Bluecol's Car to Car Jump Start Charger is an innovative, compact and simple to use method to jump start your vehicle. There is no need to open the bonnet or use jump leads. Simply connect to the 12v socket in both the vehicle with the good battery and the vehicle to be jump started and switch the charger on. Directions for use: Connect the vehicle with the flat battery to the donor vehicle via the 12v sockets. When both vehicles are connected, turn the switch to the on position. Typically, the car will be ready to start within 15 minutes or as soon as the green LED lights up. Caution: Do not crank the engine for more than 6 seconds at a time when starting the recipients’ vehicle. Excessive cranking could damage the vehicles electrical system. If the vehicle does not start, allow 5-10 minutes additional charge time before making another attempt to start the recipients’ vehicle. Bluecol Car To Car Jumpstarter Charger. CAR SPARES DIRECT BluecolCar to CarJumpstartCharger Jump Start Vehicles Without Opening The Bonnet Jump Leads Not Required 6 Metres Of Connecting Cable With Digital Meter Starts Vehicles In Minutes The innovative Bluecol car to car charger is compact and simple to use. With no needto open the bonnet or use jump leads, the Bluecol car to car charger can jump start anyvehicle with a flat battery. Simply connect to cigarette lighter (12v) socket in both the vehicles with the good battery and the vehicle to be jump started and switch the charger on. Once the display shows 20% you are ready to go