If you are on this page, then you have already (or almost) decided on what capacity of the inverter you want. All you want to know is what is the best 3000 watt inverter available for your van, RV, Boat or off-grid solar power system.
First, let me say that the 3000 watt inverter is a good choice.
That’s the first good news. What you may need to know however is that there are over 30 different types of inverters in the market. An inverter can come in 4 main input voltages and 2 main output voltages. Don’t worry, if you don’t know all this, I will explain a little more later and you can read more about types of off-grid inverters.
If however you already know all these, then you can go straight to look at the top-selling inverters in these various categories.
Here is a list of the groups.
- Input Voltage – 12V, 24V, 36V, 48V
- Output Voltage – 110/120V or 220/240V
- Waveform – Pure sinewave or Modified Sinewave
- Design – Low-Frequency Pure sinewave or High-Frequency Pure sinewave
- Functionality – Inverter or Inverter Charger.
If you already know about inverters and you just want to compare the top inverters in the market then go ahead and pick from our list below. If however, you want to know your options, I suggest you read more 3000 watt inverters below. This is the most comprehensive guide you need to choose a 3000 watt inverter for your RV or off-grid home application.
3000 Watt Inverter with Input – 12V, Output – 110/120V
Top 3000 Watt Modified Sinewave Inverters Online
Please note that all these inverters have a continous power rating of 3000Watts and a Maximum surge of 6000 watts. They all take 12V input voltage.
The modified sinewave inverters are the cheapest. They are good for lights, some tools, and equipment that are not very sensitive. I have some videos below that explain this in detail. If you have sensitive equipment then buy a 3000 watt pure sinewave inverter.
The modified sinewave inverters are best for people who want to have power in their vans to operate power tools intermittently.
Top 3000 Watt Pure Sinewave Inverters Online (High Frequency)
Please note that all these inverters have a continuous power rating of 3000Watts and a maximum surge of 6000 watts. They all take 12V input voltage.
The Samlex America inverter is of the highest quality on this list. If you plan on running your inverter many hours every day and moving from place to place with it, then you can go wrong with the Samlex inverter.
If however, your needs are simple. You plan on running the inverter few hours a week or less, then go for the more cost effective Renogy inverter. There is no advantage in spending so much money for something you wont use so often.
If you are the type that always wants the best, then you know your choice.
Best 3000 Watt Inverter Charger – (Pure Sine Wave Low Frequency)
An inverter charger does not only convert the DC from your battery to AC current for your appliances (120V) it also uses shore power or generator power to charge your battery when available.
Here is a list of the top 3000 Watt Inverter Chargers that convert 12V DC to 120 V AC and are also Low Frequency (LF) Pure Sine Wave Inverters. LF inverters have high surge capacities. All the inverter chargers listed below have a continuous power rating of 3000 Watt and Surge power rating of 9000 Watts for a few seconds.
This is good for applications that require high starting power like motors, air conditioners etc.
Top 3000 Watt Pure Sinewave Inverters Online (Low Frequency, Inverter-charger)
Photo | Title | Buy |
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Renogy 3000 Watt 12V DC to 120V AC Pure Sine Wave Inverter Charger | Check Price |
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SUNGOLDPOWER 3000W Pure Sine Wave Power Inverter Charger | Check Price |
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AIMS 3000 Watt 12VDC Input to 120VAC Pure Sine Inverter Charger | Check Price |
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3000W Power Inverter Charger Pure Sine Wave Converter with AC Charger | Check Price |
3000 Watt Inverters with Input – 24 V Output – 110/120V
Top 3000 Watt Modified Sinewave Inverters (24V)
Photo | Title | Buy |
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EDECOA 3000W 24V Power Inverter Modified Sine Wave | Check Price |
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Power Bright 3500 Watt 24V Modified Sine Wave Inverter | Check Price |
The modified sine wave inverters are usually cheaper and that is the reason why some people buy them. However, for 3000-watt inverters and higher, most people prefer to add a little extra to get a pure sinewave high-frequency inverter.
Top 3000 watt Pure Sinewave Inverters Online (High Frequency) – 24V
Photo | Title | Buy |
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AIG 24V Pure Sine Wave Power Inverter 3000Watt | Check Price |
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XYZ INVT 3000W Pure Sine Wave Power Inverter 24V | Check Price |
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Reliable 3000W Inverter 24V Pure Sine Wave Inverter | Check Price |
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WZRELB Pure Sine Wave Power Inverter 24v | Check Price |
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WZRELB 3000watt Pure Sine Wave Inverter 24V | Check Price |
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XYZ INVT Pure Sine Wave Power Inverter 3500W 24V | Check Price |
3000 Watt inverters with Input – 36V Output – 110/120V
Top 3000 Watt Pure Sinewave Inverter – 36 Volt DC
Photo | Title | Buy |
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XYZ INVT 3000W Pure Sine Wave Inverter - 36V DC to AC 120V 110V Power Inverter Surge 6000w, Power Converter for Car Solar System, Off Grid Power System. (3000W36V) | Check Price |
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WZELB 3000 Watt Continuous / 6000 Watt Peak 36v Pure Sine Wave Power Inverter DC to 120V AC Power Converter with 2 AC Outlets, 2 Sets of Battery Cables, LED Display | Check Price |
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XYZ INVT 3000W Pure Sine Wave Power Inverter - 36V DC to AC 120V 110V with 150ft Wireless Remote Switch Controller, Surge Power 6000w, Power Converter for Off Grid Solar System. (3000W 36V/ Wireless) | Check Price |
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WZRELB Power Inverter Pure Sine Wave 3000Watt 36V DC to 110V 120V with Remote Control Dual AC Outlets and AC Hardwire Port Solar Power Inverter | Check Price |
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WZRELB Power Inverter Pure Sine Wave 3000Watt 36V DC to 110V 120V with Remote Control Dual AC Outlets for RV Car Solar System | Check Price |
3000 W inverters with Input – 48 V Output – 110/120V
Top 3000 Watt Pure Sinewave Inverter – 48 Volt DC
Photo | Title | Buy |
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WZRELB 3000Watt Pure Sine Wave Inverter 48V DC to 120V AC with 2 AC Outlets + AC Connect Terminal Block, 2 Sets of Battery Cables for RV, Solar Syste, Camping | Check Price |
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XYZ INVT 3000W Pure Sine Wave Power Inverter 48V DC to AC 120V 110V Surge Power 6000w, Power Converter for Solar System, Off Grid Power System. (3000W 48V) | Check Price |
Photo | Title | Buy |
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XYZ INVT 3500 Watt Pure Sine Wave Inverter 48V to 110V 120V AC Car Power Invert Surge 7000W Power Converter for Solar System.(3500W 48V 120V) | Check Price |
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XYZ INVT 3500W Pure Sine Wave Inverter - 48V DC to 110v 120V AC Surge 7000 Watt Power Inverter with Wireless 100ft Remote Switch for Solar System, Home Grid Off, Camping, RV. (3500W 48V 120V) | Check Price |
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3500W 48V Pure Sine Wave Solar Home Use Inverter DC to 120V AC Off Grid Power Inverter | Check Price |
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ECO-WORTHY 3500W 48V Pure Sine Wave Inverter Off Grid Solar Piwer Inverter Battery Converter for RV Camping House Inverter Solar Power System Kit | Check Price |
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ECO-WORTHY 3500W 48V All-in-ONE Solar Charge Inverter Built-in 80A MPPT Charge Controller & 3500W Pure Sine Wave Inverter 48V DC to 110V AC for Solar Panel Power Home System | Check Price |
There are a few other China made inverters out there that are available online. Many of these companies are there for a few months and they disappear into thin air. What is the use of a 3 year warranty if the company is no more around? This is not to say that there are no good 3000 watt inverters in the market that are made in China. I have one of them that has lasted for 3 years now.
Power inverters have many different features that may be confusing for those who are new to the renewable energy world. In this buyers guide, I have taken the time to explain how each feature will affect your decision below.
If you are interested in 2000 watt , 1000 watt inverter, 4000-watt inverters, or 5000-watt inverters we also have a list for you.
Modified or pure sinewave power inverters
There are 2 main types of power Inverters. The modified sine wave inverter and the pure sinewave inverters.
What is a modified sine wave inverter?
What is a Pure Sine Wave Inverter?
The pure sine wave inverters are better and more expensive. The current they produce is very similar to the current supplied by the electric grid. On the other hand, the modified sine wave inverters are cheap and are good for most applications except the sensitive equipment.
There are 2 types of pure sine wave inverters. The low-frequency (LF) pure sine wave inverters and the high-frequency (HF) pure sine wave inverters.
What is a Low Frequency Pure sinewave inverter?
The LF inverters use a big copper transformer, so they are bigger, heavier and more expensive. They are also better with equipment that requires high starting power such as compressors and air-conditioners, especially if you use these equipment regularly and for long periods.
What is a high-Frequency Pure sinewave inverter?
The HF inverters use smaller transformers and electronic components. They are lighter in weight and are less expensive. These are good for the occasional user. There is no need to spend so much money on an inverter if you will only use it for a few hours a week. These inverters are also perfect for electronic equipment and smaller devices even when using them for several hours daily.
As you choose your pure sine wave inverter today, make sure you choose the one most suitable to your needs. The more expensive ones are the LF inverters and the less expensive ones are the HF inverters.
Our choice of Best 3000 watt Inverter (Modified Sinewave category)
In this section, you will find a little more detail about the best 3000 watt modified sine wave inverters in the market today.
Every buyer is different. Your needs are different from the needs of your neighbor. This is where you get a little more info about some of the inverters we have listed above, so that you can choose the one that is best for you.
If you plan on using your inverter for a variety of appliances and devices, I suggest you buy a pure sinewave inverter. If however you know you only need the inverter as a temporary backup or for lights and non-sensitive equipment, then don’t waste your money on a pure sinewave inverter.
Our Top Choice for all round Best 3000 Watt Inverter – Modified Sinewave Category!
KRIËGER 3000 Watt Power Inverter -12V
If you have made up your mind to buy a 300 watt modified sine wave inverter, then buy the Kriëger Inverter. From our research, we found that gives the best value at a very affordable price point.
This inverter comes with a 3yr warranty and has installation cables included. It is also quite portable. All these at a very affordable price. In my research, I found that this 3000 watt inverter had the highest number of positive reviews online.
Pros
- Small size – fits into small spaces
- 2 USB outlets
- Hard wire kit included
- Battery Cable included
- Wired remote starter
- LCD – Digital display
- It has a silent cooling fan. For many of the other inverters, the noise from the cooling fan can be very annoying.
- 3 Yrs Warranty.
Con
- Some people find the included 3ft battery cable too short. Especially when you are using the inverter in a vehicle.
- Some users complained that the lights on the inverter can be too bright at night. They wish it could be turned off. Most people don’t mind this though.
Read a more detailed Krieger Inverter Review
Our runner up for all-round Best 3000 Watt Inverter – Modified Sinewave Category!
ENERGIZER 3000 Watt Power Inverter
The Energizer brand name is a good one for this inverter. You know the name and it delivers. You can toss a coin and choose this inverter or the Krieger inverter. They would both serve you well. We chose the Krieger over the Enegezier simply because the Krieger had more reviews as well as 3 Yrs warranty compared to 2yrs warranty on the Energizer Inverter.
Pros
- It has 2 AC power outlets
- It has a silent cooling fan. For many of the other inverters, the noise from the cooling fan can be very annoying.
- It also has 2 USB outlets. This means you can charge more of your electronic gadgets such as phones, tablets, power banks, cameras etc without having to use a USB extension.
- Hardwire connection ports.
- 2 Yrs Warranty
Cons:
- Some users complained that the lights on the inverter can be too bright at night. They wish it could be turned off. Most people don’t mind this though.
- Some people find the included 3ft battery cable too short. Especially when you are using the inverter in a vehicle.
Best 3000 Watt Inverter for cost
HAITRAL – 3000-Watt Power Inverter
The HAITRAL power inverter has a continuous output of 3000 watts and a peak output of 6000 watts. This means that it can power most home appliances that are below 3000 watts. Do not forget that, you will need a good battery bank to get 3000 watts of power from this inverter for a good length of time.
Pros:
- It is the least expensive in our list
- It has 2 A/C outlets
Cons
- It doesn’t have a usb outlet
- Some users complained of the length of the included cable.
- The cooling fan can be loud for some people.
3000 Watt Inverter with a kit for direct connection to home wiring
Go Power! GP-3000HD 3000-Watt Modified Sine Wave Power Inverter
We found that the Go Power inverter is the one best designed to be used as a back up system for the home. It has a continuous power output of 3000 watts and a peak output power of 6000 watts.
Pro:
- Tough exterior gives you the peace of mind that it will last for some time and would withstand some rough usage
- It has a kit with which you can hardwire the inverter to your home’s electric system. This is very useful when using the power inverter as part of a solar power system.
Con
- It does not have a digital display to show the power consumption, battery voltage, and other outputs.
- It does not have a USB outlet. USB outlets can be very handy for charging phones on the road. You won’t need to take chargers. You will be okay with just the cables.
Top 3000 Watt Pure Sine Wave Inverters
Go Power! GP-SW3000-12; 3000 Watt Pure Sine Wave Inverter
The Go Power 3000 watt pure sine wave inverter is very well built. It has both a 24v and a 12 Volt version. It is designed to work well as part of your backup power system for the home. This Pure Sine Wave Inverter comes at a high price. However, their customer support and warranty are excellent and the inverter works very well. For the price of this inverter, you would expect an integrated LCD display to provide information about the load and battery levels. This is not the case with the Go Power 3000 watt pure sine wave inverter. I hope the company will take note of this and integrate the display. There is, however, a remote on/off switch which has some indicators for voltage levels and power output. This remote on/of switch is sold separately. I would expect it to be included.
The Go Power 3000 watt inverter has a peak output of 6000 watts. This should be adequate for most household appliances and power tools. If you are looking for a reliable North American 3000 Watt Pure Sine Wave inverter, you can’t go wrong with the Go Power Inverter.
Pros
- Well built by a North American company
- Trust worthy warranty and good customer service
- Hardwire connection available
- 2 GFCI protected outlets
Cons
- High Cost
- No LCD display
AIMS Power 3000 Watt Pure Sine Wave Inverter Charger 12V
The AIMS 3000 watt pure sine wave inverter is also a 100A smart battery charger. The integrated charger makes is useful for building a backup system for your home. You can keep your batteries charged when there is a power supply. You can be sure that this convenience comes at a cost.
Pros
- It has an integrated charger
- It is very well built – It can withstand some tough use
- It can handle up to 9000 Watt peak power usage for 20 seconds. This will allow you to use equipment that requires more power to start such as the microwave oven.
Cons
- No LCD Screen to read your power usage or battery levels
- Only 2 power outlets – 2 are usually enough, but more would be great
Xantrex 815-3012 Freedom SW Series 3000 Watt Pure Sine Wave Inverter/Charger


This Xantrex Inverter is not for the casual user. It is designed to work continuously for a long period without breaking. The price is high but it has lots of functionalities that those who use them are willing to pay. They have automatic switches that can switch from battery power to generator in an off-grid situation or from battery to the grid in a situation where there is no regular power supply from the grid. If you have the budget, and you will be using your inverter for hours daily, then go for this inverter.
AIG 3000 watt PURE SINE WAVE Inverter
This is a High Frequency 3000 watt pure sine wave inverter. It is a good entry level inverter for your RV. It would power some smaller airconditioners whose peak power requirements are not over 3000 watts. You can always add your other devices after turning on the airconditioner. This inverter would serve most users very well. The truth is, 80% of users don’t use their inverters that much.
If however, you run your inverter for long hours, like in an off-grid location, I would advise you invest in any of the inverters above.
Pros:
- It’s very economical and can deliver!
- 4 AC sockets
- LCD Output
- 2 USB outputs
Cons:
- Included cable may be too short
VertaMax 3000 Watt Pure Sine Wave Inverter -12V
This is the inverter for you if you want to save some money and still get a high performance pure sine wave inverter. It is a high-frequency unit so it may not power some equipment that draws a lot of power for a few seconds on start-up. However, it will power most home appliances and small air conditioners. The LCD screen on this unit makes it a better choice at this price range.
Pros:
- 3 AC outlets with on/off switch
- Hardwire terminal block for permanent household wiring.
- LCD display to let you monitor your power usage and battery levels.
- Quite economical
Cons
- There are really no major complaints about this inverter other than it was designed to cut costs.
Samlex Solar EVO-3012 Evolution Series 3000 watt pure sine wave Inverter/Charger
This is another expensive but robust inverter/Charger. It delivers what it claims but it may be too expensive for a casual user. This is the type of inverter you install in your off-grid cabin. You may also use it in your RV or vessel if you use them a lot.
Criteria for choosing a 3000 Watt Inverter.
So you have decided that a 3000 watt inverter is what you need. Picking the right 3000 watt inverter still requires some skill. To make the process as easy as possible for you, we have put together a list of key points to consider when choosing your inverter.
- Noise: Check how noisy the cooling fan is. Most 3000 watt inverters have automatic cooling systems that start a cooling fan once the temperature of the inverter becomes dangerously high. Some of these cooling fans can be quite noisy. If you will be using your inverter for power tools mostly, then the noise would not bother you. If however, you will be using the inverter at night when you would like it to be quiet, then take note of the noise.
- The number of power outlets: Power Inverters are available with single outlets to power one device and multiple outlets (two or three outlets) to power multiple devices simultaneously. You need to decide the number of power outlets you would require.
- The number of USB Ports: Some of the power inverters come with USB ports which allow you to charge a wide range of electrical and electronic appliances including cell phones, laptops, game consoles, power tools, and other household products while in the car. They come in conjunction with the power outlets or without. Having the USB port feature allows Smartphone, iPhone, Tablets and other USB product users to charge their devices with ease. You will need to choose an inverter based on.
- Safety Feature: Check what type of safety features are available. Some common ones are Overload, Temperature, and short circuit protection.
- Dimensions: You may want to be sure that your inverter can fit into the space you have for it. Inverters come in various sizes and weights. You can take the measurements of your previous inverter if you are replacing one or take the measurement of the space in your RV or home where you would like to place the inverter.
- Hardwire Port or Kit: This is important if you plan on using your inverter in an off-grid application like a shed, cabin or back-up power for your home. It is the hardwire port that enables you to connect your inverter to the circuit that you already have so that you can simply use your appliances as you would without connecting them directly to the inverter.
Conclusion
The pure sine wave inverter is the way to go if you want to use your inverter for sensitive equipment and you have a budget for it. The modified sine wave inverters can handle a lot of things too. I have both types of inverters and they serve very well. I believe there is no need to spend so much on a pure sine wave inverter when all you need is a modified sine wave inverter.
Here is a list of our winners again.
- Modified Sinewave Inverter – Kreiger Modified Sinewave Inverter
- HF Pure Sinewave Inverter – AIG Pure Sinewave Inverter
- LF Pure Sinewave Inverter charger – AIMS Inverter Charger or any of the Inverter-chargers.
If you will be using your inverter for the air conditioner or a compressor over a long period of time, I suggest you invest in a LF pure sine wave inverter. If you have the budget, go for the AIMS 3000-watt inverter or Xantrex inverter otherwise any of the other LF inverters are equally capable.