The APC Back-UPS is a line-interactive uninterruptible power supply with a maximum power output of 300 W. It is compatible with a range of brands, offering protection for computers, tablets, and networking devices. The device provides a sine wave output ranging from 140 V to 300 V, ensuring stable and reliable power supply during outages. Additionally, the manufacturer warranty covers the product for a duration of 1 year, giving customers peace of mind regarding its quality and performance.