BATTERY CHARACTERISTICS VRLA vs Lithium-ion Lithium-ion batteries are emerging as an alternative to VRLA BENEFITS (valve-regulated lead-acid) technologies in the data center. Vertiv has significant experience with The below chart offers a brief comparison. lithium-ion batteries. KEY CHARACTERISTIC LEAD-ACID (VRLA) LITHIUM-ION* yyTesting since 2011 Energy Density Moderate High Lifespan Medium Long (approx. 4X) yy Installation success Weight High Low yy Compatible with many Liebert® Footprint required Large Small-Moderate UPS systems Recharge Moderate Fast Maintenance cost Moderate Low Cooling required Moderate Low Longer life Battery Monitoring Optional Optional Battery Management Optional Built-in x4 Transport concerns Flexible Ground VRLA LIB Disposal/Recycle Widespread Disposable, not yet recyclable First cost Moderate High Saves space * Batteries perform differently depending on their chemistry. This chart summarizes 70% various types. Note our preferences for critical use (gray). Data Center Approved Cell Phones VRLA LIB 280 Weighs less 240 60% 10 LB 4 LB 200 VRLA LIB 160 Wh/kg 120 Saves cooling cost 70% 80 kWh kWh 40 VRLA LIB 0 Lead Acid NiCd NiMH LTO LFP LMO NMC LCO NCA Chemistry Key: LTO (Lithium Titanate), LFP (Lithium Iron Phosphate), LMO (Lithium Manganese Oxide), NMC (Lithium Nickel Manganese Cobalt Oxide), LCO (Lithium Cobalt Oxide), NCA (Lithium Nickel Cobalt Aluminum Oxide). Chart data is copyrighted by BatteryUniversity.com and provided with permission. VertivCo.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2017 Vertiv Co. All rights reserved. Vertiv, the Vertiv logo and Vertiv Liebert DSE are trademarks or registered trademarks of Vertiv Co. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness herein, Vertiv Co. assumes no responsibility, and disclaims all liability, for damages resulting from use of this information or for any errors or omissions. Specifications are subject to change without notice. SL-70120 (R12/17) 1.