Heavy Duty 12V Battery 2AMP/6AMP Dual Charger! Input of 110V AC/60Hz/1.3 AMPs, Output of 6 AMP and 2 AMP at 12V DC. 2 AMP setting for motorcycles and small vehicle charging, and 6 AMP setting for Auto, RVs and commercial applications. The charging level/battery condition gauge gives you all the information necessary to know how much juice is left in the battery. The handy over-charging protection feature makes sure that you do not damage the battery by charging for too long.