Car battery charger 12v 6000mAh high power jump starter

Basic Info.Part NO.: Q7Color :silver, black ,red ,blue(four colors to choose)How to use the power ?Step1:  Make sure the battery cpacity of the jump starter is above 50%(at least 3 indicator lights stay ON).Step2: Connect the jump start cable to the drained battery of the vehicle;connect the red clamp to th positive"+"terminal and black clamp to the negative "-" terminal.Step3: Connect the jump start calbl to the proper socket of the jump starter.Step4:Now attempt to crank start the engine .If the engine does not statr ,wait at least 10 seconds     before trying again.Step5: Disconnect the jum
Car battery charger 12v 6000mAh high power jump starter