There can be times when you have electric batteries that need to be jump started, and that is when you will be happy that you have the Clore Automotive JNC660 1700 Peak amp 12-Volt Jump Starter. It just weighs about 18 pounds, but produces 1700 Peak Amps, along with 425 Cranking Amps of starting power. Venues similar to marinas, fleet services, auto auctions, auto dealerships and automotive services need some type of starting power. The JNC660 is the one to use simply because many professionals from all over the world use it for their work.