1. Einleitung
The UTRAI Jstar 5 is a versatile multi-function device designed for automotive emergencies and outdoor activities. It combines a powerful jump starter, an electric air compressor, a mobile power bank, and an emergency LED light. This manual provides essential information for safe and effective operation, maintenance, and troubleshooting.
2. Sicherheitshinweise
Bitte lesen und verstehen Sie alle Sicherheitshinweise und Anweisungen, bevor Sie dieses Produkt verwenden. Die Nichtbeachtung dieser Anweisungen kann zu Stromschlag, Brand oder schweren Verletzungen führen.
- Verbinden Sie immer den Smart-Clientamps correctly to the vehicle battery terminals (red to positive, black to negative).
- Berühren Sie nicht den roten und schwarzen clamps zusammen, um Kurzschlüsse zu vermeiden.
- Once the engine starts, disconnect the battery clamps von der Autobatterie und der Starthilfe innerhalb von 30 Sekunden.
- Avoid using the device in extreme cold or humid conditions (-20℃ to 60℃ is the operating range). Performance may be reduced outside this range.
- Do not use the device if the vehicle battery is severely degraded or damaged.
- If the vehicle battery is completely discharged, use the boost mode as described in the operating instructions.
- For long-term storage, recharge the device every 3 months to prolong battery life.
- Bewahren Sie das Gerät außerhalb der Reichweite von Kindern auf.
- Ensure proper ventilation when using the air compressor; it can generate heat.
3. Packungsinhalt
Überprüfen Sie, ob alle Artikel in Ihrem Paket vorhanden sind:
- UTRAI Jstar 5 Jump Starter and Air Compressor Unit
- Smart Battery Klamps
- USB-C-Ladekabel
- DC-Autoladegerät-Adapter
- Air Nozzle Adapters (3 pieces)
- Bedienungsanleitung
- Aufbewahrungskoffer

4. Produktmerkmale
The UTRAI Jstar 5 offers multiple functionalities:
- Starthilfe: 5000A peak current, capable of starting all gasoline vehicles and diesel vehicles up to 8L.
- Air Compressor: Built-in electric air compressor with a maximum pressure of 150 PSI, suitable for tires, balls, and inflatables. Features automatic stop when preset pressure is reached.
- Mobile Powerbank: 27000mAh capacity with USB (5V/2.4A) and QC3.0 fast charging output ports for charging smartphones, tablets, and other electronic devices. Includes a DC output port (12V-16V/10A) for car accessories.
- LED-Notlicht: Equipped with a bright LED light offering illumination, warning (strobe), and SOS modes for various emergency situations.
- Sicherheitsschutz: Features 9 types of protection including short circuit, reverse connection, over-discharge, over-current, reverse current, low voltage, hohe Lautstärketage, temperature, and overcharge protection. PSE certified.
- Digitales LCD-Display: Clear display for battery level, tire pressure, and output status.

5. Einrichtung
Before first use, fully charge the UTRAI Jstar 5 unit. Connect the provided USB-C charging cable to the device and a suitable power source. The LCD display will indicate the charging status.
6. Bedienungsanleitung
6.1. Starthilfe für Ihr Fahrzeug
- Stellen Sie sicher, dass der Starthilfe-Booster ausreichend geladen ist.
- Legen Sie die Smart Battery clamp plug completely into the jump start port on the UTRAI Jstar 5. The red and green lights on the clamp blinkt abwechselnd.
- Verbinden Sie die roteamp an den Pluspol (+) der Autobatterie und den schwarzen Polamp an den Minuspol (-).
- Once connected correctly, the green light on the smart clamp will illuminate steadily, and a click sound may be heard.
- Starten Sie den Motor Ihres Fahrzeugs innerhalb von 60 Sekunden.
- After the engine starts, remove the battery clamps from the car battery and then from the jump starter within 30 seconds.

Video 6.1: Demonstration of the UTRAI Jstar 5 jump starting a car.
6.2. Verwenden des Luftkompressors
- Remove the air hose from its storage slot on the device.
- Press the 'OK' button to activate the display, then press the 'M' button to cycle through air inflation modes (car, motorcycle, bicycle, ball).
- Use the '+' and '-' buttons to set the desired air pressure. Refer to your vehicle's manual or tire sidewall for recommended pressure.
- Securely connect the air hose to the tire valve. The current tire pressure will be displayed on the LCD.
- Drücken Sie die Taste „OK“, um den Aufblasvorgang zu starten. Der Kompressor schaltet sich automatisch ab, sobald der voreingestellte Druck erreicht ist.
- Disconnect the air hose from the tire valve and store it back in the unit.

6.3. Using as a Mobile Power Bank
Der UTRAI Jstar 5 kann verschiedene elektronische Geräte aufladen:
- Connect your device's USB charging cable to one of the USB output ports (5V/2.4A or QC3.0) on the Jstar 5.
- For 12V car accessories, connect the DC car charger adapter to the DC output port (12V-16V/10A) and then to your accessory (e.g., car vacuum, car refrigerator).

6.4. Verwendung des LED-Lichts
The integrated LED light has multiple modes for different situations:
- Press the light button (usually indicated by a light bulb icon) on the control panel to cycle through modes: Illumination, Strobe (warning), and SOS.
- The bright light is useful for working in dark engine bays or as a campLicht.
- Strobe and SOS modes are for emergency signaling.

7. Wartung
- Laden: To maintain optimal battery health, fully charge the Jstar 5 every three months, especially during long periods of inactivity.
- Reinigung: Reinigen Sie das Gerät mit einem trockenen, weichen Tuch. Verwenden Sie keine scharfen Chemikalien oder Scheuermittel.
- Lagerung: Bewahren Sie das Gerät an einem kühlen, trockenen Ort, vor direkter Sonneneinstrahlung und extremen Temperaturen geschützt auf. Verwenden Sie zum Schutz die mitgelieferte Aufbewahrungstasche.
8. Fehlerbehebung
If you encounter issues with your UTRAI Jstar 5, refer to the following common problems and solutions:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Fahrzeug springt nicht an | Low charge on jump starter, incorrect clamp connection, severely discharged vehicle battery. | Stellen Sie sicher, dass der Starthilfeakku vollständig geladen ist. Überprüfen Sie erneut den Ladevorgang.amp connections (red to +, black to -). If vehicle battery is completely flat, use boost mode (refer to full manual for specific instructions). |
| Smart Klamp indicator light is red or flashing red/green rapidly | Short circuit, reverse polarity, over-temperature, or other safety protection activated. | Trennen Sie sofort die Verbindung.amps. Check for correct polarity. Allow device to cool down if it was recently used. Ensure clampSie berühren sich nicht. |
| Luftkompressor pumpt nicht auf | Air hose not securely connected, incorrect pressure setting, device not powered on. | Ensure air hose is tightly screwed onto the tire valve. Verify the device is powered on and the desired pressure is set. Check battery level. |
| Gerät lädt nicht | Faulty charging cable/adapter, power source issue. | Versuchen Sie es mit einem anderen USB-C-Kabel und Netzteil. Stellen Sie sicher, dass die Stromversorgung aktiv ist. |
9. Spezifikationen
| Besonderheit | Spezifikation |
|---|---|
| Modellnummer | JS 5 |
| Spitzenstrom | 5000 Amperes |
| Batteriekapazität | 27000 mAh |
| Akku-Typ | Lithium Polymer |
| Bandtage | 12 Volt |
| Maximaler Druck des Luftkompressors | 150 PSI (1035 kPa) |
| Kompatible Fahrzeugtypen | All gasoline engine vehicles, diesel engine vehicles up to 8L |
| Technische Daten | 20 x 16 x 8 cm |
| Produktgewicht | 2 Kilogramm |
| Betriebstemperatur | -20℃ bis 60℃ |
10. Garantie und Support
The UTRAI Jstar 5 comes with a 12-month warranty. If you encounter any issues with the product or have questions, please contact UTRAI customer support directly for assistance. Provide your purchase details and a description of the problem for prompt service.