Operating Instruction: br br To start auto, please confirm that electricity remained is about 40. Clamp the red clip with positive “+” and black clip with negative “-”. Then connect the connecting wire of storage battery with start power supply. Turn auto start switch to START position. After that, pull off plug from start power supply and take down storage battery clip. br br br br Specifications: br br Capacity: 8000mAh br Output voltage at auto start end: 12V br Dimension: 134.7*77.5*32.6mm br USB output: 5V 2.