RAPID CHARGING: A 15A rapid charge mode quickly charges car, truck, and other large batteries 3A CHARGE/MAINTAIN RATE: The 3A mode lets you charge motorcycles, lawn tractors, and other small batteries and maintains larger batteries in peak condition FULLY AUTOMATIC: With fully automatic operation, the SC1359 features multi-stage charging, auto voltage detection, and float mode monitoring BATTERY TYPES: The SC1359 is compatible with 6V and 12V standard, AGM, gel, and deep-cycle batteries EASY-TO-READ DISPLAY: A digital display, LED indicators, and push-button controls make the charger simple to operate and monitor REVERSE HOOK-UP PROTECTION: Integrated reverse hook-up protection prevents damage to the charger or battery when the clamps are connected incorrectly NON-SPARKING CLAMPS: The color-coded, non-sparking clamps are easy and safe to use, even for novices IN THE BOX: Schumacher SC1359 15A 6V/12V Fully Automatic Battery Charger and Maintainer and user manual