Virtually maintenance-free NexSys Batteries from EnerSys never require watering, reducing labor costs and eliminating the risk of spills. Featuring Thin Plate Pure Lead (TPPL) technology, these Absorbed Glass Mat (AGM) batteries withstand vibration and maintain capacity in extreme temperatures. NexSys batteries also give ground support crews the flexibility of opportunity charging between flights. Learn more at www.enersys.com.