More features: Some UPS units include Innovative characteristics, like Liquid crystal display shows that demonstrate battery life and load concentrations, USB ports for charging units, and perhaps program for checking electricity usage on related computers. What on earth is Pure Sine Wave? Just about anything you plug into your wall https://messiahoteva.anchor-blog.com/16624712/the-smart-trick-of-battery-ups-9ah-12v-katzuni-kz12v9-that-no-one-is-discussing