The GOOLOO GT4000S The GT4000 car jump starter is a powerful portable jump starter that quickly and reliably revives dead car batteries. Thanks to its powerful 100W fast-charging function, it provides rapid power to both the jump starter itself and compatible devices, minimizing downtime. Its compact and portable design makes it an essential companion on the go, delivering emergency power when you need it most. Whether you're struggling with a dead battery or need a fast-charging solution while traveling, the GT4000S It offers efficiency and comfort in a robust package.

The GOOLOO GT4000S The Autostarter is your ultimate roadside savior. It delivers an incredible 4000 A peak current, jump-starting even the toughest vehicles. Engineered for power and reliability, it effortlessly revives 12-liter gasoline or 10-liter diesel engines – perfect for trucks, SUVs, RVs, and heavy equipment. Never wait for roadside assistance or beg for jumper cables again!

Compact and powerful: With this portable jump starter, you'll never be stranded. Simply connect, crank, and drive off – dead batteries don't stand a chance. Back on the road in seconds!

GOOLOO GT4000S Autostarter revolutionizes roadside emergencies with its 100W two-way fast charging system. This powerhouse not only jump-starts your vehicle in seconds, but recharges itself at blazing speeds, ready for another start in just 5 minutes after recharging.

Never let a weak battery hold you back again! The GOOLOO GT4000 portable car chargerS It also serves as a powerful portable charger, delivering up to 100W fast charging so your MacBook runs at full speed – whether you're on the go, on the construction site or working from home.

The compact jump-start booster GOOLOO GT4000S It features ten advanced safety functions for worry-free operation under all conditions. AI-powered software continuously monitors current flow and battery status in real time, while multiple physical protection mechanisms provide comprehensive safeguards: reverse polarity protection prevents damage from incorrect connections, overcharge/overvoltage protection ensures optimal charging conditions, and spark-proof technology prevents dangerous sparking during operation. Additional protection features include short-circuit protection in case of sudden electrical disturbances, extreme temperature protection, overcurrent/overload protection against voltage spikes, and reverse charge protection to prevent energy backflow. This military-grade safety system guarantees reliable and risk-free performance when jump-starting vehicles and charging devices.

Lightning-fast charging – ready when you are!

Don't waste hours waiting – the GOOLOO GT4000SThe best portable jump starter battery fully charges in just 1.2 hours thanks to its advanced fast-charging technology. This means less downtime and more power when you need it most.

The GOOLOO GT4000 automatic jump-start boosterS It features a versatile 3-mode LED light for emergencies and outdoor adventures. Switch between spotlight mode for powerful illumination, continuous light mode for constant lighting when making repairs or camping, and SOS flash mode for emergency signals.

The most powerful jump starter GOOLOO GT4000S Combining enormous power capacity with versatile charging options, it features a 100W USB-C port for ultra-fast bidirectional charging (perfect for laptops), an 18W USB-A port for fast charging of smartphones/tablets, and a powerful 15V/10A DC output for larger devices – making it an all-in-one power supply solution that will keep both your vehicle and electronics running, whether you're in an emergency or simply need reliable power on the go.

The GOOLOO GT4000S This high-performance jump-start booster for semi-trucks offers an exceptional standby time of 24 months. The integrated intelligent energy management system ensures optimal charge levels when not in use, guaranteeing reliable emergency power when you need it most. This extended standby capability makes it the ideal companion for long-term vehicle safety, always ready for action.

The GOOLOO GT4000S This high-performance jump starter features a robust IP65 design, providing comprehensive protection against rain, dust, and harsh weather conditions. Its water- and dustproof construction ensures reliable performance in any weather, whether it's a sudden downpour or dusty terrain. No need to worry about splashes or dirt – your jump starter will work even when you need it most. Built to last.

The GOOLOO GT4000S This car battery jump starter makes starting your vehicle effortless thanks to its simple 2-step process: simply connect the clamps to your battery and start the engine. With a powerful 4000A peak current and integrated safety features, you'll be back on the road in seconds – no complicated procedures or waiting. This reliable, portable jump starter works with cars, trucks, motorcycles, and boats (up to 10.0L gasoline/8.0L diesel engines), making it the perfect emergency power solution for any driver.

The GOOLOO GT4000 jump-start kitS For cars, it contains everything you need for emergency jump-starting and power supply on the go: GT4000 portable jump starterS, High-performance jump-start cables, 100W fast car charger, USB to Type-C cable, Type-C to Type-C cable, cigarette lighter adapter, storage bag and user manual – a complete power supply solution for vehicles and devices.

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