 1. Do not apply power to your RPi via the Micro USB or USB Type-C socket. 2. Do not use battery with built-in protection circuit. 3. Please make sure the polarity of battery is "+" to "+" and "-" to "-" and match with the "+" "-" mark on battery holder
Application: X728 reserves the 40-pin header to stack with other Raspberry Pi accessory boards for enhanced applications. The X728 can also be used with the X825/X828/X829 (2.5" HDD/SSD Shield) and X857/X862/X872 (MSATA/M.2 SSD shield) for safe data backup
Important note: 1. the script must be installed first for the product to work properly 2. Compatible with Raspberry Pi 5/4B/3B+/3B