This is a 12 volt 1000 MAH battery charger. A must have for anyone who own a 12V battery. Charger comes with alligator clips to easily charge the battery. No need to take the battery out again to charge it. This charger can be use to charge any 12 volt sealed or flooded lead acid battery. This is an automatic cut off charger. It has a power on light and charge complete light. Once your battery is fully charged the charger cuts off. There is no chance that your battery can be over charged. Has a 1 amp maximum charge rate.