BOOKOO H9 4500A 12V Jump Starter for Car Boat Lawnmower For 10L Gas - 8L Diesel Engines - 2 USB Outputs QC 3.0 - 140W DC Output - 3 Modes LED...

POWERFUL CAR JUMP STARTER 4500A - BOOKOO H9 battery jumper starter portable can easily jump-start all 12V common vehicles,restarting for up to 10.0L gas and 8.0L diesel engines in seconds with its peak current reaching 4500amps;It performs excellently even at -4~122 cold weather. Supports 50 starts at most on a single charge, always ready to help. It is suitable for lawnmowers, motorcycles, passenger cars, trucks, and even boats, tractor, etc. ALL IN ONE CAR JUMPER - This car battery jump starter integrates 4 practical functions to meet all your needs, including 12V car battery starting, 400-lumen LED light, 20000mAh power bank with USB QC3.0 fast charging, and 12-16V/6A DC port to power your 12V~16V devices like smart phones,tablet,camera,airphone, car tire pump,car vacuum cleaner, more functional more powerful EXTRAORDINARY MULTI-PROTECTION - H9 New jumper cables with battery pack with certified 10 intelligent protections system(reverse polarity, reverse charge, over discharge,