Fully Automatic Microprocessor Controlled Unique automatic battery charger maintains both 6 and 12 volt batteries keeping them at full charge using float-mode monitoring. Perfect for charging small batteries. Great for maintaining small and large batteries kept in storage – motorcycles, classic cars, RVs, boats • 1 amp charger and maintainer • LEDs indicate: Charging, Charged and Power • Automatically switches from Full Charge to Float-Mode Monitoring • 20 Ft. Quick-Disconnect Harness – Snap either connector into place in seconds – Use the 50 amp clamps, 12 volt accessory plug or permanently attach the ring connectors…great for hard-to-reach motorcycle batteries • Reverse-hookup protection • Auto Voltage Detection – the charger automatically determines whether the connected battery is a 6 Volt battery or a 12 Volt battery