Get back on the road in minutes with the STANLEY BC15BS 15 amp bench battery charger with 40 amp engine start. Vehicle won't start? Battery needs maintenance? Just connect the battery charger clamps to the battery terminal and press charge. The bench battery charger automatically does the rest for optimum performance. Fully automatic high frequency charging delivers 3 stage charging, automatically switching from fast charge, to top-off, to trickle charge. This bench battery charger is ideal for motorhomes, boats, jet skis, lawn tractors, ATVs, snowmobiles, and vehicles that sit idle for months at a time. Charge and maintain any AGM, GEL, or WET automotive or marine 12V battery. It's equipped with a digital LCD screen that displays charging status and battery status with easy to understand icons. It also features a patented alternator check to evaluate the battery voltage under load to indicate if the alternator is maintaining battery level. This battery charger eliminates the need to manually input settings like battery type and size, and charges up to 40 percent faster than other conventional chargers. Need to get back on the road quickly? The STANLEY BC15BS bench battery charger also features a 40 amp engine start, which helps start your vehicle in about 90 seconds. The built-in cord, cable wrap, and clamp storage make this battery charger easy to use and store. California Energy Commission (CEC) compliant and ETL Certified for performance and safety.