Used 3D Printer part - MKS UPS12V V1. This is a DC uninterrupted power supply module. It can be used to provide 12V DC power to a 3D printer in the event of a power outage. This is a used part but is in good working condition. Ideal for adding backup power to your 3D printer setup. It supports seamless switching. Grab it now and ensure your prints never get interrupted!