Powerful and reliable car battery jump starter
Start your car in a matter of seconds, even with an extremely low battery voltage. The JS4000 portable jump starter provides a peak current of 4000 A, allowing it to effectively jump-start gasoline engines up to 10 L and diesel engines up to 8 L. This versatile device is compatible with 12V vehicles, motorcycles, pick-up trucks, campers, trucks, ATVs, snowmobiles, etc.
Portable car power bank
The JS4000 car jump starter has a large capacity and features two fast USB-A outputs and one fast-charging USB-C output. Thanks to its compact design, it is easily portable and allows for efficient charging of a wide range of devices, such as smartphones, tablets, cameras, GPS systems, and more.
Smart safety protection
The jump starter is equipped with smart jumper cables that offer 10 levels of protection for maximum safety during use. The indicator light on the cables also alerts you to common connection errors.
Ultra-bright LED light
The car jump starter is equipped with three LED lighting modes (steady/flashing/SOS signal), which you can easily switch between using the power button. The bright light allows you to start your car more comfortably at night, while the flashing and SOS modes can serve as a lifesaver in emergency situations.
Reliable in extreme conditions
The advanced smart chip in the JS4000 starter ensures fast and reliable engine starting even at extreme temperatures from -20 °C to 60 °C. The JS4000 helps you in any situation – whether during adventures, outdoor activities, or crisis situations.
Frequently asked questions
Everything you need to know about the NAVITEL JS4000 jump starter.
What is the NAVITEL JS4000 and what is it used for?
The NAVITEL JS4000 is a portable jump starter that helps start a vehicle with a dead or weak 12V battery. It also functions as a power bank for charging your phone, tablet, navigation, and other compatible devices. Thanks to the built-in LED flashlight, it is also useful as a practical piece of equipment for emergency situations on the road.
What is the maximum starting current of the NAVITEL JS4000?
The NAVITEL JS4000 offers a maximum starting current of up to 4,000 A. The short-term starting current reaches 2,000 A for 1 second, 550 A for 3 seconds, and 500 A for 5 seconds. Thanks to its high current output, the device is designed for more demanding starts, but always while following the instructions in the manual.
Which engines can the NAVITEL JS4000 start?
The jump starter is designed for vehicles with a 12V electrical system and can handle gasoline engines with a displacement of up to 10 liters and diesel engines up to 8 liters. It can be used, for example, for passenger cars, vans, motorcycles, pick-up trucks, campers, ATVs, or snowmobiles. The actual ability to start depends on the condition of the battery, the engine, and the ambient temperature.
How to safely use the NAVITEL JS4000 jump starter?
The device includes smart jumper cables with 10 levels of protection. The cables also use indicators to warn of common connection errors. Before use, always read the manual, verify compatibility with your 12V battery, and connect the cables exactly according to the prescribed procedure. Protective features do not replace proper connection and adherence to safety instructions.
Can the NAVITEL JS4000 be used as a power bank?
Yes. The NAVITEL JS4000 has two USB-A outputs and one USB-C output for charging compatible devices. Supported USB-A outputs allow charging up to 18 W. You can use the power bank for your phone, tablet, navigation, camera, and other electronics with a compatible charging cable.
What is the battery capacity of the NAVITEL JS4000 and how long does it take to charge?
The built-in battery has a capacity of 24,000 mAh at 3.7 V, which corresponds to an energy of 88.8 Wh. Charging is done via USB-C with an input power of up to 18 W. A full charge takes approximately 6 hours; the actual time depends on the power source used and the state of the battery.
Does the NAVITEL JS4000 have an LED flashlight for emergencies?
Yes. The integrated LED flashlight offers three modes: steady light, flashing, and SOS signal. It helps when connecting jumper cables in the dark, and in an emergency, it can alert others to your presence.
Does the NAVITEL JS4000 work in freezing temperatures and what is included in the package?
The device is designed for operation at temperatures from −20 °C to +60 °C. In extreme cold, the battery performance may be lower, so follow the instructions in the manual. The package includes the NAVITEL JS4000 jump starter, jumper cables with clamps, a USB-A to USB-C charging cable, a storage pouch, a user manual, and a warranty card. We provide a 24-month warranty on the product.