A 3000 Watt inverter will do a great job at converting DC electricity from your 12V battery into 120V AC.
Whether you are camping or on a road trip with your RV, you definitely need an inverter to get a reliable source of AC electricity to all your appliances.
With this in mind, you may find yourself wondering what appliances a 3000 Watt inverter could power, or how much it costs and more often than not would it run a house during a power emergency.
Worry not, all your questions will be answered in this post.
If you are like most of our readers, you only came here for the best 3000 Watt Inverters, we made a quick list of all the top brands:
- SL Euthtion
In this article, we will review the 6 best 3000 Watt inverters. Then we will answer frequently asked questions.
6 Best 3000 Watt Inverters
Our review of the 6 best 3000W inverters is divided into two sections.
- Firstly, we will start with pure sine wave inverters.
- Secondly, we wil go on to include modified sine wave inverters.
If you’ve ever wondered what the main differences between a pure sine wave and modified wave inverter are, take a look at this article.
Best 3000 Watt pure sine wave inverters
SL Euthtion 3000W
The SL Euthtion 3000W is a pure sine wave inverter. Therefore, it produces a clean output current similar to the grid electricity, through 2 AC outlets (110V).
Thanks to this major feature it will preserve your appliances and they won’t overheat. On top of that, at the front of the device, you’ll find a high-power link port for demanding applications (AC, water pumps).
We particularly like its wireless remote control and monitoring screen that displays the batteries remaining power. In addition, the unit is built with quality parts and comes with a 1-year warranty.
- Pure sine wave inverter (clean AC output)
- One high power connection
- Includes electric cables and spare fuses
- Wireless monitoring screen
- Well priced
- Only one year warranty
- Only two AC sockets and one USB plug
Built to last, with clever features like its wireless remote control, we really recommend this 3000W pure sine wave inverter. It will safely power any household appliances from a DC source.
Similar to other Renogy products, their 3000W pure sine wave inverter is innovative and built with high quality parts.
Consequently, its efficiency is high, more than 90% and it delivers a clean AC current through 3 outlets (110V AC).
In addition, it features one USB plug for your electronic gadgets. This inverter accepts all types of 12V batteries and has multiple protections to ensure a high level of safety for your appliances.It includes a wired remote control to easily pilot the device.
Finally, it comes with a 2-year warranty.
- Pure sine wave output signal
- 3 AC outlets
- Accept all types of 12V batteries
- Built with quality parts
- Well priced
- 2-years warranty
- Only one USB plug
- Basic wired remote control (no monitoring screen)
When purchasing a Renogy product you get a well designed and strongly built unit. Therefore, this pure sine wave inverter will efficiently power your appliances during all your off-grid trips and will last long. On top of that, it comes at a friendly price. Highly recommended!
Voltworks 3000 Watt
This 3000W pure sine wave inverter by Voltworks is the most versatile inverter of our review. It delivers a clean AC power through 4 outlets (110V), quite convenient to power multiple devices at once.
In addition, it features 2 USB plugs to charge your electronic devices and a high-power output plug for demanding applications (AC, water pump). We particularly appreciate its clear LCD screen that provides multiple useful information such as the battery state of charge.
On top of that, it comes with a wired remote control. FInally, the inverter is covered by AIG insurance for 18 months.
- Pure sine wave
- 4 AC outlets and 2 USB plugs
- Useful monitoring screen
- High-power outlet
- 18 months warranty
We recommend the 3000W inverter by Voltworks specially for its four AC outlets and 18 months warranty. Thanks to its high-power outlet it will have no problem at efficiently powering even the most demanding appliances.
Best 3000 Watt modified sine wave inverters
Krieger 3000 Watts
The Krieger 3000W inverter might not offer as many features as other inverters but it is built with high-quality materials. Therefore, it will last long, and comes with a 3-years warranty.
The LCD front screen conveniently displays the output power and input DC voltage. In addition, it benefits from multiple protections against overload, overheating and low/high voltage.
With only 9.1lbs, it is also easy to carry. Ultimately, it is very well priced.
- Built with high quality parts
- 2 AC outlets
- Free installation kit
- US-based customer service
- 3 years warranty
- No monitoring remote control
We like this modified sine wave inverter because it is highly reliable and will last long. In addition it is very well priced and offers a good customer service.
Energizer 3000 watts Power Inverter
Energizer is a reliable brand when it comes to batteries, and so is their 3000W inverter. It was built to handle inductive loads such as power tools, freezers/refrigerators and water pumps.
In addition, it features safety equipments that protects against overload, overheating and low/high voltage. This product has a 2-years warranty and a convenient US-based customer service.
You can plug your AC appliances in the two AC 110V outlets and charge your USB gadgets at the front of the device. On top of that, you can monitor the input voltage and power output on the LCD screen.
- Built to last
- Handle inductive loads such as refrigerators and power tools
- LCD screen
- 2-years warranty
- Well priced
- No remote control
- No installation kit
A great 3000W modified sine wave inverter from Energizer that will power all your appliances including the most demanding (AC). Have no worries with this one thanks to a 2-year warranty and a US-based customer service.
The Cobra inverter delivers up to 3000W of power (6000W surge) accessible through four 120V AC outlets. In addition, you can easily charge your USB devices thanks to two USB-A/USB-C plugs.
Its wired remote control is very convenient. Indeed, it allows you to monitor your inverter inputs and power outputs and, in the meantime, charge your USB devices through two extra USB plugs. On top of that, this inverter features multiple safety elements to efficiently protect your appliances.
Finally, it is the lightest and smallest of the 3000W inverters reviewed in our article.
- 4 AC outlets
- Wired remote control with 2 USB plugs
- Includes Four 48″ #2 AWG Power cables
- Light weight (7.83lbs)
- Limited Warranty
- A bit pricey
This inverter is a great product. It might be the most expensive of all our modified sine wave inverters but it is a complete package with a remote control and all electric wires needed.
What appliances can a 3000 watt inverter run?
First of all, you should know that there are two types of appliance loads:
- Resistive load (water heater, TV, laptop…)
- Inductive load (water pump, power tools, air-conditioning unit, refrigerator…)
Basically, inductive loads need more power to start than their rating power. Depending on the appliance it might need up to 50% more power to start. On the other hand, resistive loads only use their rated power.
Consequently, we strongly advise you to oversize your inverter compared to the rated power of the appliances you want to plug in.
That said, a 3000W would run many electric appliances at the same time:
- electric fan
- standard size refrigerator/freezer
- small water pump
What is the average cost of a 3000 watt inverter?
There are two types of 3000 watt inverters:
- Modified sine wave (MSW)
- Pure sine wave (PSW)
Pure sine wave inverters are the most efficient, delivering an electric current the same quality as your utility company. Therefore, pure sine wave inverters are the most expensive.
A 3000 watt pure sine wave inverter costs on average, between 300USD and 400USD.
On the other hand, modified sine wave inverters use cheaper electronic components, therefore their average price is lower.
A 3000 watt modified sine wave inverter costs on average, between 200USD and 300USD.
Can a 3000 watt inverter run my home?
A 3000 watt inverter is a great option as a backup power source for your home when coupled to the correct batteries.
We mostly recommend to associate your inverter with 12V lithium batteries with a 300Ah capacity.
If you have a few minutes, have a look at our article about the best lithium batteries, it will help you choose the best batteries to couple with your 3000 watt inverter.
Is my 3000 watt inverter over heating?
You might find your 3000 watt inverter hot when it is working. This is totally normal. Indeed, inverters have efficiencies of 90%. It means that 10% of the input power is lost as heat. And the more power going through your 3000 watt inverter, the hotter it gets.
A 3000 watt inverter can reach up to 60°C. All the inverters featured in our review have safety equipment preventing them from overheating. Therefore, they are safe to operate and will shut down if the temperature is abnormally high (above 65°C).
What size wire is needed for a 3000 watt inverter?
For your 3000 watt inverter, you will need electric wires for the DC input and the AC output.
The AC outlets of your 3000 watt inverter can only deliver up to 1500W. For demanding loads, you will need to use the power outlet, with electric wires of 10 AWG. The current can reach up to 27 Amps.
For the DC input, we recommend 0 to 3 AWG pure copper wire. If you want to use your inverter to its maximum capacity, the DC current can reach 250Amps. Therefore, your cable should be thick.
A 3000 Watt inverter is a great choice to power most of your common household appliances at the same time.
Remember that it has to be coupled to the correct battery for you to enjoy its full power output. We always recommend lithium batteries, they are much better than lead acid batteries when it comes to heavy load.