BOOKOO H9 4500A 12V Jump Starter for Car Boat Lawnmower

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, reverse connection, short circuit, over charge, over current, over heat, spark resistance) and upgraded heavy-duty jumper cables kit for car, just use it to jump start your car in the cold winter confiden