The DEWALT DXAEC210 professional grade battery charger and maintainer will get you on the road in minutes when your vehicle won't start or if your battery needs maintenance. Just connect the powder coated metal battery charger clamps to the battery terminal and press charge. The battery charger automatically does the rest for optimum performance, eliminating the need to manually input settings like battery type and size. Fully automatic, high frequency charging delivers 70 continuous amps and 210 amp engine start with 3 stage charging, automatically switching from fast charge, to top-off, to shut off where it acts as a battery maintainer. Built-in circuit protection guards against overcharging, reverse polarity, or short circuit and is ETL certified for performance and safety. When you need a quick start, the engine start button delivers 1512 Watts to the battery, starting most vehicles in mere seconds. This 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 12 V battery. It's equipped with a digital LCD screen that displays diagnostic information with easy to understand icons. It also features an alternator check function, battery recondition function, a 3.1 Amp USB outlet, and a 120 Volt AC outlet; allows you to power another device requiring an outlet while the battery charger is plugged in. The DEWALT DXAEC210 professional grade battery charger and maintainer is equipped with a built-in 6 foot cord, cable wrap, clamp storage, rubber tires, and telescoping handle making this battery charger easy to use, roll, and store; includes a limited 1 year manufacturer warranty.