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    4000W Marine Power Inverter

    4000 watt marine power inverter is used for new energy vessels such as yachts, cruise ships, pontoons, and sightseeing ships. 120V input DC voltage, 33V input DC current, 50Hz or 60Hz frequency and 110/120/220/230/240V output AC voltage for selection. Quality boat inverter can invert the DC power from the ship's lithium or lead-acid batteries into AC power to meet the ship's power needs.
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    Delivery date: 6-12 days

    Buy a 4000W power inverter for boat,  available with 120V input DC voltage, 33V input DC current, 110/120/220/230/240V output AC voltage, 50Hz or 60Hz frequency, and communication interface RS485. This marine inverter can convert the battery (DC power) on board into AC power for common electrical equipment on board.


    • 4000 watt marine inverter utilizes the U.S. DSP28335 control chip for fast running speed and high precision, with a conversion efficiency of over 92% and a built-in industrial frequency isolation transformer for strong anti-interference and impact resistance.
    • The boat inverter is equipped with over-voltage, over-current, short-circuit, and overheating warning devices, along with frequency conversion starting and reduced voltage soft start functions, suitable for high-power motor startups.
    • Good price marine power inverter features an LCD and LED alarm indicators for easy operation, provides a pure output waveform with less than 3% distortion, and supports single-phase power supply with output voltage range of 110/120/220/230/240V AC.


    Model ATO-SDP-4KW
    Isolation Mode Low-Frequency Transformer
    DC Input Voltage Range (V DC) 120V (Contact Us for Other Voltage)
    Rated Current(A) 33A (Contact Us for Other Current)
    AC Output Rated Output Power 4kW (4000 watt)
    Output Waveform Pure Sine Wave
    Rated Voltage 110/120/220/230/240V AC (Optional)
    Phases Single Phase
    Rated Current (A) 18A
    Frequency 50Hz or 60Hz
    Rated Output Voltage Range (V) 110/120/220/230/240V AC (Optional)
    Power Factor (PF) 0.99
    Overload Ability 150%, 5 seconds
    Efficiency >93%
    Waveform Distortion Rate (THD) <3% (Linear load)
    Dynamic Response (0 to 100% Load) 5%≤50ms
    Display LCD
    Running Mode Working Continuously
    Electrical Insulation Properties 2000V AC, 1min
    Communication Interface RS485 (Optional)
    Protection Function Protection Input Reverse Polarity, Under Voltage, Overvoltage, Output Over current, Shortcircuit, Overheating, etc.
    Cooling Method Fan-cooled
    Short-circuit Protector No Automatic Recovery Need to Restart the Machine
    Noise (1m) ≤50dB
    Degree Of Protection IP20 (Indoor)
    Working Altitude (m) ≤2000
    Working Temperature -25~+55℃
    Relative Humidity 0~90% (Non-Condensing)
    Rack Mounted Type Depth*Width* Height 435*605*267mm
    Stand Type 450*550*760mm


    Marine power inverter applications

    Tips: What can a marine inverter do?

    The marine inverter is a crucial device in marine applications that converts direct current (DC) from a boat’s battery system into alternating current (AC), which is used to power standard household appliances and electronics. This conversion is essential for boats that need to run devices like microwaves, refrigerators, televisions, and other AC-powered equipment when not connected to shore power. The inverter ensures a smooth and reliable power supply, enabling the use of these appliances during long voyages or while anchored away from docks with electrical hookups.

    Beyond powering household appliances, marine inverters also play a critical role in enhancing the overall functionality and comfort of marine vessels. They often come equipped with additional features such as battery charging capabilities, surge protection, and remote control operation. High-quality inverters can manage power more efficiently, reducing energy waste and extending battery life, which is vital for long-term sustainability on the water. By providing consistent and reliable AC power, marine inverters contribute significantly to the safety, convenience, and enjoyment of life on board.

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