The GPU 2000 is a 2000 amp battery pack used to start larger turbine engines. It has a 38 amp/hr capacity from two 13V batteries in series and can operate from -40C to +40C. Weighing 70 lbs, it is used widely by the British military and offshore operators to start Lynx helicopters, ALF 502 turboprops, and BAe 146 aircraft. The GPU 2000 has a rugged stainless steel case and high-quality components designed for reliability in harsh environments.