[Pre Order - allow extra time] APC Battery Back-UPS Pro BX850M Output: 850 VA / 510W, Input: 120 VAC @ 60 Hz ± 3 Hz, 8 x Total NEMA5-15R Outlets, 4 x Battery Backup & Surge Outlets, 4 x Surge-Only Outlets, NEMA5-15 Input Connection (6' Cord), 1103...