WHOLESALE 12 VOLT FLOAT CHARGER Prevent battery self discharge while maintaining the life of rechargeable 12 volt batteries. Maintain batteries rated 5 to 125 AMP hours. Provides 12.2 vdc maximum output. Avoid jumpstarts on seldom used vehicles by keeping the battery fully charged. Automatic safety shutoff. Copper battery clamps. Maintain the charge of your 12 volt battery without overcharging. 90 inch cord easily reaches outlets and batteries.