• GOOLOO GT4000S: 4000A peak power for 12L gas/10L diesel engines.
• 100W Fast Charging: Fully charges in 1.2 hours, 5 minutes of charge allows immediate use.
• Laptop Compatibility: 100W Type-C port charges MacBooks and laptops.
• 3.2-inch LED Screen: Real-time status updates, 10 safety functions.
• Multi-functional: 400-lumen flashlight (SOS/spotlight/strobe), 3 USB ports, 15V/10A DC port.
• 24-Month Standby: Long-lasting charge, no regular recharging needed.
• Compact & Versatile: Perfect for cars, trucks, RVs, boats, etc.
• Built to Last: Durable construction with advanced safety features.

The GOOLOO GT4000S Portable Car Jump Starter is a high-performance portable jump starter designed to quickly and reliably revive dead car batteries. With its powerful 100W fast-charging capability, it ensures rapid power delivery for both the jump starter itself and compatible devices, minimizing downtime. Its compact and portable design makes it an essential companion on the road, providing emergency power when you need it most. Whether you're dealing with a dead battery or need a quick charging solution on the go, the GT4000S delivers efficiency and convenience in one robust package.

The GOOLOO GT4000S Emergency Car Battery Charger is your ultimate roadside assistant, delivering an incredible 4000A peak current to jump-start even the most demanding vehicles. Engineered for power and reliability, it effortlessly revives 12.0L gas or 10.0L diesel engines — perfect for trucks, SUVs, RVs, and heavy-duty machinery. No more waiting for roadside assistance or fumbling with jumper cables!

Compact yet powerful, this portable jump starter ensures you're never left stranded. Simply connect, start your engine, and go — dead batteries don't stand a chance. Get back on the road in seconds!

The GOOLOO GT4000S Portable Car Jump Starter revolutionizes roadside emergencies with its 100W two-way fast-charging system. This powerful device not only jump-starts your vehicle in seconds but also recharges itself at lightning speed, ready for another jump in just 5 minutes after recharging.

Never let a low battery slow you down! The GOOLOO GT4000S Portable Car Charger also doubles as a powerful portable charger, delivering up to 100W of rapid charging to keep your MacBook running at full speed – whether you're on a road trip, at a job site, or working remotely.

The GOOLOO GT4000S Best Compact Jump Starter incorporates 10 advanced safety features to ensure worry-free operation in any condition. Its AI-powered software continuously monitors power flow and battery status in real-time, while multiple physical safeguards provide comprehensive protection: reverse polarity protection prevents damage from incorrect connections, overcharge/overvoltage protection maintains optimal charging levels, and spark-proof technology eliminates dangerous sparks during use. Additional layers include short-circuit protection for sudden electrical failures, extreme temperature protection, overcurrent/overload protection from power surges, and reverse charge protection to block backward energy flow. This military-grade safety system guarantees reliable and risk-free operation, whether jump-starting vehicles or charging devices.

Lightning-Fast Charging – Ready When You Are!

Don't waste hours waiting – the GOOLOO GT4000S Best Portable Jump Starter fully recharges from zero to 100% 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 GT4000S Auto Jump Starter features a versatile LED light with 3 modes, designed for emergencies and outdoor adventures. Switch between spotlight mode for powerful illumination, steady light mode for continuous lighting during repairs or camping, and SOS strobe mode for emergency signaling.

The GOOLOO GT4000S Most Powerful Jump Starter combines immense power with versatile charging options, featuring a 100W USB-C port for ultra-fast bidirectional charging (perfect for laptops), an 18W USB-A port for quick smartphone/tablet charging, and a robust 15V/10A DC output for larger devices, making it an all-in-one power solution that keeps your vehicle and electronics running, whether you're facing an emergency or simply need reliable power on the go.

The GOOLOO GT4000S Heavy Duty Jump Starter boasts an exceptional 24-month standby time, meaning its built-in intelligent power management system maintains optimal charge levels if you don't need it at a particular moment, ensuring reliable emergency power is always available when you need it most. This extended backup power feature makes it an ideal long-term vehicle safety companion, always ready for action.

The GOOLOO GT4000S Powerful Jump Starter boasts a rugged construction with an IP65 protection standard, ensuring complete protection against rain, dust, and harsh outdoor conditions. This waterproof and dustproof design guarantees reliable performance in all weather, whether you're caught in a sudden downpour or navigating dusty off-road trails. No need to worry about water splashes or debris, your jump starter will keep working when you need it most. Built for real-world emergencies.

The GOOLOO GT4000S Car Battery Jump Starter simplifies starting your vehicle with a straightforward two-step process: simply connect the clamps to your battery and start the engine. With its powerful 4000A peak current and built-in safety features, you'll be back on the road in seconds — no complex procedures or waiting. This reliable portable jump starter works with cars, trucks, motorcycles, and boats (with engines up to 12.0L gas/10.0L diesel), making it the ideal emergency power solution for any driver.

The GOOLOO GT4000S Car Jump Starter includes everything you need for emergency starts and on-the-go power: the GT4000S portable jump starter, heavy-duty jumper cables, a 100W fast car charger, a USB-Type-C cable, a Type-C-to-Type-C cable, a cigarette lighter adapter, a storage bag, and a user manual — providing a comprehensive power solution for vehicles and devices.