1500 VA · 120 VAC · 1U Online Lithium vs Line-Interactive Rack UPS J90 vs APC SMT1500RM1UC The Xtreme Power J90 is a 1U online double-conversion lithium UPS; the APC SMT1500RM1UC is a 1U line-interactive VRLA UPS. Both are 1500 VA, but the J90 delivers about 35% more usable real power (1350 W vs 1000 […]
