Acme is the established leader in emergency backup batteries.  Our Airborne Modular Power Supply (AMPS) family of products leverage the reduced weight of sealed nickel-cadmium cells coupled with an internal charger and controller. Acme emergency backup power solutions are typically selected for applications where duty cycle and weight are flight-critical for powering Inertial Reference System (IRS) and Inertial Navigation System (INS). Acme has produced in excess of 10,000 units that are currently flying on a variety of commercial and military aircraft/rotorcraft.