Associated Equipment offers the micro-processor controlled Smart Charger, Battery Analyzer and Power Supply, No. 9640, with dead battery override and 130-amp boost rating. Electrical Stability System (ESS) technology turns the No. 9640 into a stable power supply for extended service procedures and re-flashes, with a nominal 13.7V DC output. Users can program this unit for deep discharge recovery of flooded batteries, and have dead battery override control. Patented diagnostics indicate a weak or defective battery. Designed for 12V AGM, gel cell, sealed and standard flooded batteries including spiral cell, Orbital or Optima batteries. Made in the U.S.A.