JARXIOKE JXK-4000W-BLACK
JARXIOKE 4000W Pure Sine Wave Power Inverter User Manual
Model: JXK-4000W-BLACK
1. Introduction
Thank you for choosing the JARXIOKE 4000 Watt Pure Sine Wave Power Inverter. This device is designed to convert 12V DC power from your battery into clean, stable 110V/120V AC power, suitable for a wide range of sensitive electronics and appliances. This manual provides essential information for safe and efficient operation, installation, and maintenance of your inverter.
2. Safety Instructions
Please read and understand all safety instructions before operating the inverter. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Ventilation: Ensure adequate ventilation around the inverter. Do not block ventilation openings.
- Dry Environment: Do not expose the inverter to water, rain, snow, or spray. Operate only in a dry environment.
- Proper Connections: Ensure all DC and AC connections are tight and correct. Loose connections can cause overheating and fire.
- No Short Circuits: Do not short-circuit the output terminals.
- Grounding: The inverter must be properly grounded. Connect the grounding terminal to a suitable earth ground.
- Battery Safety: Work in a well-ventilated area when connecting batteries. Wear eye protection. Avoid sparks and flames near batteries.
- Load Compatibility: Do not exceed the inverter's continuous power rating (4000W) or peak power rating (8000W).
- Children: Keep the inverter out of reach of children.
- Maintenance: Only qualified personnel should service the inverter.
3. Package Contents
Verify that all items are present in your package:
- JARXIOKE 4000W 12V Pure Sine Wave Power Inverter
- Battery Cables (Red and Black, 80cm, 2AWG 32mm²)
- Wireless Remote Control
- User Manual (this document)
- Gift Items (Wrench, Earth Wire)

Image: Contents of the JARXIOKE 4000W Power Inverter package, including the inverter unit, wireless remote, and battery connection cables.

Image: Detailed view of the inverter's dimensions, along with illustrations of the included battery cables, remote control, and additional accessories.
4. Product Features
- Advanced Pure Sine Wave Output: Provides true 4000W continuous power and 8000W peak power, ensuring clean and stable electricity for sensitive electronics. High conversion efficiency (>90%) and low no-load losses.
- Comprehensive Safety Protections: Includes overvoltage, low voltage, overload, short circuit, overheat, and reverse polarity protection (via fuse). Features automatic restart function and GND leakage protection (lightning strike).
- LCD Display: Monitors real-time working status, including battery voltage, output voltage, frequency, and power consumption. Displays error codes for various protections.
- Multiple Output Ports: Equipped with 4 AC power outlets, dual USB ports, and Type-C ports for versatile charging and power needs. Each AC socket is rated for 15A.
- Wireless Remote Control: Conveniently control the inverter's on/off function from up to 100 meters away. Features a light display for status monitoring.
- Durable Construction: Large and robust aluminum alloy housing provides advanced anti-drop and anti-collision protection.
- Smart Cooling Fans: Integrated intelligent cooling fans help dissipate heat efficiently, preventing overheating and extending the inverter's lifespan. Fans operate when temperature exceeds 104°F (40°C) or load exceeds 480W.

Image: The inverter's LCD display showing indicators for overvoltage, overload, and short circuit protection, providing real-time status updates.

Image: An illustration highlighting the inverter's four 15A AC sockets and its multi-protection features, including low EMI technology, overheating, overload, low-input, input/output isolation, and short-circuit protection.



Image: Visual representations of key features: the LCD screen for monitoring, the silent cooling fan for heat dissipation, and the convenient remote controller.
5. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your inverter.
5.1 Choosing an Installation Location
- Install the inverter in a cool, dry, and well-ventilated area.
- Avoid direct sunlight, heat sources, and moisture.
- Ensure sufficient clearance around the inverter for airflow, especially around the cooling fans.
- Mount the inverter securely on a stable surface.
5.2 Connecting to a 12V DC Power Source
- Ensure the inverter's power switch is in the OFF position.
- Connect the RED battery cable to the positive (+) terminal of the inverter.
- Connect the other end of the RED battery cable to the positive (+) terminal of your 12V battery.
- Connect the BLACK battery cable to the negative (-) terminal of the inverter.
- Connect the other end of the BLACK battery cable to the negative (-) terminal of your 12V battery.
- Ensure all connections are tight and secure to prevent arcing and overheating.
- Connect the inverter's grounding terminal to a proper earth ground using the provided earth wire.

Image: Front and rear views of the inverter, highlighting the positive and negative input terminals, cooling fan, AC outlets, USB/Type-C ports, and the LCD display.
6. Operating Instructions
6.1 Powering On the Inverter
- After ensuring all connections are secure, press the power button on the inverter to turn it ON. The LCD display will illuminate, showing current status.
- Alternatively, you can use the wireless remote control. Ensure the inverter's main switch is OFF, then use the remote's ON button to power up the inverter.
6.2 Connecting AC Appliances
- Plug your AC appliances into the 110V/120V AC outlets on the front of the inverter.
- For USB and Type-C devices, connect them to the respective ports.
- Ensure the total power consumption of all connected appliances does not exceed the inverter's continuous power rating (4000W).

Image: The inverter in operation, demonstrating its connection to a solar panel system and its ability to power and charge various devices via AC, USB, and Type-C outputs, controlled by the remote.
6.3 Monitoring the LCD Display
The LCD display provides critical information about the inverter's operation:
- Input Voltage: Displays the current DC voltage from your battery.
- Output Voltage: Shows the AC output voltage (110V/120V).
- Output Frequency: Indicates the AC output frequency (60Hz).
- Output Power: Displays the current power consumption of connected devices in Watts.
- Battery Indicator: Shows the approximate battery charge level.
- Error Codes/Indicators: Alerts you to protection activations (e.g., Overvoltage, Overload, Short Circuit).
6.4 Powering Off the Inverter
To turn off the inverter, press the power button on the unit or the OFF button on the remote control. Disconnect all AC appliances before prolonged shutdown.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your inverter.
- Cleaning: Periodically clean the exterior of the inverter with a dry, soft cloth. Do not use liquid cleaners or solvents.
- Ventilation: Ensure the cooling fan and ventilation openings are free from dust and debris. Use compressed air to clear blockages if necessary.
- Connections: Regularly check all DC and AC connections for tightness. Loose connections can cause resistance, heat, and power loss.
- Battery Health: Monitor your battery's health and charge level. A healthy battery is essential for inverter performance.
- Storage: If storing the inverter for an extended period, ensure it is clean, dry, and disconnected from all power sources. Store in a cool, dry place.
8. Troubleshooting
This section addresses common issues you might encounter with your inverter.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter does not turn on. | No DC input power; Loose battery connections; Blown fuse. | Check battery voltage; Tighten battery cables; Replace internal fuses (consult professional). |
| No AC output. | Inverter in protection mode (overload, low voltage, etc.); Appliance fault. | Check LCD display for error codes; Reduce load; Recharge battery; Test appliance on another power source. |
| Overload protection activated. | Connected load exceeds inverter's capacity. | Disconnect some appliances; Ensure total wattage is below 4000W continuous. |
| Low voltage alarm/shutdown. | Battery voltage is too low. | Recharge or replace the battery. |
| Overheat protection activated. | Poor ventilation; Excessive load; High ambient temperature. | Ensure proper ventilation; Reduce load; Allow inverter to cool down. |
| Remote control not working. | Inverter's main switch is ON; Remote battery low; Out of range. | Ensure inverter's main switch is OFF for remote operation; Replace remote battery; Operate within 100m range. |
9. Specifications
| Feature | Specification |
|---|---|
| Model Number | JXK-4000W-BLACK |
| Continuous Power | 4000 Watts |
| Peak Power | 8000 Watts |
| DC Input Voltage | 12V DC |
| AC Output Voltage | 110V / 120V AC |
| Output Waveform | Pure Sine Wave |
| Output Frequency | 60Hz |
| Efficiency | >90% |
| Product Dimensions | 11.02 x 8.07 x 6.02 inches (280 x 205 x 153 mm) |
| Item Weight | 16.72 pounds |
| AC Outlets | 4 (15A each) |
| USB Ports | Dual USB (2x 0~3.4A) |
| Type-C Ports | Yes |
| Cooling | Smart Cooling Fan |
| Recommended Uses | Recreational Vehicle, Travel, Camping, Home, Off-Grid Solar System, Car |
10. Warranty and Support
JARXIOKE provides a 24-month warranty for each inverter. If you encounter any issues or have questions regarding your product, please do not hesitate to contact us via email. Our customer support team is ready to assist you.

Image: An overview of JARXIOKE's commitment, highlighting 24 months of maintenance, FCC certification, friendly customer support, and the convenience of wireless remote control.
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