Schumacher Electric 6A Car Battery Charger and 100A Engine Starter, Maintainer, 20A Boost, 12V Sport, Auto, and Marine Batteries, SC1341

4-in-1 Device - Starts, charges, maintains, and reconditions batteries Immediate Charging Power - Delivers 100-amp engine start, 10-amp to 20-amp boost charge, and 6-amp to 2-amp charging and maintaining Smart Trickle Charge - Maintains 12V batteries safely over time without overcharging Wide Compatibility - Works with gas and diesel vehicles, 12V batteries, including standard, AGM, gel, and deep-cycle battery types Battery Reconditioning - Helps extend battery life and improve performance with advanced desulfation mode Reverse Polarity Protection - Prevents damage to your battery and vehicle if clamps are accidentally reversed Works with Most Vehicles - Ideal automotive battery charger for motorcycle, ATV, car, truck, SUV, and marine batteries AC Powered - This unit, with 6-foot power cord and booster cables, must be plugged in during use Multi-Stage Charging - Uses an advanced charging algorithm to maximize battery health and lifespan Complete Package - Includes (1) SC1341 Fully Automatic Battery Charger and Engine Starter, (1) user manual