Marathon Norco’s Aircraft Batteries – reliable Nickel-cadmium Micro Maintenance (M3) & SuperPower Batteries for many fixed-wing aircraft, such as ATSP-280, GP-180, PTSP-400, TSP-408L-1

Marathon Norco’s Helicopter Batteries – reliable Nickel-cadmium Micro Maintenance (M3) & SuperPower Batteries for many helicopter, such as TSP-283, SP-1700, M3X-33-4, M3-44-27