The Powervamp FS17 is housed in a specially toughened shatterproof impact resistant polymer case. It is a compact, portable battery pack designed for starting petrol cars (up to 5.0 litres) and diesel cars (up to 1.4 litres) ideal for smaller dealerships, bodyshops & workshops. The pack has surge protection, reverse polarity warning, LED power status lights. Specification:- 1700 Peak Amps