TechniPower Systems Inc, formerly Solomon Technologies, Inc, was engaged in the development, engineering, manufacture, license, and sale of electric power drive systems. The company went bankrupt in Demember 2009, three months after it changed its name to Technipower Systems. The company's systems incorporated the patented "Electric Wheel" and related proprietary technologies. The company offered two lines of propulsion systems, "ST Electric Wheel" series or STEW that operated with a planetary gear-set; and "ST Electric Motor" series or STEM that operated without a planetary gear-set. Its systems consisted of the motor and controller, the safety power management distribution unit, the battery bank and battery charger, an e-meter, ammeter, keyswitch, DC breakers, and a throttle control. It also offered optional generators for hybrid charging configurations, optional inverters for AC applications, and a DC to DC charger for maintaining 12v DC house power
