Professional 4000A power pack, suitable for 12V and 24V batteries. Can jump start a 12V petrol engine up to 12 litres, a 12V diesel engine up to 9 litres and a 24V diesel engine up to 7 litres. Ideal for depots and garages that need to start larger petrol and diesel cars and vans, including commercial vehicles. Unit contains a HD SLA battery, with AGM technology to provide powerful starting performance. The RPPS4000 has a multi-function LED display, which shows battery voltage and alternator. High cranking ability, low shelf-discharge and long service life of up to eight years. SafeGuard protect batteries against incorrect connection, and includes reverse polarity warning buzzer and indication. Rugged metal casing is tough enough for the workshop, and comes with 2m of cable with fully insulated clips. Includes trolley to make moving round the workshop easier.