BACKUP POWER SUPPLY FOR HOME NO FURTHER A MYSTERY

When we zapped this unit with five,000 volts, it blocked all but 402.8 of them. Though that’s about twice as numerous volts as our favourite surge protectors let through, it’s even now better surge defense than we noticed from any UPS we’ve examined (in addition to the Tripp Lite AVR750U, which executed with regard to the exact).This UPS has