COWON Wise Power Uninterruptible Power Equipment CT-1 for AC1 Rated Output Voltage: DC 12 ~ 24V Output Voltage Blocked: 11.6 ~11.8V (Error+-0.15V), 23.1 ~ 23.4V (Error+-0.2V) Automotive Battery and Discharge Voltage: 11.6 ~ 11.8V (Error+-0.15V), 23.1 ~ 23.4V (Error+-0.2V) Components: Body of Smart Power Supply, Power Cable, Adhesive Tape, Fastening Bolt