Powerful and reliable car battery jump starter
Jump-start your car in seconds, even with an extremely low battery voltage. The JS4000 portable battery jump starter delivers a peak current of 4000 A, allowing it to efficiently start petrol engines up to 10L and diesel engines up to 8L. This versatile device is compatible with 12V vehicles, motorcycles, pick-up trucks, RVs, trucks, ATVs, snowmobiles, etc.
Portable car power supply
The JS4000 car battery jump starter has a large capacity and offers two fast USB-A outputs and one fast-charging USB-C output. Its compact design makes it easily portable and allows efficient charging of a wide range of devices such as smartphones, tablets, cameras, GPS systems, and more.
Smart safety protection
The battery jump starter is equipped with smart jump starter clamps that offer 10 levels of protection for maximum safety during use. The indicator light on the clamps also alerts you to common connection errors.
Ultra-bright LED light
The car battery jump starter is equipped with three LED lighting modes (light/flash/SOS warning), which you can easily switch between using the power button. The bright light allows you to comfortably start your car at night, while the flashing and SOS modes can serve as a lifeline in emergency situations.
Reliable in extreme conditions
The advanced smart chip in the JS4000 jump starter ensures fast and reliable car starting even in extreme temperatures from -20 °C to 60 °C. The JS4000 will help you in any situation – whether during adventures, outdoor activities, or emergency situations.