Rated at 1,000 amps – up to 20 jump starts on a single charge. An ultra-safe and mistake-proof design with spark-proof technology and reverse polarity protection, which allows it to safely connect to any battery. Designed for both gas engines up to 6 Liters and diesel engines up to 3 Liters for cars, boats, lawn mowers, and more. Dimensions: 3.16″ H x 7.72″ W x 1.71″ D.