GOOLOO - GT4000 4000A Supersafe Jump Starter with 100W Bidirectional Fast Charge & Pre-heating Tech
About this product
The GOOLOO GT4000 is a powerful yet compact 4000A lithium jump starter that can start almost all 12V vehicles, including up to 12.0L gas and 10.0L diesel engines, within seconds. It supports 100W two-way fast charging and can be fully charged in about 1.2 hours, with just 5 minutes of charging enough to start a car. It also charges laptops via the Type-C port. Featuring a clear 3.2-inch LED screen, 10-layer safety protection, long 24-month standby time, multiple USB ports, a 15V DC output, and a 400-lumen multi-mode flashlight, it works as both a jump starter and a versatile portable power bank.
Features
4000A Jump Starting
Dead battery, miles from help. GOOLOO GT4000 delivers 4000A of JUMPCORE starting power to revive 12V gas up to 12.0L and diesel up to 10.0L — including cars, SUVs, trucks, and motorcycles. BOOST mode rescues extremely low batteries. Get back on the road now.
-40°F Cold-Ready
JUMPCORE pre-heating fires up in brutal cold down to -40°F and heat up to 140°F. 10-layer SUPERSAFE protection blocks sparks, reverse polarity, and shorts. Power that delivers. Protection you can trust.
24-Month Standby
A full charge holds 24 months of standby. 1000+ charge cycles for years of service. Weighs just 2.4 lbs and fits in any glovebox. No expertise needed — safe for first-timers and multi-car households.
100W Power Hub
USB-C PD recharges 0→100% in 1.2 hrs; 5-min charge gives an emergency start. Also charges MacBooks at full speed. 150W DC + 3 USB ports power phones, tablets, and more. Engineered for real life.
Built for the Road
Commuters, adventurers, families — stay moving. 400-lumen LED (High/Strobe/SOS) handles repairs, campsites, and emergencies. Backed by JUMPCORE starting power, TOOLCORE multi-function versatility, and SUPERSAFE total protection. One compact device. Always ready. ALWAYS GOOD TO GO.
Specifications
- BrandGOOLOOModel NumberGT4000Product NameGOOLOO GT4000 4000A Supersafe Jump Starter with 100W Bidirectional Fast Charge & Pre-heating TechAmperage4000Voltage12Charger TypeDC
Reviews
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The GOOLOO GT4000 is a powerful yet compact 4000A lithium jump starter that can start almost all 12V vehicles, including up to 12.0L gas and 10.0L diesel engines, within seconds. It supports 100W two-way fast charging and can be fully charged in about 1.2 hours, with just 5 minutes of charging enough to start a car. It also charges laptops via the Type-C port. Featuring a clear 3.2-inch LED screen, 10-layer safety protection, long 24-month standby time, multiple USB ports, a 15V DC output, and a 400-lumen multi-mode flashlight, it works as both a jump starter and a versatile portable power bank.

The GOOLOO GT4000S is a powerful yet compact 4000A lithium jump starter that can start almost all 12V vehicles, including up to 12.0L gas and 10.0L diesel engines, within seconds. It supports 100W two-way fast charging and can be fully charged in about 1.2 hours, with just 5 minutes of charging enough to start a car. It also charges laptops via the Type-C port. Featuring a clear LED screen, 10-layer safety protection, long 24-month standby time, multiple USB ports, a 15V DC output, and a 400-lumen multi-mode flashlight, it works as both a jump starter and a versatile portable power bank.

This WOLFBOX JS24 car jump starter provides up to 4000A peak current and 24000mAh high capacity. It can safely start gas and diesel engines. Works on all (12 volt) cars, trucks, boats and large vehicles, meanwhile it is very portable. The JS24 battery jump starter works with a smart jumper clip to provide 10 safety protections to ensure safe use. The JS24 car jump starter power supply contains an LED screen that clearly displays all status indicators of the portable car jump starter power supply. You can easily identify the current status of your emergency power source and provide seamless access to all functions. This JS24 car jumper is also equipped with 1*65W Type-C input/output port and 1*QC 3.0 USB-A port, which can save 50 when charging your mobile phone, tablet, Kindle or digital camera 50% time. Tips:A 65W charging plug needs to be purchased separately.

WOLFBOX 4000A Jump Starter with 160PSI Air Compressor, 12V Car Battery Booster, 65W Fast Charge, 24000mAh Jump Starter Portable Tire Inflator, LED Display for 10L Gas & 6L Diesel Engines, LED Light, Jumpe Cables.Power through emergencies with the WOLFBOX 4000A Battery Jump Starter, your ultimate roadside companion. This powerhouse delivers a 4,000A peak current to auto jump starter all 12V vehicles (including 10L gas & 6L diesel engines) from cars and trucks to boats and snowmobiles. The massive 24,000mAh battery doubles as a 65W fast-charging power bank (USB-C/USB-A/DC outputs) to fuel phones, tablets, and devices.(Not include a 65W charging adapter.)
| Pros for GOOLOO - GT4000 4000A Supersafe Jump Starter with 100W Bidirectional Fast Charge & Pre-heating Tech | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Overall Performance, Ease of Use, Charging Speed, Battery Life, Size | Build Quality, Portability, Air Compressor Accuracy |
Specs
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