-No batteries

-Actually Untested, I do assume it works because many other units from supplier do work just fine.

The Tripp Lite SMART1500SLT SmartPro UPS is a reliable and efficient backup power supply that can handle up to 900W of maximum power. With a voltage compatibility of 1500VA and a 120V AC input, it is suitable for both desktop and freestanding applications. The black color and sleek design make it a stylish addition to any workspace. This Tripp Lite UPS features smart technology that can detect a wide range of devices and provide them with power protection. It also has a built-in battery that can provide backup power for a decent amount of time.