Schumacher SP1356 Battery Charger, 6/12 V Output, 2 A at 6 V, 3 A at 12 V Charge

Features and benefits fully automatic 3 amp battery charger/maintainer automatically detects 6 or 12 volt batteries. automatically maintains optimum battery charge reverse hook-up protection easy-to-read, animated display provides step-by-step instructions to properly charge your battery