1. Introducció
This manual provides essential information for the safe and efficient operation of your DATOUBOSS 2000W 48V Pure Sine Wave Power Inverter. Please read these instructions carefully before installation and use. Keep this manual for future reference.
2. Instruccions de seguretat
Always observe the following safety precautions to prevent injury or damage to the inverter and connected devices:
- Ensure the inverter is connected to a 48V DC power source only. Connecting to an incorrect voltagi provocarà danys.
- Do not expose the inverter to rain, moisture, or extreme temperatures.
- Ensure adequate ventilation around the inverter to prevent overheating. Do not block the cooling fans.
- No obriu l'inversor casing. No hi ha peces a l'interior que l'usuari pugui reparar. Demaneu totes les tasques de manteniment a personal qualificat.
- Keep flammable materials away from the inverter.
- Always connect the ground wire properly before operation.
- Disconnect the power source before making any connections or disconnections.
Funcions de protecció
The inverter is equipped with multiple protection features to ensure safe operation:

Imatge 2.1: Six Protection Circuit Functions. This image displays the various safety mechanisms integrated into the inverter, including protection against low voltage, alt voltage, short circuits, overheating, overload, and reverse polarity connections.
- Volum baixtage Alarma: The buzzer sounds twice at 1 Hz intervals.
- Volum baixtage Protecció: The buzzer sounds continuously three times at 1 Hz intervals, and output is shut off.
- Volum baixtage Recuperació: Output automatically restores when voltage returns to safe levels, and the buzzer stops.
- Overvoltage Protecció: The buzzer sounds four times at 1 Hz intervals, and output is shut off.
- Overvoltage Recuperació: Output automatically restores when voltage returns to safe levels, and the buzzer stops.
- Protecció contra el sobreescalfament: At 80°C ±5°C, the buzzer sounds five times at 1 Hz intervals, and output is shut off.
- Protecció de sobrecàrrega: Automatic shutdown for 10 seconds, followed by automatic recovery for 5 seconds. If overload persists, it locks after three consecutive attempts.
- Protecció contra curtcircuits: Immediate shutdown for 1 second, then locks.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1 x DATOUBOSS 2000W 48V Pure Sine Wave Power Inverter
- 2 x Connection Cables (for DC input)
- 1 x Manual d'usuari (aquest document)
- 1 x comandament a distància
4. Producte acabatview
Familiaritzeu-vos amb els components del vostre inversor:

Imatge 4.1: Inverter Front Panel and Connections. This image highlights the various input/output ports, the digital display, power switch, ground wire connection, and the internal heat dissipation fans.
Característiques principals:
- Sortida d'ona sinusoïdal pura: Proporciona energia neta i estable adequada per a electrònica sensible.
- Sortida d'alta potència: Potència contínua de 2000 W, potència màxima de 4000 W.
- Ports de sortida múltiples: Two EU standard AC outlets, two 5V 2.1A USB ports, one QC3.0 fast charging port, and one Type-C port.
- Refrigeració eficient: Equipped with two intelligent cooling fans that activate based on temperature and load.
- Comandament a distància: Per a un funcionament còmode des de la distància.
- Pantalla digital: Mostra el volum d'entradatage, voltage, and other operational status.
5. Especificacions

Imatge 5.1: Inverter Dimensions and Pure Sine Wave Output. This image provides the physical measurements of the inverter and visually represents its pure sine wave technology for stable power delivery.
| Paràmetre | Valor |
|---|---|
| Número de model | DN03-48V-2000W |
| Volum d’entrada nominaltage | 48 V CC (40-60 V CC) |
| Volum de sortida nominaltage | 220-240V AC |
| Potència contínua | 2000 watts |
| Potència màxima | 4000 watts |
| Forma d'ona de sortida | Onda senyal pura |
| Waveform THD | ≤3% |
| Corrent sense càrrega | 0.8A |
| Eficiència de conversió | ≥90% |
| Sobrecàrrega d’entradatage Protecció | 60 V ± 0.3 V CC |
| Entrada Undervoltage Protecció | 40 V ± 0.3 V CC |
| Protecció contra el sobreescalfament | 80°C ±5°C |
| Mètode de refrigeració | Refrigeració per ventilador |
| Dimensions del producte (L x A x A) | 39 cm x 18 cm x 9.5 cm |
| Certificació del producte | CE, FCC, RoHS |
| Color | Negre |
6. Instal·lació i configuració
Seguiu aquests passos per a una instal·lació correcta:
- Trieu una ubicació: Select a dry, well-ventilated area away from direct sunlight, heat sources, and flammable materials. Ensure sufficient space around the inverter for airflow.
- Muntatge: Securely mount the inverter on a stable surface using appropriate fasteners.
- Connexió d'entrada de CC:
- Assegureu-vos que l'interruptor d'alimentació de l'inversor estigui apagat.
- Connect the supplied DC cables to the inverter's DC input terminals. Ensure correct polarity: red cable to positive (+), black cable to negative (-).
- Connect the other ends of the DC cables to your 48V battery bank. Again, ensure correct polarity. Tighten all connections securely to prevent loose contacts and arcing.
- Posada a terra: Connect the inverter's ground terminal to a reliable earth ground using a suitable ground wire. This is crucial for safety.
- Engegada inicial: After all connections are secure, switch on the 48V DC power source (e.g., battery switch). Then, press the power button on the inverter or use the remote control to turn it ON. The display should illuminate, indicating operational status.
7. Instruccions de funcionament
Activació/desactivació:
- Encendre: Press the power button on the inverter or the ON button on the remote control. The display will show input/output voltage.
- Apagar: Press the power button on the inverter or the OFF button on the remote control. The display will turn off.
Connexió de dispositius de corrent altern:
The inverter provides two EU standard AC outlets. Ensure the total power consumption of your devices does not exceed 2000W.
- Plug your AC appliances into the AC outlets on the inverter.
- Turn on your appliances.
Ús dels ports de càrrega USB:
The inverter features two standard USB ports (5V 2.1A), one QC3.0 fast charging port, and one Type-C port.
- Connect your USB-compatible devices (e.g., smartphones, tablets) to the appropriate USB or Type-C port.
- The inverter will automatically provide power for charging.

Imatge 7.1: Wide Compatibility. This image illustrates the diverse range of appliances and devices that can be powered by the inverter, including laptops, coffee machines, and various household electronics.
Operació de control remot:
The included remote control allows you to power the inverter on and off from a distance, offering convenience, especially if the inverter is installed in a less accessible location.
- Point the remote control towards the inverter.
- Press the ON button to activate the inverter.
- Press the OFF button to deactivate the inverter.
8. Manteniment
Regular maintenance ensures optimal performance and longevity of your inverter:
- Neteja: Netegeu periòdicament l'exterior de l'inversor amb un drap sec i suau. No utilitzeu netejadors líquids ni dissolvents.
- Ventilació: Ensure the cooling vents and fans are free from dust and obstructions. The intelligent cooling fans help dissipate heat efficiently.
- Connexions: Regularly check all DC input and ground connections to ensure they are tight and free from corrosion.
- Emmagatzematge: If storing the inverter for an extended period, ensure it is clean, dry, and stored in a cool, well-ventilated area. Disconnect it from the power source.
9. Solució De Problemes
Consulteu la taula següent per veure els problemes habituals i les seves solucions:
| Problema | Causa possible | Solució |
|---|---|---|
| L'inversor no s'encén | No DC input power; Loose connections; Blown fuse (external) | Comproveu les connexions de la bateria i el voltage; Ensure cables are securely fastened; Check external fuses. |
| Volum baixtage Alarm/Protection (Buzzer sounds 2-3 times) | Bateria voltage too low (below 40V DC) | Recharge or replace the battery. Reduce load. |
| Overvoltage Protection (Buzzer sounds 4 times) | Vol d’entradatage too high (above 60V DC) | Check charging system or battery voltage. Disconnect from source if voltage és inestable. |
| Overheat Protection (Buzzer sounds 5 times) | Inverter is too hot (above 80°C) | Reduce load; Ensure proper ventilation; Clean cooling vents/fans. Allow to cool down. |
| Protecció de sobrecàrrega | Connected load exceeds 2000W continuous power | Reduce the total load by disconnecting some appliances. The inverter will attempt to restart. |
| Protecció contra curtcircuits | Short circuit in connected appliance or wiring | Disconnect all AC loads. Check appliances and wiring for short circuits. Restart the inverter. |
| No AC output, but inverter is ON | Appliance fault; Internal protection triggered | Check if the appliance is working correctly. Refer to protection functions above. |
If the problem persists after following these troubleshooting steps, please contact customer support.
10. Garantia i Suport
Garantia del fabricant:
This DATOUBOSS inverter comes with a Garantia del fabricant de 1 anys des de la data de compra. Aquesta garantia cobreix els defectes de materials i fabricació en condicions d'ús normal. No cobreix els danys causats per un mal ús, accidents, modificacions no autoritzades o instal·lació incorrecta.
Atenció al client:
For technical assistance, warranty claims, or any questions regarding your DATOUBOSS inverter, please contact the seller or manufacturer directly. Please have your product model number (DN03-48V-2000W) and proof of purchase available when contacting support.