Booster pack for home use. Instantly starts petrol and diesel cars, camper vans, vans etc. Powerful 1250A peak, 900A Cranking, yet lightweight so this is a truly portable unit. 18Ah battery can also be used to charge portable devices such as, Laptops, cameras, lights etc. Use and then recharge, the unit charges automatically when attached to the mains and can be left permanently attached to the mains supply while not in use. Clamps 300 A, Cable 16mm diameter, 0.6m long