Lithium-ion is a giant leap forward in UPS battery technology, and the Liebert® PSI5 Lithium-Ion line-interactive UPS is at the top of the class. It delivers up to 50% lower total cost of ownership vs. comparable VRLA battery models in a smaller, lighter package. The Liebert® PSI5 UPS offers faster recharge times, up to 10x more charge/discharge cycles, and can operate at higher temperatures with no performance degradation. And it comes with a 5-year warranty, making it a worry-free option.
