APC Back-UPS Pro 900 | Line-Interactive UPS

The APC Back-UPS Pro 900 is a compact uninterruptible power supply intended for desktop PCs, small network gear, and work-from-home setups. It offers battery-backed outlets to keep systems running through brief power cuts and to give time for safe shutdowns during longer outages. The front display shows load level and estimated runtime, which helps plan what to plug in.