28V UPS Power Supply Rechargeable lithium-ion battery system 28V battery system ideal for applications requiring 70°C operation Saft’s UPS power supply consists of high power VL 34P cells packaged in 2p8s configuration. It is suited for applications with high operating temperature requirements such as defense and naval applications. Saft supplies complete energy storage systems customized as needed to meet customer specifications. Benefits ■■ S9310-AQ-SAF-010 NAVSEA lithiumion battery safety approval ■■ 70°C operation for 2 years ■■ High power ■■ No ventilation required ■■ Low life cycle costs ■■ Reliable and safe Key features ■■ Electronics: ■■ Over-charge protection ■■ Over-discharge protection ■■ Over-current protection ■■ RS 485 communication ■■ Hardware: ■■ Stainless steel case ■■ Burst protection mechanism ■■ 450 A circuit breaker ■■ Charge controller: ■■ Current limiting at 4 A Typical applications ■■ Defense ■■ Applications requiring high power and high energy ■■ Uninteruptible equipment ■■ High temperature applications Electrical characteristics Nominal voltage at 50% SOC Charge limit Discharge limit Maximum continuous current at 25°C Continuous power at 50% SOC Energy Specific energy Capacity 25°C 28 V 32.8 V 21 V 450 A 13.1 kW 950 Wh 28.3 Wh/kg 34 Ah Impedance at 5 sec (250 A discharge) 8 mΩ Mechanical characteristics Weight Height Width Length 33.6 kg 8.0 in 9.8 in 24.5 in Operating conditions Operating temperature -30°C to +70°C Storage and transportation temperature -40°C to +70°C Saft 107 Beaver Ct. Cockeysville, MD 21030 Tel.: +1 410-771-3200 Fax: +1 410-771-1144 Email: [email protected] www.saftbatteries.com Doc N° 54082-2-0113 Edition: January 2013 Information in this document is subject to change without notice and becomes contractual only after written confirmation by Saft. Published by the Communications Department Photo credit: Saft