Introduction
Thank you for choosing the LOKITHOR JA3000 Jump Starter with Air Compressor. This versatile device combines a powerful jump starter, a high-speed tire inflator, and a portable power bank, making it an essential tool for automotive emergencies and outdoor activities. Designed with LiFePO4 technology, it offers enhanced safety, durability, and a longer lifespan compared to traditional lead-acid or lithium-ion batteries.
This manual provides detailed instructions for the safe and effective operation, maintenance, and troubleshooting of your JA3000. Please read it thoroughly before first use and keep it for future reference.

Image: The LOKITHOR JA3000 unit, showcasing its robust design, integrated air hose, and included jump starter clamps.
What's in the Box
Upon opening your LOKITHOR JA3000 package, please verify that all the following components are included:
- Portable Lithium Car Battery Jump Starter (JA3000 Unit)
- Jump starter clamps (1 pair)
- Inflatable hose (1 unit)
- Nozzle adapters (3 units)
- USB-C cable (1 unit)

Image: A visual representation of all items included in the LOKITHOR JA3000 product package, including the main unit, clamps, hose, adapters, and USB-C cable.
Safety Information
Always observe the following safety precautions to prevent injury or damage to the device and property:
- Read Instructions: Fully understand all instructions before operating the device.
- Ventilation: Ensure adequate ventilation when operating, especially during inflation, to prevent overheating.
- Eye Protection: Always wear safety glasses when working with batteries.
- Gloves: Wear insulated gloves to prevent electrical shock.
- Flammable Materials: Keep the device away from flammable liquids, gases, or dust.
- Children and Pets: Keep out of reach of children and pets.
- Proper Connection: Connect the jump starter clamps in the correct polarity (red to positive, black to negative). Reverse polarity can cause damage.
- Battery Type: Only use this device for 12V lead-acid batteries. Do not attempt to jump-start other battery types.
- Over-inflation: Do not over-inflate tires. Always refer to the vehicle's recommended tire pressure.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Damage: Do not use the device if it is damaged, dropped, or exposed to water. Contact customer support for assistance.
Setup
Initial Charging
Before first use, fully charge your LOKITHOR JA3000. The device features PD 60W two-way fast charging via its USB-C port.
- Locate the USB-C port on the device.
- Connect the provided USB-C cable to the JA3000's USB-C input port.
- Connect the other end of the USB-C cable to a compatible 60W USB-C power adapter (not included) or a high-power USB-C charging source.
- The digital display will indicate the charging status. A full charge typically takes approximately 75 minutes.
It is recommended to keep the device charged above 50% for optimal performance and battery longevity.

Image: The LOKITHOR JA3000 unit with a USB-C cable connected, illustrating the fast charging capability.
Operating Instructions
Jump Starting a Vehicle
The JA3000 can jump-start 12V vehicles with up to 9.0L gasoline or 7.0L diesel engines.
- Prepare the Vehicle: Turn off the vehicle's ignition and all accessories. Engage the parking brake.
- Connect Clamps: Connect the red (positive, +) clamp to the positive terminal of the vehicle's battery. Connect the black (negative, -) clamp to the negative terminal of the vehicle's battery. Ensure a secure connection.
- Power On: Turn on the LOKITHOR JA3000. The digital display will show the battery voltage.
- Start Vehicle: Attempt to start the vehicle. If it doesn't start immediately, wait 30 seconds before trying again. Do not crank for more than 3 seconds per attempt.
- Disconnect Clamps: Once the vehicle starts, disconnect the black (negative) clamp first, then the red (positive) clamp.
- Recharge: Recharge the JA3000 as soon as possible after use.

Image: The LOKITHOR JA3000 with its clamps connected to a car battery, ready to jump-start a vehicle.
Using the Air Compressor
The integrated air compressor can inflate tires up to 150 PSI with an airflow of 40L/Min.
- Attach Hose: Screw the inflatable hose onto the air output port of the JA3000.
- Connect to Tire: Attach the other end of the hose to the tire valve stem. Ensure a tight seal.
- Power On: Turn on the JA3000. The digital display will show the current tire pressure.
- Set Pressure: Use the '+' and '-' buttons to set the desired tire pressure. You can switch between BAR and PSI units using the dedicated button.
- Start Inflation: Press the 'PUMP' button to begin inflation. The compressor will automatically stop once the preset pressure is reached.
- Disconnect: Disconnect the hose from the tire valve and then from the JA3000.

Image: The LOKITHOR JA3000 connected to a car tire, demonstrating its function as a cordless high-speed inflator.
Using as a Power Bank
The JA3000 features a 60W USB-C Power Delivery port and a USB-A port for charging electronic devices.
- USB-C Output: Connect your USB-C compatible laptop, smartphone, or other devices to the USB-C port on the JA3000 using a USB-C to USB-C cable. The device will automatically begin charging.
- USB-A Output: Connect your USB-A compatible devices (e.g., older smartphones, tablets) to the USB-A port using a standard USB-A cable.
The JA3000's internal battery capacity is sufficient to provide multiple charges for most smartphones and can power laptops.
Using the LED Flashlight
The JA3000 is equipped with a 400-lumen LED flashlight with multiple modes.
- Turn On/Off: Press the 'Light' button to turn the flashlight on or off.
- Change Modes: Press the 'Light' button repeatedly to cycle through different modes: Solid On, SOS, Blink, and Strobe.

Image: A close-up of the LOKITHOR JA3000's front, highlighting its powerful 400-lumen LED flashlight.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your LOKITHOR JA3000.
- Recharge After Use: Always recharge the unit after each jump-start or significant use of the air compressor or power bank functions.
- Regular Charging: If not used frequently, charge the JA3000 every 3-6 months to maintain battery health.
- Cleaning: Wipe the unit with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the device in a cool, dry place, away from direct sunlight, moisture, and extreme temperatures. The ideal storage temperature is between 0°C and 40°C (32°F and 104°F).
- Clamp Care: Keep the jump starter clamps clean and free of corrosion.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not turn on. | Battery is completely discharged. | Charge the unit fully using the USB-C cable. |
| Vehicle does not jump-start. | Incorrect clamp connection; Vehicle battery too severely discharged; Vehicle issue (not battery related). | Ensure clamps are connected correctly (red to positive, black to negative). Try the 'Force Start' function if available (refer to specific device instructions for this advanced feature). Consult a mechanic if the vehicle still doesn't start. |
| Air compressor not inflating or stops prematurely. | Hose not securely attached; Desired pressure already reached; Unit overheating; Low battery. | Check hose connection to tire valve and unit. Verify desired pressure setting. Allow unit to cool down if hot. Recharge the unit. |
| USB charging not working. | Device not powered on; Cable issue; Low battery. | Ensure the JA3000 is powered on. Try a different USB cable. Recharge the unit. |
Specifications
| Feature | Specification |
|---|---|
| Brand | LOKITHOR |
| Model | JA3000 |
| Peak Current | 3000 Amps |
| Engine Compatibility (Gas) | Up to 9.0 Liters |
| Engine Compatibility (Diesel) | Up to 7.0 Liters |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Air Compressor Max Pressure | 150 PSI |
| Airflow Rate | 40 L/Min |
| Charging Input/Output | PD 60W Two-Way USB-C |
| Additional USB Output | USB-A (18W Max) |
| Flashlight Luminosity | 400 Lumens LED |
| Product Dimensions | 5.52"D x 3.75"W x 9.75"H |
| Item Weight | 3.86 pounds (1750 Grams) |
Warranty and Support
The LOKITHOR JA3000 Lithium Iron Phosphate Jump Starter comes with a 2-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For any questions about the product, warranty claims, or technical support, please contact the seller directly or visit the official LOKITHOR store. The LOKITHOR support team is dedicated to providing excellent customer service.
For more information and support, visit the LOKITHOR Store on Amazon.

Image: The LOKITHOR JA3000 unit with an overlay indicating a 24-month warranty period.





