1. Introduction
This manual provides essential information for the safe and efficient operation of your DATOUBOSS 1200W Pure Sine Wave Inverter. Please read it thoroughly before installation and use, and retain it for future reference.
The DATOUBOSS 1200W Pure Sine Wave Inverter converts 12V DC battery power into 230V AC household power, suitable for various electronic devices and appliances. Its pure sine wave output ensures compatibility with sensitive electronics, providing stable and clean power comparable to the utility grid.
2. Safety Instructions
WARNING: Failure to follow these safety instructions may result in electric shock, fire, serious injury, or death.
- Ventilation: Ensure adequate ventilation around the inverter. Do not block ventilation openings.
- Environment: Operate the inverter in a dry, well-ventilated area, away from direct sunlight, heat sources, flammable materials, and moisture.
- Connections: Always connect the inverter to a 12V DC power source. Ensure all connections are tight and correct polarity is observed (positive to positive, negative to negative). Loose connections can cause overheating.
- Grounding: The inverter should be properly grounded.
- Load Capacity: Do not exceed the inverter's rated continuous power output of 1200W. Overloading can damage the inverter and connected devices.
- Children: Keep the inverter out of reach of children.
- Maintenance: Do not attempt to disassemble or modify the inverter. Refer all servicing to qualified personnel.
- Emergency: In case of smoke, unusual odors, or abnormal operation, immediately disconnect the inverter from the power source and connected devices.
3. Package Contents
Verify that all items are present in the package:
- DATOUBOSS Pure Sine Wave Inverter (1 unit)
- Battery Connection Cables (2 units)
- Instruction Manual (1 unit)
4. Product Features
- Pure Sine Wave Output: Provides stable and clean AC power, ideal for sensitive electronics.
- High Power Output: 1200W continuous power, 2500W peak power.
- High Conversion Efficiency: Greater than 92.8% efficiency, reducing power loss.
- LCD Display: Real-time display of input voltage, output voltage, power, frequency, and battery level.
- Comprehensive Protection: Includes under-voltage, over-voltage, over-temperature, overload, short-circuit, and reverse polarity protection.
- Soft-Start Technology: Enables smooth startup for inductive loads.
- Efficient Cooling System: Integrated fan for rapid heat dissipation.
- USB Charging Port: 5V 2.1A USB output for charging mobile devices.
- Durable Construction: Robust aluminum casing for physical protection and enhanced cooling.

Image: Front view of the DATOUBOSS 1200W Pure Sine Wave Inverter, showing the main unit.

Image: Diagram illustrating the comprehensive protection features of the inverter, including under-voltage, over-voltage, over-temperature, overload, short-circuit, and leakage protection.
5. Setup
- Placement: Choose a dry, cool, and well-ventilated location for the inverter. Ensure there is sufficient space around the unit for airflow, especially around the fan openings.
- Battery Connection:
- Ensure the inverter's power switch is in the "OFF" position.
- Connect the red battery cable to the positive (+) terminal of the inverter and the positive (+) terminal of your 12V battery.
- Connect the black battery cable to the negative (-) terminal of the inverter and the negative (-) terminal of your 12V battery.
- Tighten all connections securely to prevent loose contacts, which can cause sparks or overheating.
- Grounding: Connect the inverter's grounding terminal to a proper earth ground.
- Initial Check: After connecting, double-check all connections for correct polarity and tightness.

Image: Rear view of the inverter showing the positive and negative battery terminals and the cooling fan. Ensure proper connection of battery cables.

Image: Diagram showing compatibility with various 12V battery types, including AGM, GEL, FLD, and Li-ion batteries.
6. Operating Instructions
- Powering On:
- Once the inverter is securely connected to the battery, switch the inverter's power button to the "ON" position.
- The LCD display will illuminate, showing the input voltage, output voltage, and other operational parameters.
- Connecting AC Devices:
- Plug your 230V AC appliances into the European standard AC outlet on the inverter.
- Ensure the total power consumption of all connected devices does not exceed 1200W.
- For inductive loads (e.g., motors, compressors), consider their startup surge power, which can be significantly higher than their running power. The inverter has a 2500W peak power capacity.
- Using the USB Port:
- Connect your USB-powered devices to the 5V 2.1A USB port for charging.
- Monitoring the LCD Display:
- The LCD provides real-time data:
- DC Input Voltage: Shows the battery voltage.
- AC Output Voltage: Displays the 230V AC output.
- Output Power: Indicates the current power consumption of connected devices.
- Frequency: Typically 50Hz.
- Battery Level Indicator: Provides an approximate battery charge status.
- The LCD provides real-time data:
- Powering Off:
- Before disconnecting the inverter, switch the inverter's power button to the "OFF" position.
- Disconnect all AC devices, then disconnect the battery cables.

Image: Front view of the inverter, highlighting the power switch, USB port, European AC outlet, and the LCD display for monitoring.

Image: Close-up of the USB interface and the continuous 1200W output capability, showing various appliances that can be powered.
7. Maintenance
- Cleaning: Regularly 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 to maintain optimal airflow.
- Connections: Periodically check battery cable connections for tightness. Loose connections can lead to power loss or overheating.
- Storage: If storing the inverter for an extended period, disconnect it from the battery and store it in a cool, dry place.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power output / Inverter not turning on |
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| Overload alarm / Inverter shuts down |
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| Over-temperature alarm / Inverter shuts down |
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| Low battery voltage alarm |
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9. Specifications
| Feature | Specification |
|---|---|
| Brand | DATOUBOSS |
| Model Number | DNG12V1200W-EU |
| Input Voltage | 12V DC |
| Output Voltage | 230V AC |
| Continuous Power | 1200W |
| Peak Power | 2500W |
| Output Waveform | Pure Sine Wave |
| Conversion Efficiency | >92.8% |
| USB Output | 5V 2.1A |
| Dimensions (L x W x H) | 35 cm x 18 cm x 10 cm |
| Color | Grey |

Image: Diagram showing the physical dimensions of the DATOUBOSS 1200W Pure Sine Wave Inverter.
10. Warranty and Support
The DATOUBOSS 1200W Pure Sine Wave Inverter comes with a 12-month manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use.
For technical assistance, troubleshooting, or warranty claims, please contact DATOUBOSS customer support. Our professional support team is available 24 hours a day to assist you.
Please refer to your purchase documentation or the DATOUBOSS official website for specific contact details.

Image: A customer support representative, symbolizing the available 24-hour support.