INDICATORS ON BACKUP POWER INSTALLATION YOU SHOULD KNOW

After we zapped this unit with five,000 volts, it blocked all but 402.8 of these. Even though that’s about 2 times as numerous volts as our favourite surge protectors let as a result of, it’s nevertheless better surge defense than we saw from any UPS we’ve examined (other than the Tripp Lite AVR750U, which done concerning the similar).Battery