If the battery in the car has been discharged then it is possible to "borrow" current from either a separate battery or a battery from another car. Always check that the clamps on the jumper cables are firmly secured so that sparks are not generated.
Facts and advantages
Strong clamps with fully insulated handles.
Flexible copper cable 3.5 m, 25 mm².
Approved for all current engine alternatives.
Supplied in a plastic bag with carry handle and instructions.
2.3 kg (5.1 lbs)
Not suitable for Plug-in hybrid/Twin Engine.
Do not touch the connections during a starting attempt. There is a risk that sparks could be generated.