1. Introduction
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.
Important Safety Information
- Always wear eye protection and gloves when operating the device.
- Do not expose the device to rain or wet conditions.
- Do not operate the device if it has been dropped or damaged.
- Keep out of reach of children.
- Ensure proper ventilation during use and charging.
- Refer to your vehicle's owner's manual for specific jump-starting procedures.
2. Product Overview
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.
Package Contents
Verify that all items are present in your package:
- LOKITHOR JA300 Multi-function Vehicle Emergency Starter
- Jump starter clamps
- Inflatable hose
- Nozzle adapters (x4)
- USB-C cable
- User Manual
- Accessories Storage bag
Figure 2.1: Included accessories with the LOKITHOR JA300.
Key Features
- Jump Starter: 1500A peak current, capable of starting up to 7.0L gas and 4.5L diesel engines.
- Air Compressor: 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 Flashlight: 300-lumen with three modes: steady, flash, and SOS.
- Advanced Safety: 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.
- Enhanced Cooling: Three large vents for improved heat dissipation.
Figure 2.2: The LOKITHOR JA300 main unit.
3. Setup and Initial Charging
Initial Charging
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. Operating Instructions
4.1. Jump Starting a Vehicle
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).
- Turn off your vehicle's ignition and all accessories.
- Connect the red (+) clamp to the vehicle's positive battery terminal.
- Connect the black (-) clamp to the vehicle's negative battery terminal or a solid, unpainted metal part of the engine block.
- Plug the 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, followed by the red (+) clamp from the vehicle battery.
Safety Note: 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. Using the Air Compressor
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. Using as a Power Bank
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.
- Disconnect your device once charging is complete.
The USB output supports fast charging at 5V/3A and 9V/2A.
4.4. Using the LED Flashlight
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.
- Press a third time for SOS mode.
- Press a fourth time to turn off the flashlight.
5. Maintenance
Charging and Storage
- 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.
- Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.
- Keep the unit clean and free from dust and debris. Use a soft, dry cloth for cleaning.
6. Troubleshooting
If you encounter issues with your LOKITHOR JA300, refer to the following table for common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | Battery is fully discharged. | Charge the unit fully using the USB-C cable. |
| Vehicle does not start after jump attempt. | Incorrect clamp connection; Vehicle battery severely discharged; Vehicle issue not related to battery. | Ensure clamps are correctly connected (+ to +, - to -). Wait 30 seconds and try again. If still unsuccessful, consult a mechanic. |
| Air compressor does not inflate. | 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 device not charging. | 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. Specifications
Technical specifications for the LOKITHOR JA300.
| Feature | Specification |
|---|---|
| Brand | LOKITHOR |
| Model | JA300 |
| Peak Output Current | 1500 Amps |
| Amperage | 250 Amps |
| Engine Compatibility | Up to 7.0L Gas / 4.5L Diesel |
| Air Compressor Pressure | 150 PSI (Max) |
| Airflow Rate | 40 L/min |
| USB Output | 5V/3A & 9V/2A |
| USB Input (Charging) | 5V/3A & 9V/2A |
| LED Flashlight | 300 Lumens (Steady, Flash, SOS) |
| Battery Type | Lithium Polymer |
| Item Weight | 3.86 pounds (1750 Grams) |
| Product Dimensions | 5.55 x 10 x 4.06 inches |
8. Warranty and Support
Warranty Information
The LOKITHOR JA300 comes with a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use. It does not cover damage caused by misuse, accident, unauthorized modification, or neglect.
Customer Support
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.
