Schumacher Electric is the brand trusted by experienced mechanics. They appreciate the wide range of features included in Schumacher’s line of battery chargers and know they can count on their Schumacher charger to reliably keep all their batteries in top condition. Whether you’re caring for a power sport battery or need to ensure your classic car’s battery is in top condition, the Schumacher 10-Amp 12-Volt Fully Automatic Automotive Battery Charger and Maintainer (SC1339) is a smart choice. It features a 10-amp charge mode, plus a 2-amp maintain mode. Fully automatic, the SC1339 features multi-stage charging, float mode monitoring, and reverse hook-up protection. Other features include LED indicators, push-button controls, and color-coded clamps.