Performance and compatibility

Battery capacity and charge
Cold weather performance
For those frequently exposed to extreme cold temperatures, the GT4000 with its intelligent preheating technology is recommended. It starts the battery at temperatures as low as -40°F without any waiting time. The GT4000S, on the other hand, offers excellent performance at temperatures ranging from -20°C to 60°C.
Display and operating status
Both models feature an informative 3.2-inch LCD display. The display shows important information such as battery level, operating status, and error messages, allowing users to conveniently monitor the jump starter's performance.
Integrated LED light
Equipped with an integrated 400-lumen LED light, both the GT4000 and GT4000S serve as practical emergency lighting in various situations. With flashlight, strobe, and SOS modes, users can utilize the LED light to illuminate their surroundings, check the engine, or call for help in an emergency.
Security features
Both jump starters offer reliable protection with eight safety features, including overcurrent protection, overload protection, overvoltage protection and overcharge protection.
Conclusion
Whether you choose the GT4000 or the GT4000S, you can rely on having a powerful and dependable jump starter. The GT4000 features intelligent preheating technology for extremely cold conditions, while the GT4000S excels across a wider temperature range. Thanks to their robust features, compatibility, and safety precautions, both models offer an advanced and effective solution for on-the-go jump starts.
Carefully consider your individual needs and preferences before making a decision. Whether you have a dead car battery or are looking for a portable power source, the GOOLOO GT4000 and GT4000S are the perfect choice for all your power supply needs. They also offer integrated smart protection with the GOOLOO Smart Clip and Smart Jump Leads for added safety during use.