UPS to save print jobs in case of power outage

BTT UPS board: Selling BTT UPS board, 24V version. Brand new, still in original packaging. In case of power failure, the 3D printer remains powered for several minutes, and receives a signal to move to the pause position, saving the print job in case of power outage. Carefully packaged for shipping. Reason for sale: I am currently using a standard UPS connected to mains power. Compatible with Ender 3.