4 In 1 Car Jump Starter Tire Air Pump 600A 8800mAh Emergency Engine 150PSI Compressor Booster Starting Inflator Motor Bicycle

4 in 1 Smart 12V Car Emergency Engine Starter with Tire Inflator1. Start the car: This power supply can be used as an emergency start of the car (when the battery power is greater than 30%);2. Air pump function: integrate an air pump, which can be used as tires, balls, swimming rings and other equipment to inflate;3. USB output: can charge 5V digital products;4. Lighting function: a 0.5W white LED is integrated, which can be used as outdoor lighting;5. Tire pressure detector: integrates a digital air pressure gauge, which can be used as air pressure detection with an accuracy of ±0.1Kg/cm2;6. Large capacity: built-in 3.7V/8800mAh high-capacity and high-safety battery pack;7. Ultra-high efficiency: 5V/2.1A charging efficiency>70%; 8. Durable: the built-in battery can be charged and discharged for more than 500 times;9. Safe and reliable: There is a short circuit protection design on the PCBA; the built-in lithium battery protection chip can effectively prevent the battery from overch