Vertiv Liebert PSI5 Lithium-Ion UPS
Lithium batteries are more efficient when it comes to charging and durability. The Liebert PSI5 Lithium-Ion UPS units last twice as long, has faster recharge time, greater power density, and can endure up to 10x more discharge cycles. Compared to traditional valve-regulated-lead-acid batteries lithium-ion batteries have double the life span of up to 10 years.