Introduction
This manual provides essential instructions for the safe and efficient operation of your PNI L1200W Power Inverter. Please read this manual thoroughly before using the device and retain it for future reference. The PNI L1200W converts 12V DC power from a vehicle battery into 230V AC power, suitable for various household appliances and electronic devices.
Safety Instructions
Always observe the following safety precautions to prevent injury or damage to the inverter and connected devices:
- Do not open the inverter casing. There are no user-serviceable parts inside.
- Ensure proper ventilation around the inverter. Do not block ventilation openings.
- Keep the inverter away from water, moisture, and flammable materials.
- Connect the inverter directly to a 12V vehicle battery. Do not connect to a 24V system or household AC power.
- Ensure the total power consumption of connected devices does not exceed the inverter's continuous output power (1200W).
- Always connect the inverter to the battery before turning it on. Disconnect devices before turning off the inverter.
- Use appropriate cables for connection to the battery. The recommended cable size is a minimum of 4 mm².
- Avoid short circuits. Ensure correct polarity when connecting to the battery (red to positive, black to negative).
Product Overview
The PNI L1200W Power Inverter is designed to provide reliable AC power on the go. Key features include:
- Continuous Output Power: 1200W
- Input Voltage: 12V DC
- Output Voltage: 230V AC
- Output Waveform: Pure Sinusoidal Wave
- Output Sockets: 1 x 230V AC socket, 1 x USB 2.0 port (5V/1000mA)
- Protection: Overload protection
- Cooling: Active cooling with fan

Figure 1: Front view of the PNI L1200W Power Inverter, showing the red casing and blue label.
Setup
Follow these steps to set up your PNI L1200W Power Inverter:
- Prepare the Battery: Ensure the 12V vehicle battery is fully charged and in good condition.
- Position the Inverter: Place the inverter in a dry, well-ventilated area, away from direct sunlight, heat sources, and flammable materials. Ensure there is sufficient space around the unit for air circulation.
- Connect to Battery:
- Connect the red positive (+) cable from the inverter to the positive (+) terminal of the 12V battery.
- Connect the black negative (-) cable from the inverter to the negative (-) terminal of the 12V battery.
- Ensure all connections are tight and secure to prevent arcing or overheating.

Figure 2: Rear view of the inverter showing the 12V DC input terminals for battery connection.
- Verify Connections: Double-check all connections for correct polarity and tightness.
Operating Instructions
Once the inverter is properly connected to the battery:
- Power On: Locate the power switch on the inverter's front panel and switch it to the "ON" position. The power indicator light should illuminate.
- Connect AC Devices: Plug your 230V AC appliances into the AC socket on the inverter. Ensure the total wattage of all connected devices does not exceed 1200W.
- Connect USB Devices: For charging USB-powered devices, plug them into the 5V USB 2.0 port.
- Power Off: When finished, first disconnect all appliances from the inverter. Then, switch the inverter's power switch to the "OFF" position. Finally, disconnect the inverter from the battery.

Figure 3: Front panel of the inverter, showing the 230V AC socket, USB port, and power switch.
Maintenance
To ensure the longevity and optimal performance of your PNI L1200W Power Inverter:
- Keep the inverter clean and free from dust and debris. Use a dry cloth for cleaning.
- Regularly check the battery connections for tightness and corrosion. Clean terminals if necessary.
- Ensure the ventilation fans are not obstructed and are functioning correctly.
- Store the inverter in a cool, dry place when not in use.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No output power | Inverter not turned on, loose battery connection, low battery voltage, overload. | Turn on the inverter. Check battery connections. Recharge or replace battery. Reduce load. |
| Overload indicator active | Connected devices exceed 1200W. | Disconnect some devices to reduce the load. Restart the inverter. |
| Inverter shuts down | Overheating, low battery voltage, overload. | Ensure proper ventilation. Recharge battery. Reduce load. |
| Fan not operating | Normal operation (fan activates under load/temperature), fan malfunction. | The fan operates automatically. If the inverter overheats and the fan is not running, contact support. |
Specifications
| Feature | Value |
|---|---|
| Model Name | L1200W |
| Continuous Output Power | 1200 W |
| Maximum Output Power (short time) | 2400 W |
| Input Voltage | 12V DC |
| Output Voltage | 230V AC |
| Output Current | 6 A |
| Maximum Output Current (short time) | 10 A |
| USB Port Output | 5V / 1000mA |
| Efficiency | 85% |
| Output Waveform | Pure Sinusoidal Wave |
| Connections | 1 x 230V socket, 1 x USB 2.0 |
| Product Dimensions | 20.8 x 10.7 x 7 cm |
| Weight | 1.91 kg |
| Included Components | Power inverter, connection cables |

Figure 4: PNI L1200W Power Inverter with included connection cables.
Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official PNI website or contact your retailer. The manufacturer is Onlineshop Srl.
Official product page: PNI L1200W Product Page





