1. Sarrera
This manual provides essential information for the safe and efficient operation of your DATOUBOSS Hybrid Solar Inverter 1800W 12V Pure Sine Wave. This advanced inverter is designed to provide clean and stable electricity, protecting sensitive equipment. It is ideal for various off-grid applications such as RVs, camping, home backup systems, and remote cabins. The inverter converts 12V DC power from batteries or solar panels into 230V AC power for household appliances.
Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
2. Segurtasun-argibideak
OHARRA: Segurtasun-jarraibide hauek ez betetzeak deskarga elektrikoa, sutea, lesio larriak edo heriotza eragin ditzake.
- Instalazio-ingurunea: Install the inverter in a dry, well-ventilated area, away from direct sunlight, heat sources, and flammable materials. The inverter is not waterproof and must be used in indoor, waterproof environments.
- Konexio elektrikoak: All electrical connections must be performed by qualified personnel in accordance with local electrical codes and regulations. Ensure all cables are correctly sized and securely connected.
- Bateriaren segurtasuna: Work with batteries carefully. Wear eye protection and protective clothing. Do not short-circuit battery terminals. Ensure proper ventilation when charging lead-acid batteries.
- Lurreratzea: The inverter must be properly grounded to prevent electric shock.
- Deskonexioa: Before performing any maintenance or cleaning, disconnect all power sources (solar, battery, AC input) from the inverter.
- Haurrak: Keep the inverter and its components out of reach of children.
- Aireztapena: Ensure adequate airflow around the inverter to prevent overheating. Do not block ventilation openings.
3. Produktuaren ezaugarriak
- Uhin sinusoidal hutsaren irteera: Provides clean and stable AC power, suitable for sensitive electronics and appliances.
- Integrated MPPT Solar Charge Controller: Maximizes solar power harvesting by continuously optimizing the operating point of solar panels, increasing charging efficiency by up to 30%.
- LCD pantaila intuitiboa: Real-time monitoring of voltage, power, battery status, and operating mode. Features a user-friendly menu for quick setup and convenient use.
- Comprehensive BMS Protection System: Built-in safeguards against short circuit, overcurrent, overvoltage, azpiantage, overheating, and overload, ensuring maximum safety for the inverter and connected devices.
- Bateriaren bateragarritasuna: Supports various battery types including lead-acid, AGM, gel, and lithium (LiFePO4) batteries.
- Aplikazio polifazetikoa: Ideal for off-grid systems in RVs, vans, boats, garden houses, cabins, and as a reliable backup power source for essential appliances like refrigerators, coffee makers, lighting, TVs, fans, and power tools.
- Hozte-haizagailu adimenduna: Features intelligent variable speed fans that adjust speed based on ambient temperature and environmental conditions to maintain optimal performance and extend lifespan.
4. Zehaztapenak

Irudia: Gainetikview of the DATOUBOSS Hybrid Solar Inverter with its main features and specifications highlighted.

Image: Physical dimensions of the inverter, showing height, width, and depth in millimeters.
| Parametroa | Balioa |
|---|---|
| Eredua | DT-1218-A-EU |
| Potentzia nominala | 1800W |
| DC sarrerako bolumenatage | 12VDC |
| CA sarrera boltage | 230VAC, 50 / 60Hz |
| GRID/AC Output Voltage | 230VAC, 50 / 60Hz |
| Max. AC kargatzeko korrontea | 65A |
| Max. PV kargatzeko korrontea | 100A |
| Max. Charging Current (Total) | 100A |
| Max. PV sarrerako potentzia | 2500W |
| Gehienez PV sarrera boltage (Voc) | 300VDC |
| Gehienezko PV sarrerako korrontea | 15A |
| MPPT Jarraipen Barrutia | 30-240 VDC |
| PV sarrerako boltage | 180VDC |
| MPPT jarraitzaile kopurua | 1 |
| Babes Gradua | IP 20 |
| Degree Class | I. klasea |
| Pisua | 4 kg |
| Neurriak (W x H x D) | 250 mm x 333 mm x 91 mm |
| Vol. Baxuatage Babesa | 10.5V |
| Uharteen aurkako babesa | ≤2S |
| Zarata Maila | ≤55dB |
| Gainberotzearen babesa | 90°C |
| Bihurketa-eraginkortasuna | ≥%94 |
5. Konfigurazioa eta instalazioa
Proper installation is crucial for the safe and efficient operation of your hybrid solar inverter. Refer to the diagrams below for connection points.

Irudia: Aurrealdea eta albokoa views of the inverter, highlighting the LCD display, LED indicators, function buttons, and communication ports (RS485-1, RS485-2 for BMS).

Irudia: Xehetasun handikoa view of the inverter's connection terminals, including PV input, battery terminals, AC input, AC output, and grounding point.
5.1. Inbertsorearen muntaketa
- Choose a vertical mounting surface that can support the inverter's weight (4 kg).
- Ensure sufficient clearance around the inverter for proper ventilation (at least 15 cm on all sides).
- Mount the inverter indoors in a dry, waterproof environment. Avoid areas with high humidity, dust, or corrosive gases.
5.2. Konexio elektrikoak

Image: A comprehensive system diagram illustrating how solar panels, generator, mains power, and a battery connect to the inverter, which then powers various household appliances.

Image: A detailed diagram showing the specific terminals for battery, mains power, and solar panel connections, along with RS485 communication interfaces.
- Bateria konexioa:
- Connect the 12V battery bank (recommended 100/200/300Ah) to the battery terminals on the inverter. Ensure correct polarity (+ to + and - to -).
- Bateria boltage range should be 10.5-16Vdc.
- Solar Panel Connection (PV Input):
- Connect your solar panels to the Photovoltaic (PV) input connection socket.
- It is recommended to connect photovoltaic modules in series to increase the voltage.
- Ensure the solar voltage range (Vmp) is 30-240Vdc, with a maximum open-circuit voltage (Voc) of 300Vdc. Max PV input current is 15A.
- AC sarrerako konexioa:
- Connect the AC mains power or generator to the AC input terminal.
- The inverter accepts 230VAC, 50/60Hz.
- Korronte alternoko irteerako konexioa:
- Connect your household appliances to the AC output terminals.
- The inverter provides 230VAC, 50/60Hz pure sine wave output.
- Communication Ports (Optional):
- RS485-1: External Communication Interface (e.g., for WiFi module).
- RS485-2: Communication Interface for BMS (Battery Management System).
- Lurreratzea: Konektatu inbertsore-konexio fidagarri batera, lurreratze-terminal espezifikoa erabiliz.
5.3. Hasierako piztea
- Once all connections are secure, switch on the battery breaker first.
- Then, switch on the solar panel breaker (if applicable).
- Finally, switch on the AC input breaker (if applicable) and the inverter's main power switch.
- Observe the LCD display and LED indicators for normal operation.
6. Funtzionamendu-argibideak

Image: Close-up of the inverter's LCD display, LED indicators (AC, INV, CHG, FAULT), and function buttons (DOWN, ESC, ENTER, UP).

Image: Visual representation of the inverter's four charging modes (Mains priority, Solar priority, Mixed loading, Solar only) and three discharge modes (SUB Solar First, USB Utility First, SBU Priority).
6.1. LCD Display and Buttons
The LCD display provides real-time information about the inverter's status. Use the function buttons to navigate menus and adjust settings.
- LCD pantaila: Shows input/output voltage, power, battery charge level, operating mode, and error codes.
- LED adierazleak:
- AC: Indicates AC input status.
- INV: Inbertsorearen funtzionamendu-egoera adierazten du.
- CHG: Bateriaren kargatze-egoera adierazten du.
- AKATS: Indicates an error or fault condition.
- Funtzio-botoiak:
- BEHERA: Menuetan behera nabigatzen edo balioak txikitzen ditu.
- ESC: Exits current menu or cancels an action.
- SARTU: Hautapena berresten du edo menu batera sartzen da.
- GORA: Menuetan gora nabigatzen du edo balioak handitzen ditu.
6.2. Funtzionamendu moduak
The inverter offers various charging and discharge modes to optimize energy use based on your preferences and available power sources.
Kargatzeko moduak:
- Lehentasun nagusia: The inverter prioritizes charging from the AC mains power. Solar power is used if mains power is unavailable or insufficient.
- Eguzki-lehentasuna: The inverter prioritizes charging from solar panels. AC mains power is used only if solar power is insufficient.
- Mixed Loading: Combines solar and AC mains power for charging, optimizing efficiency.
- Eguzkia bakarrik: The inverter charges batteries exclusively from solar panels.
Discharge Modes:
- SUB Solar First (Default): Prioritizes solar power for loads, then battery, then utility.
- USB Utility First: Prioritizes utility power for loads, then solar, then battery.
- SBU Priority: Prioritizes solar power for loads, then utility, then battery.
Refer to the inverter's LCD menu for detailed settings and configuration of these modes.
7. Mantentzea
Regular maintenance ensures the longevity and optimal performance of your DATOUBOSS Hybrid Solar Inverter.

Image: Close-up of the inverter's intelligent variable speed fans, which adjust based on temperature to ensure efficient cooling.
- Garbiketa: Periodically clean the exterior of the inverter with a dry, soft cloth. Ensure ventilation openings are free from dust and debris. Do not use liquid cleaners or solvents.
- Konexioen egiaztapena: Regularly inspect all electrical connections (battery, solar, AC input/output) for tightness and corrosion. Loose connections can cause overheating and damage.
- Aireztapena: Ensure the intelligent cooling fans are operating correctly and that there is unobstructed airflow around the unit.
- Ingurumen-baldintzak: Verify that the inverter is operating within its specified temperature and humidity ranges.
- Bateriaren ikuskapena: If using lead-acid batteries, check electrolyte levels and terminal condition as per battery manufacturer guidelines.
Always disconnect all power sources before performing any maintenance.
8. Arazoak
The DATOUBOSS Hybrid Solar Inverter is equipped with a comprehensive protection system to ensure safe operation. If an issue occurs, the inverter's LCD display may show an error code, and the FAULT LED will illuminate.

Image: Visual representation of the inverter's complete protection features, including overvoltage, bolumen baxuatage, short circuit, overload, overheating, and reverse polarity protection.

Image: Another diagram detailing the inverter's comprehensive protection, including short circuit, overload, over current, high voltage, liburuaren gaineantage, over temperature, under voltage, and over charge protection.
Ohiko arazoak eta irtenbideak:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Inbertsoreak ez du pizten | No battery power; loose battery connections; inverter switch off. | Egiaztatu bateria bolumenatage and connections. Ensure inverter power switch is ON. |
| AC irteerarik ez | Overload; short circuit; low battery voltage; inverter fault. | Reduce load. Check for short circuits in wiring. Charge battery. Check LCD for error codes. |
| Bateria ez da eguzki-argitik kargatzen | Insufficient solar input; incorrect PV connections; MPPT controller fault. | Check solar panel connections and sunlight. Verify PV input voltage is within range (30-240VDC). |
| Gehiegizko berotze abisua | Blocked ventilation; excessive ambient temperature; internal fan failure. | Ensure clear airflow around the inverter. Reduce ambient temperature. Contact support if fan is not working. |
| LCD-ko errore kodea | Sistemaren akats espezifikoa. | Refer to the full product manual (if available) for a list of error codes and their corresponding solutions. |
If you encounter persistent issues or error codes not listed, please contact customer support.
9. Bermea eta Laguntza
For warranty information, please refer to the documentation provided with your purchase or contact your retailer. DATOUBOSS is committed to providing reliable products and customer satisfaction.
Bezeroarentzako laguntza:
If you have any questions, require technical assistance, or need to report an issue, please contact DATOUBOSS customer support through the following channels:
- Sarean: Visit the official DATOUBOSS weblaguntza baliabideen eta harremanetarako formularioen gunea.
- Posta elektronikoa: Refer to your product packaging or purchase invoice for the customer service email address.
- Txikizkaria: Jarri harremanetan produktua erosi zenuen dendariarekin.
Please have your product model number (DT-1218-A-EU) and purchase date ready when contacting support.