It has self diagnostics that runs on intervals to keep the battery capacity meter accurate and a really nice Plug setup feature (see below) plus adjustable voltage trip points along with a slew of other menu options.2) I can assign different plugs on the rear of the UPS to have different priority for reserve power.

LCD display is a nice feature.

They have a long life and excellent reporting feature set.

That way I can tailor it to suit the sensitivity of the equipment I have connected, this is a really useful feature if you also have backup generators that may produce voltage slightly outside normal specifications

Great feature.

Some really cool features of the SMT1500 that I like are:1