Description: 【Start Dead Batteries】Safely jump start a dead battery in seconds with this compact, yet powerful, 10000mAhportable lithium car battery booster jump starter pack .With a peak current of400A, the car jump starter can start 5.0L gasoline engines or 4.0L diesel engines in harsh temperatures (-20°C to 60°C) .Start the engine successfully in 3 steps, even beginners who are not familiar with cars can start the engine easily. .
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