1. Introduktion
Thank you for choosing the LOKITHOR JA300 Portable Jump Starter and Air Compressor. This device is designed to provide reliable emergency power for vehicle jump-starting, tire inflation, and portable charging. Please read this manual thoroughly before use to ensure safe and optimal performance. Keep this manual for future reference.
Vigtige sikkerhedsoplysninger
- Always wear eye protection and gloves when operating the device.
- Udsæt ikke enheden for regn eller våde forhold.
- Do not operate the device if it has been dropped or damaged.
- Opbevares utilgængeligt for børn.
- Sørg for tilstrækkelig ventilation under brug og opladning.
- Se din bils instruktionsbog for specifikke procedurer for starthjælp.
2. Produktet er slutview
The LOKITHOR JA300 integrates multiple essential automotive emergency functions into a single portable unit. It features a powerful jump starter, a digital tire inflator, a power bank, and an LED flashlight.
Pakkens indhold
Bekræft at alle varer er til stede i din pakke:
- LOKITHOR JA300 Multi-function Vehicle Emergency Starter
- Jump starter clamps
- Oppustelig slange
- Nozzle adapters (x4)
- USB-C-kabel
- Brugermanual
- Accessories Storage bag

Figure 2.1: Included accessories with the LOKITHOR JA300.
Nøglefunktioner
- Jumpstarter: 1500A peak current, capable of starting up to 7.0L gas and 4.5L diesel engines.
- Luftkompressor: 150 PSI maximum pressure, 40L/min airflow, with digital display, auto-stop function, and ±1% accuracy.
- Power Bank: USB 3.0 fast charging (Output 5V/3A & 9V/2A, Input 5V/3A & 9V/2A).
- LED lommelygte: 300-lumen with three modes: steady, flash, and SOS.
- Avanceret sikkerhed: Over 10 types of protection including spark-proof, reverse-polarity, over-charge, over-current, over-voltage, over-load, reverse-charge, low-temp, and high-temp protection.
- Forbedret køling: Three large vents for improved heat dissipation.

Figure 2.2: The LOKITHOR JA300 main unit.
3. Opsætning og første opladning
Indledende opladning
Before first use, fully charge the LOKITHOR JA300. Use the provided USB-C cable and a compatible USB wall adapter (not included). The device features a digital display that indicates the battery level.
- Connect the USB-C cable to the charging port on the JA300.
- Connect the other end of the USB-C cable to a USB wall adapter.
- Allow the unit to charge until the battery indicator shows a full charge.
It is recommended to recharge the unit every 3-6 months, even if not used, to maintain optimal battery health.
4. Betjeningsvejledning
4.1. Start af et køretøj med startkabler
The JA300 can jump start 12V vehicles with up to 7.0L gas or 4.5L diesel engines.

Figure 4.1: LOKITHOR JA300 connected for jump starting.
- Ensure the JA300 is sufficiently charged (at least 50% recommended).
- Sluk for tændingen på dit køretøj og alt tilbehør.
- Tilslut rød (+) clamp to the vehicle's positive battery terminal.
- Tilslut sort (-) clamp to the vehicle's negative battery terminal or a solid, unpainted metal part of the engine block.
- Tilslut smart clamp connector into the jump start port on the JA300. The device will perform a self-check.
- Once the indicator on the smart clamp shows a solid green light (or indicates ready), start your vehicle.
- After the vehicle starts, immediately disconnect the smart clamp connector from the JA300, then remove the black (-) clamp, efterfulgt af den røde (+) kl.amp fra køretøjets batteri.
Sikkerhedsbemærkning: The JA300 features multiple protections including spark-proof and reverse-polarity protection to prevent damage from incorrect connections.

Figure 4.2: Advanced safety features of the JA300.
4.2. Brug af luftkompressoren
The integrated air compressor can inflate tires up to 150 PSI.

Figure 4.3: Using the JA300 for tire inflation.
- Connect the inflatable hose to the air output port on the JA300.
- Screw the hose connector onto the tire valve stem. Ensure a tight seal.
- Turn on the JA300. The digital display will show the current tire pressure.
- Use the '+' and '-' buttons to set the desired target pressure. You can switch between BAR and PSI units.
- Press the 'Pump' button to start inflation. The compressor will automatically stop once the preset pressure is reached.
- Disconnect the hose from the tire valve and then from the JA300.
Use the provided nozzle adapters for inflating other items like sports balls or inflatable toys.
4.3. Brug som powerbank
The JA300 can charge various USB-powered devices.

Figure 4.4: JA300 providing portable power.
- Connect your device's USB charging cable to the USB output port on the JA300.
- The JA300 will automatically begin charging your device.
- Frakobl din enhed, når opladningen er færdig.
The USB output supports fast charging at 5V/3A and 9V/2A.
4.4. Brug af LED-lommelygten
The built-in 300-lumen LED flashlight offers three modes for various situations.

Figure 4.5: JA300 LED flashlight modes.
- Press the flashlight button once for steady illumination.
- Press again for flash mode.
- Tryk en tredje gang for SOS-tilstand.
- Tryk en fjerde gang for at slukke for lommelygten.
5. Vedligeholdelse
Opladning og opbevaring
- Recharge the JA300 after each use, especially after jump-starting a vehicle.
- For long-term storage, ensure the unit is charged to at least 50% and recharge every 3-6 months.
- Opbevar enheden et køligt, tørt sted, væk fra direkte sollys og ekstreme temperaturer.
- Hold enheden ren og fri for støv og snavs. Brug en blød, tør klud til rengøring.
6. Fejlfinding
If you encounter issues with your LOKITHOR JA300, refer to the following table for common problems and solutions.
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Enheden tænder ikke. | Batteriet er helt afladet. | Oplad enheden helt med USB-C-kablet. |
| Køretøjet starter ikke efter forsøg på at hoppe. | Forkert klamp connection; Vehicle battery severely discharged; Vehicle issue not related to battery. | Sørg for, at clamps are correctly connected (+ to +, - to -). Wait 30 seconds and try again. If still unsuccessful, consult a mechanic. |
| Luftkompressoren puster sig ikke op. | Hose not securely connected; Target pressure not set; Unit not turned on. | Ensure hose is tightly screwed onto valve. Set desired pressure. Turn on the unit and press 'Pump'. |
| USB-enheden oplades ikke. | USB cable faulty; JA300 battery low. | Try a different USB cable. Charge the JA300 unit. |
If the problem persists after attempting these solutions, please contact LOKITHOR customer support.
7. Specifikationer
Technical specifications for the LOKITHOR JA300.
| Feature | Specifikation |
|---|---|
| Mærke | LOKITHOR |
| Model | JA300 |
| Peak Output Current | 1500 Amps |
| Ampslette | 250 Amps |
| Motorkompatibilitet | Op til 7.0 l benzin / 4.5 l diesel |
| Luftkompressortryk | 150 PSI (maks.) |
| Luftmængde | 40 l/min |
| USB udgang | 5V/3A og 9V/2A |
| USB Input (Charging) | 5V/3A og 9V/2A |
| LED lommelygte | 300 Lumens (Steady, Flash, SOS) |
| Batteritype | Lithium polymer |
| Varens vægt | 3.86 pund (1750 gram) |
| Produktdimensioner | 5.55 x 10 x 4.06 tommer |
8. Garanti og support
Garantioplysninger
The LOKITHOR JA300 comes with a 12 måneders garanti fra købsdatoen. Denne garanti dækker fabrikationsfejl og udførelse under normal brug. Den dækker ikke skader forårsaget af misbrug, ulykker, uautoriseret ændring eller forsømmelse.
Kundesupport
For technical assistance, warranty claims, or any questions regarding your LOKITHOR JA300, please contact LOKITHOR customer support through their official website or the retailer from whom you purchased the product. Please have your model number (JA300) and proof of purchase ready.





