Marine Inverter

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3000W Marine Inverter

ATO-MI-SDP-3KW

This 3000W marine inverter converts a 96V DC battery bank into single-phase pure sine wave AC (110/120/220/230/240V, 50/60 Hz) for yachts, sightseeing boats, pontoons, and other battery-powered vessels. A low-frequency isolation transformer, waveform distortion below 3%, 150% overload for 5 seconds, and a data-rich LCD make it a dependable onboard AC source.

$3,706.78

4000W Marine Inverter

ATO-MI-SDP-4KW

Designed for vessels that run several AC loads at once, this 4000W marine inverter turns a 120V DC battery bank into clean single-phase sine wave power in your choice of 110, 120, 220, 230, or 240V at 50 or 60 Hz. It combines an isolation transformer, under 3% waveform distortion, and a short-term 150% overload reserve, so air conditioning, galley equipment, and electronics can share one dependable AC supply.

$4,533.08

5000W Marine Inverter

ATO-MI-SDP-5KW

When a vessel's electrical system outgrows a mid-size inverter, this 5000W marine inverter steps in. It converts a 144V DC battery bank into single-phase pure sine wave AC at 110, 120, 220, 230, or 240V (50 or 60 Hz), delivering enough capacity for the heavy appliance loads of larger boats. An isolation transformer, distortion under 3%, and a 7.5 kW short-term surge reserve keep the supply stable when demand spikes.

$5,219.01

6000W Marine Inverter

ATO-MI-SDP-6KW

Sized for vessels with a serious electrical load, this 6000W marine inverter changes the power of a 192V DC battery bank into single-phase pure sine wave AC at 110, 120, 220, 230, or 240V (50 or 60 Hz). With 6 kW of continuous output, a 9 kW five-second surge reserve, and a galvanically isolated AC side, it can power an entire onboard system rather than just a handful of appliances.

$5,319.94

8000W Marine Inverter

ATO-MI-SDP-8KW

For vessels that want serious AC power without running a generator, this 8000W marine power inverter draws on a 216V DC battery bank and delivers single-phase pure sine wave output at 110, 120, 220, 230, or 240V (50 or 60 Hz). It provides 8 kW of continuous power and a 12 kW surge window of five seconds, making it a quiet, exhaust-free source for galley, climate control, and guest-area loads.

$5,443.22

10000W Marine Inverter

ATO-MI-SDP-10KW

At the top of the range, this 10000W marine inverter gives large battery-powered vessels a full 10 kW of single-phase AC from a 240V DC bank. Output is pure sine wave at 110, 120, 220, 230, or 240V (50/60 Hz), backed by a 15kW five-second surge reserve and an isolation transformer. It is built for boats where heavy appliances, climate control, and equipment loads all draw from the same system.

$6,638.53

Marine inverters convert DC power from a vessel's lithium or lead-acid battery bank into AC power, so onboard appliances, tools, and electronics can run without a generator. Inverter.com's product range covers six sizes from 3000W to 10000W, each with pure sine wave output, a built-in isolation transformer, an LCD, and selectable 110/120/220/230/240V output at 50 or 60 Hz. Choose based on your total simultaneous AC load and your battery bank voltage (96V to 240V).

Compare Marine Inverter Models

Model	Continuous Power	Battery Bank (DC)	DC at Full Load	5-Second Surge (150%)
3000W	3 kW	96V	about 31 A	4.5 kW
4000W	4 kW	120V	about 33 A	6 kW
5000W	5 kW	144V	about 35 A	7.5 kW
6000W	6 kW	192V	about 32 A	9 kW
8000W	8 kW	216V	about 37 A	12 kW
10000W	10 kW	240V	about 42 A	15 kW

All models offer single-phase output at 110, 120, 220, 230, or 240V AC, 50 or 60 Hz, with an optional RS485 interface. Other DC input voltages are available on request.

How to Choose a Marine Inverter?

List your AC loads. Write down every appliance, tool, and device that may run at the same time, with its running wattage.
Add them up and leave a margin. Total the running watts, then add roughly 20–30% so the inverter is not working at its limit.
Check starting surges. Pumps, fans, and compressors draw more current at startup. Each model supplies 150% of its rating for 5 seconds, so compare the motor's starting current with that figure.
Match the battery bank voltage. Each model supports one standard DC input, 96V to 240V. If your bank differs, contact us to discuss other input voltages.
Pick the output. Select 110, 120, 220, 230, or 240V and 50 or 60 Hz to match the equipment on board.

Marine Inverter Applications?

Yachts, catamarans, and houseboats: Air conditioning, galley equipment, entertainment systems, and everyday household loads.
Ferries, sightseeing, and passenger boats: Cabin systems, lighting, ticketing equipment, and passenger-service loads from the battery bank.
Fishing, aquaculture, and work vessels: Refrigeration, pumps, deck lighting, and tools.
Survey, research, rescue, and patrol craft: Instruments, computers, and communication equipment that need stable AC.
Floating hotels, restaurants, and platforms: Kitchen equipment, refrigeration, and guest loads without shore power.

Frequently Asked Questions

Q1: What is a marine inverter and what does it do?
A1: A marine inverter converts DC power from a vessel's lithium or lead-acid battery bank into AC power so that standard appliances, tools, and electronics can run on board. Our 3000W to 10000W models deliver single-phase pure sine wave output at 110, 120, 220, 230, or 240V and 50/60 Hz.
Q2: How do I choose the right size marine inverter?
A2: Add up the running watts of every AC load that may operate at the same time, then add a margin of about 20–30% and allow for motor starting surges. Each model supplies 150% of rated power for 5 seconds. Finally, match the inverter to your battery bank voltage.
Q3: Why choose a pure sine wave marine inverter?
A3: Pure sine wave output with distortion under 3% on linear loads is close to the quality of shore power. It lets sensitive navigation and communication electronics, chargers, and motor-driven appliances run smoothly.
Q4: Is the marine inverter waterproof?
A4: No. These models are rated IP20 for indoor use. The metal enclosure resists vibration and impact, but the inverter should be installed in a dry, ventilated compartment away from spray and direct sunlight.