An inverter is very necessary for any situation doesn’t matter whether you are on a road trip in your RV or camping outside. It helps you establish a reliable source of AC electricity for all your devices and appliances. There are many inverters in the market but the 3000-watt inverters are excellent at converting a 12V battery’s DC electricity into 120V AC. With this in mind let’s learn about the best 3000 watt inverter. Apart from this, we’ll also discuss what a 3000 watt inverter can power, what is the price of a 3000 watt inverter, etc.
What is an Inverter?
An inverter is a device that converts the DC voltage into an AC voltage. Mostly, the input DC voltage is usually lower while the output AC is equal to the grid supply voltage which is either 120 volts or 240 volts depending on the country.
The inverter may be built as a standalone device to provide a backup power supply for batteries that are charged separately. It may also be for applications like solar power.
Based on the shape of the switching waveform, there can be different types of inverters. They have varying efficiencies and configurations. Moreover, they also have their share of pros and cons.
An inverter is responsible for providing ac voltage from dc power sources. It is thus very useful in powering electrical equipment and electronics rated at the ac mains voltage. Additionally, they are used in the switched-mode power supply inverting stages. The waveform, switching technology and switch type, frequency, and output waveform classify the circuits. Now that you have learned about the basics of inverters, let’s finally indulge to learn about the best 3000 watt inverter.
8 Best 3000 Watt Inverter
Inverters are responsible for converting DC voltage into AC voltage. There are numerous 3000 watt inverters in the market but because of so many options people are always confused when choosing the best 3000 watt inverter. This list here will give guide you about the best 3000 watt inverter 12v, best 3000 watt inverters, and best pure sine wave power inverter 3000w.
1. SL Euthtion (pure sine wave inverter)

The SL Euthtion is one of the best pure sine wave power inverter 3000w. It produces a clean output current which is similar to the grid electricity produced through two AC outlets (110V). Due to this feature, the inverter will preserve your appliances and they won’t overheat.
Additionally, this inverter has a high-power link port at its front. It is for demanding applications like water pumps, AC, etc. The inverter also has a wireless remote control and monitoring screen. The screen displays the batteries remaining power.
This inverter comes with spare fuses and electric cables. It is well-priced and comes with quality products. Its only con is that it has a 1-year warranty.
2. Voltworks (pure sine wave inverter)

This versatile Voltworks inverter is one of the best 3000 watt inverters on the market. It has 4 outlets (110V) via which it delivers clean AC power. It is quite capable of powering multiple devices at the same time.
Additionally, to charge your electronic devices it features two USB plugs. It also has a high-power output plus for demanding applications like water pumps, AC, and the like.
To provide useful information like the battery’s state of charge, this inverter also comes with a clear LCD screen. It also has a wired remote control. Moreover, this device is covered by AIG insurance for 18 months. Its only con is being pricey and bulky.
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3. Renogy (pure sine wave inverter)

This Regony pure sine wave power inverter 3000w is one of the best 3000 watt inverters in the market. It’s known for being innovative and has quite high-quality parts.
This inverter delivers clean AC through 3 outlets (110V) and its efficiency can go as high as 90%. Additionally, it also features a USB plug for your electronic gadgets.
This 3000 watt inverter 12V pure sine wave inverter accepts all kinds of 12V batteries. Moreover, to ensure the high safety of your devices this inverter also includes protections. It comes with a wired remote control to pilot the device easily.
Regongy products are known for their great design and robustness. If you go for this inverter, you’ll get a durable product at a reasonable price. This inverter comes with a 2-year warranty. The only con of this inverter is that it comes with only a basic wired remote control and no monitor screen.
4. Energizer (modified sine wave inverter)

Energizer is quite a reliable battery brand and it also produces one of the best 3000 watt inverters in the market. Energizer inverters have the ability to handle inductive loads like water pumps, refrigerators/freezers, and power tools.
On top of that, to have protection against overheating, low/high voltage, and overload, these inverters also feature safety equipment.
You can charge your USB gadgets at the front of the device and plug your AC appliances into the two AC outlets (110V ). Additionally, it has an LCD screen through which you can monitor the input voltage and power output. It has convenient US-based customer service and comes with a 2-year warranty. Its major con is that it doesn’t come with any remote control or installation kit.
Also Read: Can You Connect Inverters in Series?
5. Krieger (modified sine wave inverter)

The Krieger inverter is one of the best 3000 watt inverters. Although it doesn’t offer a wide variety of features like other inverters in the market, it’s still among the best cause of its high-quality materials.
It comes with an LCD front screen that perfectly displays the input DC voltage and output power. On top of this, it has multiple protections against overheating, overload, and low/high voltage. It’s a very long-lasting inverter and it comes with a 3-year warranty.
6. Cobra CPI (modified sine wave inverter)

This Cobra inverter delivers about 3000 W of power. It has four 120V AC outlets to access this power. Additionally, it has two USB-A/USB-C plugs, which help you easily charge your USB devices.
It comes with a remote control that allows you to monitor your power outputs and inverter inputs while you are charging your USB devices through two extra USB plugs.
Additionally, this inverter has multiple safety features to provide efficient protection to your devices. It’s also one of light smallest and lightest 3000 W inverter.
Also See: Can You Run Inverters in Parallel?
7. Victron Energy MultiPlus 3000VA

Victron Energy is a very well-reputed manufacturer of power equipment. They have manufactured one of the best 3000 watt inverter, Victron Energy MultiPlus 3000VA. It is a unique inverter that uses a mains-style adapter to provide power. Īt is capable of powering an entire building, however, with a maximum of 3000 watts. It has a cooling fan and an adapter on the back of its blue aluminum housing.
The overall size of this inverter unit is 14.25 inches tall, 8.58 inches thick, and 10.16 inches wide. Its weight is around 11.19 pounds. It has a flange on its base for screw mounting. It also has two rows of indicator lights and a control switch. Using this switch, you set the unit to supply DC power only or to supply AC power. It also has a set of DC power terminals at the back of the housing.
This inverter has a few noticeable features like its in-built power assist function which ensures that there isn’t any overload in limited AC power sources, such as generators. You can also use this inverter in a backup mode.
Upon grid failure, this inverter can immediately switch over from AC to DC power. You can also run 6 of these inverters in parallel and get a supply of about 18,000 watts of power which is enough to run an entire house.
8. PGINVER 3000W Power Inverter

Compared to other inverters, PGINVER 3000W Power Inverter has a flatter and wider design than the others. The all-black aluminum housing measures 14.96 inches long, 3.54 inches thick, and 7.87 inches wide. It has DC terminals situated at the back top and the fans are placed underneath them.
The inverter has an LCD display at its front center which shows the current status of the inverter’s systems. It shows battery charge level, outgoing as well as incoming voltage, and wattage. It also shows error messages. There’s a single USB port and a power switch below this display. There are a pair of three-prong AC outlets towards the left. On the other hand, there’s a set of high-powered AC terminals towards the right.
This inverter has a replaceable fuse and it also comes with a set of 12 extras. Additionally, you get a wireless remote with a 33-foot range. Just like other inverters, this inverter also has an LCD display. A USB cable is needed to charge the controller and this cable also comes with the package.
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What is a Pure Sine Wave Inverter?
The kind of inverter that produces an output waveform that closely resembles a sine wave, a continuous, smooth waveform oscillating between positive and negative values is referred to as a pure sine wave inverter. This inverter is extremely suitable for powering sensitive electronic devices like computers, televisions, and audio equipment.
What is a Modified Sine Wave Inverter?
The modified sine wave inverter is a type of inverter that produces an output waveform that is a modified sine wave or a square wave. This waveform isn’t as continuous and smooth as pure sine wave inverters. Thus, for some sensitive electronic devices, this kind of inverter may cause problems. Generally, these inverters are less complex and expensive than pure sine wave inverters.
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Which 3000W Pure Sine Wave Power Inverter is Best?

If you specifically want a 3000W Pure Sine Wave Power Inverter, then going through this answer will perfectly simplify the choosing process for you.
1. Victron Energy MultiPlus 3000VA
This Victron Energy inverter is a unique inverter choice as it puts out AC and DC power. It allows you to charge batteries as well as supply AC mains power. It’s not recommended to use this inverter to run individual devices. However, if you need to supply backup power to an off-grid system or an entire house, it’s a great choice.
2. Renogy 3000W Pure Sine Wave Inverter
This Renogy inverter comes with a trio of AC outlets. It also provides high-powered AC terminals and a pair of USB ports. Its most impressive feature is its 6000-watt surge capacity which is far more than other such inverters in the market.
3. VOLTWORKS 3000W Inverter
This VOLTWORKS 3000 inverter has the insane surge capacity as that of the Renogy inverter. However, it’s still one of the best 3000W Pure Sine Wave Power Inverters. It has a total of 4 AC outlets, the highest number among other inverters. This is a very good inverter option unless you are required to power very high-powered equipment. It comes with an 18-month warranty, which is the longest warranty among the other inverters discussed here.
4. PGINVER 3000W Power Inverter
The PGINVER 3000W power inverter is one of the best 3000W Pure Sine Wave Power Inverter. Although it only has 2 AC outlets but is very affordable. It comes with a great display and a wireless controller. You’ll be happy to use this inverter if you only need a couple of outlets.
What Appliances Can a 3000-Watt Inverter Run?

Before learning about the appliances run by a 3000-watt inverter, you should learn that there are two types of appliance loads. They are resistive loads (TV, water heater, laptop, etc) and inductive loads ( power tools, refrigerator, air-conditioning, water pump, etc).
Inductive loads need more power to start than their provided rating power. Based on the appliance, it may even need up to 50% more power to start. On the other hand, resistive loads stick to their rated power. Thus, it is advised that you should always oversize your inverter compared to the power ratings of the appliances you want to plug in.
That being discussed, a 3000-watt inverter is capable of running many appliances simultaneously. It can run an electric fan, freezer/refrigerator (standard size), TV, laptop, small water pump, etc.
Also Read: How to Wire a 5000 Watt Inverter?
What is the Average Cost of a 3000-Watt Inverter?
Generally, a 3000-watt modified sine wave inverter can cost you anywhere around $200 and $300 dollars. On the other hand, the price of a 3000-watt pure sine wave inverter is about $300 to $400.
Can a 3000-Watt Inverter Run My Home?
Well, yes, it’s a great idea to choose a 3000-watt inverter for your home’s backup power source. The inverter just needs to be coupled with the correct batteries. You should use 12V, 300Ah, LiFePO4 batteries with your 3000 watt inverter.
What Size Wire Does a 3000-Watt Inverter Need?
You will need wires for the DC and AC input of your 3000 watt inverter. The AC outlets of such inverters deliver up to 1500W. For demanding loads, you’ll need to use a power outlet with electric wires of 10 AWG. Here, the current can reach near to 27 Amps.
For the DC input, a 0 to 3 AWG pure copper wire is required. The DC current can reach up to 250 amps if you want to use your inverter to its maximum capacity. Thus, your cable also needs to be thick.
Is My 3000-Watt Inverter Overheating?
If you find your 3000-watt inverter hot while working, don’t panic, it’s totally normal. Since inverters have a 90% efficiency, about 10% of the input power is lost as heat. Your inverters get hotter when more power is going through them.
Interestingly, an inverter’s temperature can reach as high as 60°C. If the temperature of the inverters becomes abnormally high (above 65°C), they will shut down.
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Do I Need 3000 watts?
Well, 3000 watts is a quite significant amount of power, and it’s okay for you to be dilemmatic about whether you need 3000 or not. To find out the answer to this question, you’ll need to first get a clear idea of the total wattage of everything you want to plug in. Depending on what you are plugging, this can get tricky. However, most devices come with a plaque or a sticker displaying their operating wattage. So, just add the wattage of all the devices you want to plug in and you’ll find the total output wattage.
After the first step, you need to have some margin for error, the devices may malfunction or they may have a spike in power. Add a margin of about 20% so that you don’t run into trouble. For example, you have added up your devices and you found that they draw about 1000 watts. You should an extra 20% to this, and assume that the devices will need 1200 watts. This way, even if there is an increased power draw, you won’t run out of wattage.
Another thing you should keep in mind is the efficiency of the inverter. The inverters face varying conditions and they don’t always run at their peak efficiency. Their efficiency can drop around 70 and 90 percent during cold weather. When a 3000 watt inverter runs at 90% efficiency, it will actually output 2700 watts. On the other hand, at 70% efficiency, the inverter will only output 2100 watts. This is why inverter efficiency is as important as raw wattage.
Another thing you need to be careful about is the wattage ratings on your device. It has been seen that some devices draw more power than their actual rating. For instance, for a 700-watt inverter, you may think that it draws only 700-watt but that is just the ordinary running wattage and not the starting wattage. Microwaves draw more wattage when they start. This is not just the case with microwaves, in fact, most compressor-driven appliances like AC units, refrigerators, etc also display this behavior.
If after going through all these points you think you need a 3000 watt inverter then our best 3000 watt inverter will help you choose a good one. However, if you think you don’t want to go for a 3000-watt inverter, there are many other options in the market, like a 1000-watt inverter, 2000-watt inverters, and the like. Choose what suits your power needs
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