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Best 3000 Watt Inverters (Modified and Pure Sine Wave)

Krieger 3000W modified inverter
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You have probably (or almost) decided on the type of inverter you want. This article offers information to help further narrow down your decision on the best 3000W inverter.

This article will provide guides on 3000W inverters and then take you through general criteria and functions.

Inverter Overview

There are over 30 different types of inverters on the market, and they can come in 4 main input voltages and 2 main output voltages.

There is a lot to consider when choosing the inverter you need.

If you already know what you need, you can go ahead and check out the guides below. The inverters listed get good reviews and are our top picks.

The guide includes the following categories.

  • Input Voltage – 12V, 24V, 36V, 48V
  • Output Voltage – 110/120V or 220/240V
  • Waveform – Pure Sine Wave or Modified Sine Wave
  • Functionality – Inverter or Inverter Charger.

3,000 Watt Modified Sine Wave Inverter w/Input – 12V, Output – 110/120V

3000W kreiger inverter Energizer 3000w inverter Giandel 3000w inverter Trip lite 3000w inverter
ItemKreiger 3000W InverterEnergizer 3000W InverterGiandel 3000W InverterTrip Lite 3000W Inverter
Dimensions13.5 x 7.62 x 5.5 inches13.5 x 7.62 x 5.5 inches19.5 x 9.5 x 3.7 inches16.5 x 12.2 x 5.3 inches
Weight9.1 Pounds9 Pounds‎12.3 pounds16.55 Pounds
DC Input12V12V12V12V
AC Output110V110V120V120V
PriceCheck PriceCheck PriceCheck PriceCheck Price

The Modified Sine Wave Inverters are the least expensive. They are good for lights, some tools, and equipment that is not sensitive.

Modified Sine Wave Inverters are good for vans or if you want to operate power tools intermittently.

These inverters have a continuous power rating of 3,000 watts and a maximum surge of 6,000 watts. The input is 12V.

3,000 Watt Pure Sine Wave Inverters w/Input – 12V, Output – 110/120V (High Frequency)

Samlex-3000W-inverter-solarknowhow GoPower 3000w inverter aims-3000w-inverter Xantrex 3000w inverter
ItemSamlex America Solar EVO-3012Go Power! GP-SW3000-12 InverterAIMS 3000W Pure Sine InverterXantrex 3000W Pure Sine Inverter
Dimensions21.5 x 17 x 15 inches17.8 x 6.5 x 8.2 inches16.48 x 8.59 x 7.05 inches15.25 x 13.5 x 7.75 inches
Weight57.9 pounds21 Pounds‎62 Pounds73.7 Pounds
DC Input12V12V12V12V
AC Output130V120V120V120V
PriceCheck PriceCheck PriceCheck PriceCheck Price

The Samlex America inverter is one of the best on this list. If you plan on running your inverter for long hours every day and need it to be mobile, then you can’t go wrong with the Samlex inverter.

Samlex makes a durable, quality inverter that is going to stand up to hard use.

Pure Sine Wave Inverters with Voltage Options

Modified wave inverters are popular for certain types of equipment, and you will often find them used by contractors. However, inverters that produce 3000W are more often pure sine inverters, and I’ve listed more good options below.

3,000 Watt Pure Sine Wave Inverters w/Input – 24V, Output – 110/120V (High Frequency) – 24V

Giandel 24v 3000w inverter WZERLB 3000w 24v inverter Growatt 3000w 24v inverter Sungoldpower 3000w 24v inverter
ItemGiandel 3000W 24V InverterWZRELB 3000W 24V InverterGrowatt 3000W 24V InverterSUNGOLD POWER 3000W 24V Inverter
Dimensions19.7 x 9.4 x 3.4 inches17.8 x 6.5 x 8.2 inches23 x 17.3 x 9 inches17.4 x 9.5 x 7.8 inches
Weight13.5 Pounds21 Pounds29.8 pounds42 Pounds
DC Input24V12V12V12V
AC Output120V120V120V120V
PriceCheck PriceCheck PriceCheck PriceCheck Price

3,000 Watt Pure Sine Wave Inverters w/Input – 36V, Output – 110/120V

XYZ invt 3000w 24v inverter WZRELB 3000w 24v inverter
ItemXYZ INVT 3000W 24V InverterWZRELB 3000W 36V Inverter
Dimensions20.87 x 13.78 x 8.27 inches17.5 x 9.37 x 3.7 inches
Weight13.68 pounds14.07 pounds
DC Input36V36V
AC Output120V120V
PriceCheck PriceCheck Price

3,000 Watt Pure Sine Wave Inverters w/Input – 48V, Output – 110/120V

WZERLB 3000w 48v inverter XYZ invt 3000w 48v inverter
ItemWZRELB 3000W 48V InverterXYZ INVT 3000W 48V Inverter
Dimensions17.7 x 9.4 x 3.7 inches18.11 x 13.78 x 8.27 inches
Weight14.47 pounds12 Pounds
DC Input48V12V
AC Output120V120V
PriceCheck PriceCheck Price

Best 3,000 Watt Inverter Chargers

An inverter charger not only converts DC from your battery to AC for your appliances (120V), but if you are off-grid, it also converts AC power from your generator to DC power to charge your battery banks.

Below is a list of the top 3,000 Watt Inverter Chargers that convert 12V DC to 120V AC. These are also mostly Low Frequency (LF) Pure Sine Wave Inverters. LF inverters have high surge capacities. The inverter chargers listed below have a continuous power rating of 3,000 Watts and a surge power rating of 9,000 watts.

This is good for equipment that requires starting power spikes like motors, air conditioners, etc.

Renogy inverter charger 3000w 12v Victron 3000w 12v inverter charger AIMS 3000w 12v inverter charger Xantrex 3000w 12v inverter charger
ItemRenogy 3000W Inverter ChargerVictron 3000W 12V Inverter ChargerAIMS 3000W 12V Inverter ChargerXantrex 3000W 12V Inverter Charger
Dimensions20.1 x 9.7 x 7.6 inches14.3 × 10.2 × 8.6 in16.48 x 8.59 x 7.05 inches15.25 x 13.5 x 7.75 inches
Weight57.9 pounds39.6 Pounds‎62 Pounds69.25 Pounds
DC Input12V12V12V12V
AC Output120V120V120V120V
PriceCheck PriceCheck PriceCheck PriceCheck Price

Inverter Choices

There are many inverters available. Take your time and check out reviews before making a purchase. Choosing a brand that has been in business for several years is important. A two-year warranty does you no good if the inverter manufacturer disappears next year, and this does happen.

In the next section, we have reviews for several inverters, followed by additional information and videos with basic inverter knowledge.

If you are interested in inverters with other capacities, we have more guides.

Best 3,000 Watt Modified Sine Wave Inverters

Choosing an inverter can be a big decision. They are not cheap, and if you live off-grid, you need an inverter that is dependable and will provide you with the power you need when you need it.

Every buyer has different needs, but if you only use your inverter as a temporary backup or for lights and non-sensitive equipment, then a Modified Sine Wave Inverter may be a good choice.

In the section below, we have provided additional information on inverters we like.

Our Top Choice for All Round Best 3000 Watt Inverter – Modified Sine Wave Category!

KRIEGER 3,000 Watt Power Inverter-12V

Krieger 3000W Modified Inverter

The Kriëger Inverter is dependable, compact, and surprisingly quiet. This inverter provides great value at an affordable price and you can’t beat its three-year warranty. This portable inverter includes a remote wired on/off switch and installation cables.


  • Small size – fits into small spaces
  • 2 USB outlets
  • Hardwire kit included
  • Battery Cable included
  • Wired remote starter
  • LCD – Digital display
  • It has a silent cooling fan.


  • Some people find the included 3ft battery cable too short, especially when using the inverter in a vehicle.
  • Some users complained that the lights on the inverter could 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 Sine Wave Category!

ENERGIZER 3,000 Watt Power Inverter

Energizer 3000W Modified Inverter

The Energizer brand is a well-recognized name. This particular inverter is well-known for its durability and is easy to set up and use. This inverter has very positive feedback and provides a solid two-year warranty.


  • 2 AC power outlets
  • Recognized, quality brand name
  • Silent cooling fan
  • Two USB outlets for charging more devices
  • Charges cameras, etc without having to use a USB extension
  • Hardwire connection ports
  • 2 Yr Warranty and good customer support


  • Have some noise on devices like laptops, but as expected from Modified Sine Wave Inverters
  • LED is very bright on this inverter also
  • Not as compact as expected
  • Plug a little too snug

GIANDEL – 3,000-watt Power Inverter

Giandel 3000W Modified Inverter

This GIANDEL has high marks for performance and dependability, and good news – it has a 15-foot cord! This is a more compact Modified Sine Wave inverter that is perfect for your truck, RV, or off-grid cabin or as an occasional backup inverter when you need it.


  • High marks for performance
  • Compact
  • Quiet operation
  • 15-foot cord
  • Very easy to install


  • Needs longer battery cables
  • Only one USB port

Go-Power 3,000 Watt Modified Sine Wave Inverter with Home Connection Kit

GoPower 3000w modified inverter

This inverter receives mixed reviews, but the majority of them are positive. We included it because Go-Power is a good brand that makes quality inverters and because this inverter provides a specialty kit for home wiring.


  • Appears well-built with a durable exterior
  • The inverter has a kit allowing you to hardwire the inverter to your home’s electric system.


  • No digital display to show the power consumption, battery voltage, and other outputs.
  • No USB outlet
  • Some complaints about output being not as advertised

Best 3,000 Watt Pure Sine Wave Inverters

Our Top Choice for All Round Best 3000 Watt Inverter – Pure Sine Wave Category!

Samlex Solar EVO-3012 Evolution Series 3,000 Watt Pure Sine Wave Inverter/Charger

Samlex 3000W Pure Sine Inverter

This is one of the few 3,000 Watt Pure Sine Inverters with all 5-star reviews. This Samlex Solar is not inexpensive, but you get what you pay for. If supplying reliable, off-grid solar power to my cabin, this is the inverter I would choose. Samlex backs up this inverter with a two-year warranty and excellent customer service. The Samlex Solar provides many convenient features.

Keep in mind that if you purchase this inverter, you should also consider purchasing the control panel. This panel is needed to make any settings you need.


  • Robust and Reliable
  • Adaptive Battery Transfer
  • 9 Points of physical monitoring for protection
  • 5 different temperature sensors
  • Automatic transition from street to inverter
  • Separate inputs for solar, gen, grid
  • Great customer service
  • Easy Installation


  • Price – but this is not really a “con” since it is a high-quality Pure Sine Inverter
  • No other real “cons” to report

Go-Power GP-SW3000-12; 3,000-watt Pure Sine Wave Inverter

GoPower 3000W Pure Sine Inverter

The Go-Power 3000-watt Pure Sine Wave inverter is well-built and durable. This inverter has both 24v and 12v versions and is designed to work well as part of your backup power system for your home. This inverter does not have all of the bells and whistles of some others on this list, but it is a reliable, quality inverter.


  • Well built by a North American company
  • High-quality inverter and those that like it REALLY like it!
  • Trustworthy warranty and good customer service
  • Hardwire connection available
  • 2 GFCI protected outlets
  • Sleep function drawing very little power


  • Price
  • No LCD display
  • More complicated set-up with generic instructions, but customer service is good

AIMS Power 3,000 Watt Pure Sine Wave Inverter Charger 12V

AIMS 3000w pure sine inverter

The Go-Power 3000-watt Pure Sine Wave inverter is well-built and durable. This inverter has both 24v and 12v versions and it is also a 100A smart battery charger. The integrated charger is useful when building a backup system for your home. You can keep your batteries charged when there is a power supply. Make sure you purchase it through a certified AIMS Dealer so you can get support when you need it. Not all Amazon dealers are certified.


  • Integrated charger
  • Well built – It can withstand tough use
  • Handles up to 9000-watt peak power usage for 20 seconds. This will allow you to use equipment that requires more power to start appliances like a microwave oven.


  • No LCD Screen to read your power usage or battery levels
  • Only 2 power outlets – 2 are usually enough, but more would be convenient

Xantrex 815-3012 Freedom SW Series 3000 Watt Pure Sine Wave Inverter/Charger

Xantrex 3000W Pure Sine Inverter

This Xantrex Inverter is not for casual users. The inverter is designed to work continuously for a long period of time with very little wear and tear. The price is high, but the Xantrex is loaded with functionality. This inverter has automatic switches that can switch from battery power to a generator off-grid or from battery to the grid. This inverter is a powerhouse for experienced users.


  • Large temperature range for output performance
  • A lot of more specialized functionality
  • Built-in transfer switch
  • Performance


  • Occasional complaints about customer service
  • Optional panel has to be purchased to set battery type
  • Will standby but not hibernate
  • Wiring harness tough to wire – too tight

VertaMax 3,000 Watt Pure Sine Wave Inverter-12V

Vertamax 3000W Pure Sine Inverter

This is a good entry-level inverter for your RV. It will power some smaller air conditioners whose peak power requirements are not over 3000 watts and you can add other devices after turning on the air conditioner. If you run your inverter for long hours, like in an off-grid location, I would advise you to look at some of the more durable inverters above.


  • 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.
  • Economical
  • Good support


  • Has a one year warranty
  • Shuts off under sudden low voltage
  • Watt meter function complaints

Modified or Pure Sine Wave Power Inverters?

There are 2 main types of Power Inverters. The Modified Sine Wave inverter and the Pure Sine Wave inverters.

What is a Modified Sine Wave Inverter?

There are really two differences between Pure Sine and Modified Sine wave inverters – cost and efficiency. Modified Sine Wave inverters handle less complex loads well, but don’t handle fine electronics as well.

If you are going to run lights and appliances then a less expensive Modified Sine Wave inverter may be fine.

What is a Pure Sine Wave Inverter?

The Pure Sine Wave Inverters are more expensive but provide better current. The current they produce is similar to the current supplied by the electric grid, and in some cases, even better. The Modified Sine Wave Inverters are less expensive and produce “rough” current that is better for some power equipment and some infrequently used appliances and tools.

Low & High-Frequency Pure Sine Wave Inverters

There are two 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 Sine Wave Inverter?

The LF inverters use a larger copper transformer which makes them bigger, heavier, and more expensive. They are also generally better with equipment that requires high starting power, such as compressors, air-conditioners, etc. This is especially the case if you use this equipment regularly and for long periods.

What is a High-Frequency Pure Sine Wave Inverter?

High-frequency inverters use smaller transformers and electronic components. As a result, they are lighter in weight and less expensive. These are good for the occasional user. These inverters are also good for electronic equipment and smaller devices, even when using them for several hours daily.

Criteria for Choosing a 3,000 Watt Inverter

Picking the right 3000-watt inverter requires knowledge and time. However, the key points below will assist when making a choice.

  1. Noise:  Most 3,000 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 are using your inverter for power tools, then the noise won’t bother you. If you are using the inverter at night or in a location where you need quiet, be conscious of the fan in the inverter you choose.
  2. The number of power outlets: Inverters are available with single outlets to power one device or multiple outlets to power multiple devices simultaneously. You will need to decide on the number of power outlets you need.
  3. The number of USB Ports: Some inverters come with USB ports that allow you to charge a wide range of electrical and electronic appliances, including cell phones, laptops, game consoles, power tools, etc.
  4. Safety Features: Common inverter safety features include overload sensors, alarms, temperature sensors, short circuit protection, etc. What you need will be dictated by how and where you use the inverter.
  5. Dimensions: Ensure the inverter fits in the space you have since 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.
  6. Hardwire Port or Kit: This is important if you plan to use your inverter in an off-grid application like a shed, cabin, or backup power for your home. The hardwire port enables you to connect your inverter to the circuit you already have to use your appliances without connecting them directly to the inverter.

3000W Inverters – Final Thoughts

The Pure Sine Wave inverter is the right choice if you use your inverter for sensitive equipment and have the budget. However, the Modified Sine Wave Inverters have their uses also.

I have both types of inverters, and they serve me well. However, I don’t believe spending money on a Pure Sine Wave inverter is needed when all you need is a Modified Wine Wave Inverter.

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