Practical Power Source: Extremely thin lithium car battery; Designed to revive engines; Easy to travel with; and Can recharge 2 USB devices at once. Foolproof Design: Prevents sparks even if clamps are touched together; Reverse polarity protection safeguards the car battery and charger even if clamps are reversed; Automatic Power Cut Function: If the jump starter is connected to the vehicle for 45 seconds without successfully starting the engine, the jump starter will automatically go into sleep mode to avoid reverse charging; Overload & Thermal Protection: If voltage or temperature exceeds parameters, the jump starter will be automatically disengaged and automatically reset; and Output Short Circuit Protection: In case of any short circuit, the red light will be visible and the jump starter will automatically disengage.
Shipping: $5
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