Schumacher Chargers SC10 55 Amp Engine Starter Fully-Automatic Battery Charger. Fully Automatic, Faster, Safer, Smarter, Heavy Duty Metal Case, Auto Voltage Detection, LED indicators, Start/Stop Button Interface, 10A Boost, 6<>2 A Charge, 6V/12V. Everyday Dependable Performance. Energy Efficient, Microprocessor Controlled. Listing item as Pre-owned but looks very lightly used, in great condition with no signs of wear of the actual device even though the box does not look new. Box contains the device/Schumacher 55A battery charger/engine starter power cable, jump start cable and manual.