Jump Leads - 2.5m / 200 amp - Silverhook SSJL200, Few things are more dispiriting than turning the ignition key and hearing nothing. Just when you need your car to start, it plays dead. Modern car batteries are very reliable, but leaving the lights on for a few hours will soon discharge them. Even a boot light or an interior light left on overnight can flatten a battery. And a car left standing for a month or so may discharge its battery just from the current drawn by the alarm.To start a car with a flat battery you need the S Style SSJL200, a set of good quality heavy-duty cables with beefy clamps at each end, and a friend is also a good help! Your friend must have a car with a battery in good condition, as this will aid in the success on starting your flat battery. Simply position another car near yours so that the batteries are close, but do not let the vehicles touch. Connect one end of the red jump lead to the positive (+) terminal of the boosting battery (Do not let the other e