The DC18SD charger is compatible with 7.2V to 18V batteries and provides efficient charging. It has been stored in a warehouse for several years after purchase. Although unused, it has been test-run to confirm operation. There may be small scratches. Please refrain from purchasing if you are concerned about minor imperfections. - Model: DC18SD - Input Voltage: AC100V 50-60Hz 125VA - Output Voltage: DC7.2-18V 2.6A - Charger Type: Charger - Cable Length: Approximately 1.5m Thank you for viewing.