Get back on the road in minutes with the Black + Decker BC15BD 15 Amp car battery charger. Vehicle won't start? Battery needs maintenance? Just connect the automotive battery charger clamps to the battery terminal and press charge. The 12V battery charger automatically does the rest for optimum performance. With fast, high frequency technology, it delivers 3-stage charging - automatically switching from fast charge, to top-off, to trickle charge. This battery charger is also perfect for motor homes, jet skis, lawn tractors, generators or vehicles that sit idle for months at a time. One of the most advanced chargers on the market, the Black & Decker Bench Charger features a digital LCD screen that displays charging status and battery status with easy to understand icons. It also includes a patented alternator check to evaluate the battery voltage under load to indicate if the alternator is maintaining battery level. Even if the cables are connected to the wrong terminal, the screen alerts you. While many other battery chargers require you to select various settings like battery type and size, the Black + Decker BC15BD 12V battery charger is fully automatic and chargers up to 40 percent faster than other conventional chargers. Need to get back on the road quickly. The charger also features a patented Engine Start Timer to boost your vehicle battery in approximately 8 minutes. The built-in cord and cable wrap and clamp storage makes the charger easy to use and store.