1, first turn off the navigation, air regulation and other high power consumption equipment, and then clean the dust of the car power connector, start the power will show more than 3 grids;
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2. Clamp the red clip on the emergency starting power supply to the positive terminal of the car power supply, and the black clip to the negative terminal of the car power supply;
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3, start the car within 30 seconds, immediately pull out the battery clip, take off the emergency start power;
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4, after starting, charge the battery at a speed of 1500 RPM.