These high quality booster cables (jump leads) are designed for use on vehicles with up to 2.5Litre petrol engines. Surge protection eliminates the possibility of damage to vehicle on board computers when being jump started. The 3metre cable length means vehicles do not need to be bumper to bumper when jump starting. Engine Capacity: 2.5L (petrol)Length: 3mCable size: 18mm sqSuitable for 12 and 24V batteriesCopper coated aluminium cablesDurable PVC insulation, resistant to oil, grease and battery acidMax boost current 220V.