Peak PKC0CG 2/10/55-Amp Linear Charger with Engine Starter Has 55 amp 12 volt vehicle jumpstart capability Automatically taper charges, stops charging when battery is fully charged, and checks for correct polarity (requires a minimum of 1.5 volts DC at the battery terminals) Heavy-duty transformer and rectifier for dependability, built-In circuit protection guards against short circuits Heavy duty cables and steel nickel plated clamps are corrosion resistant for better connections and rugged steel case with baked-on finish, plus a sturdy handle Connect to side or top mount battery terminals