Free Express Shipping! APC Back-UPS 850VA with 2 USB Charging Ports (120V) Output: 850VA / 450W, Input: 120 VAC @ 50/60 Hz ±3 Hz, 9 x Total NEMA 5-15R Outlets, 6 x Battery Backup & Surge Outlets, 3 x Surge-Only Outlets, 2 x USB Charge Ports, NEMA 5-15P...