The KDS-600 AC Back-up Battery provides backup power for external motors up to 5.2A through its 220V AC inverter. It can power gate motors for approximately 8 minutes on a full charge and recharges in 12 hours when plugged into a 190-250V AC mains supply. The backup battery uses a 433MHz remote control with a range of 50 meters and can store codes from up to 24 remote controls.