Frequently Bought Together
GT4000 BATTERY JUMP STARTER BOOST A CAR AT -40°C
By design, GT4000 is water-resistant and dust-resistant as all port sealed. By function, it can be used in an environment from -40°C to 60°C. High battery performance to keep you on the go.
START DEAD CAR QUICKLY
GT4000 car jump start pack can boost 12 V vehicles up to 12.0 L gasoline and 10.0 L diesel engines quickly and safely. Say goodbye to dead car.
WIDELY USED IN ALL YOUR 12V VEHICLES
All GOOLOO jump starters are designed with a wide compatibility range that can jump-start all your 12V vehicles easily and conveniently, from cars and motorcycles to RVs, ATVs, SUVs, tractors and boats. With 3-step easy steps, you'll be ready to start your engines in no time.
INTELLIGENT PRE-HEATING TECH
An advanced technology makes it possible to start battery under the environment of -40 °C without the wait. No more desperation during the freezing weather.
3-MIN SUPER-FAST CHARGE TO BOOST A CAR
100W Speed Charging charges from 0% to 20% in 3 minutes and 100% in 1.2 hours with quick speed wall charger(need to buy separately).
100W Speed Charging charges from 0% to 100% in 45mins with quick speed car charger.
3.2" INFORMATIVE LED SCREEN GIVE ALL STATUS AT A GLANCE
3.2'' LCD screen shows you the battery level, specific operational status, and some error reminders. See all the information at a glance.
PORTABLE CHARGER TO MULTIPLE DEVICES
With 2 USB ports and 1 type-c port( 100 W Max input/ out), it can also work as a 24000 mAh portable power pack to charge all your devices, like your phone, iPad and even Macbook.
Press the POWER and BOOST button simultaneously for 2-3 s to turn on the low current mode for charging devices that need light charging current like headphones, smartwatches, etc.
Note:Based on internal testing: Performance will vary based on the charging devices and charging cables. To reach 100W, the charging device must support PD 100 Max input. Most phones, like Samsung and Huawei, have their proprietary protocol that may not be able to reach 100W when using GT4000. For best results, please use the provided USB C - USB C cable.
400 LUMEN LED EMERGENCY LIGHT
400 lumen LED light to brighten your world. There are 3 modes of LED light (flashlight, Strobe, SOS) if you press lightly. Examine your car engine or deliver an SOS signal during emergencies.
15 V 10 A DC OUTPUT POWER UP THE TOUGHEST BATTERIES
Connect the 12 V devices that need to be powered by a cigarette lighter socket(the cigarette lighter socket adapter is included). It can output 150 W Max.
8 SAFETY PROTECTION ENSURE YOUR SAFETY
Super-safe 8 Security Protection - including over-current protection, overload protection, over-voltage protection, and overcharge protection, making it safe for anyone to use.
30S GET RID OF THE FOLLOWING DILEMMAS
Not confined to the traditional way of fixing up a dear car again, having this battery jump starter on the go is the most advanced and effective way for you.
HOW TO JUMP START
GOOLOO car power pack starts a car in only three steps. You can simply clamp-on, connect to the car battery and start your car while your car battery is died from aging or weather. Jumping start a car can be so easy.