Combination unit capable of both charging batteries and providing boost power to help start vehicles with flat batteries. Features easy-to-read ammeter and illuminated power switch. Dual output (12 and 24V) and circuitry is protected by a panel mounted fuse. Suitable for fleet operators running cars and van derivatives. Built-in polarity protection. Features: • Max. Charge: 21A(14A EN) • Max. Start: 140A(110A EN) • 12/24V Output • Battery Range: 15-240Ah • Combination units capable of both charging batteries and providing boost power to help start vehicles with flat batteries • Models feature easy-to-read ammeters and illuminated power switches • Circuitry is protected by a panel mounted fuse • Suitable for fleet operators running cars and van derivatives Specifications: Guarantee:1 Year Model Number: SUPERBOOST140