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Best 3000 Watt size Solar generators in 2023

Updated: Sep 23, 2023

A 3000-watt solar generator is large enough to power two houses in the USA. However, the minimum price of this range of solar generators will be above $3000. Hence, to get the maximum value for money on your investment you need to be more cautious. And to do the same you need to do lots of research and that will cost you lots of time. However,

Here, we did all the research for you so that you can buy the best 3000-watt range solar generator to fulfill your requirements.

In our research, we compare the following parameters of each solar generator in the 3000-watt range.

  • Backup Capacity and Expandability.

  • Type of battery to get more value money.

  • AC Input Rating to get the fastest charging.

  • PV Input rating for fast charging during a power outage.

  • Numbers of output ports to run most appliances simultaneously.

  • Connectivity to operate wirelessly

  • And Price per Wh.


BLUETTI AC300 is our top pick for home backup as well as for off-grid living due to its high solar input capacity and modular design. It is also our TOP pick for a 3000-Watt range solar generator due to the same reason. Its 3,100 Watt inverter [with surge power of 6,000 W] can power your heavy tools like Circular SAW & Bench Grinder of up to 1,400 Watt.

AC300 comes with a detachable battery [Lithium iron phosphate] of a capacity of 3,072 Wh and you can extend the same up to 12,2888 Wh with 1+3 numbers of detachable batteries. With its full extended battery capacity, it can run your whole house for 9 to 12 hours.

You can charge it via solar panels [1200 Watt + 1200 Watt rating], a car charger, a Wall Power Socket, a Gas Generator and even you can charge it via a Lead-Acid battery. You can use any type of solar panel with an MC4 connector to charge it.

One of the most remarkable things about AC300 is that it comes with a dual charging option for fast charging. That means you can charge it with AC power [grid or Gas Generator] and DC power [solar panels or Car charger] simultaneously.

You can even run 240 Volt appliances by connecting two AC300 in series with its FUSION BOX PRO. However, you need to buy this fusion box separately.

The weight of the AC300 [without battery] is 21.6 kg/47.62 lbs and it didn’t come with inbuilt wheels or mounted on a trolley. So, if you need to take it with you on your own then make sure you are strong enough to carry it.

With UPS mode, you can use it as HOME UPS and if you set it to PV priority UPS MODE, it will work like a SOLAR HOME UPS.


EcoFlow DELTA Pro: With an Inverter size of 3,600 Watts & surge capacity of 7,200 W, DELTA Pro is the highest-rated solar generator of EcoFlow. It also has the highest rated charging capacity, which is 6500 Watts, and is more than twice its close competitors. But, to achieve such capacity you have to charge it by three means.

Solar Panel: 1600 Watt

EV Charge or 240 V Charging: 3,400 Watt &

Smart-Gas Generator: 1,700 Watt.

[1,600 Watt + 3,400 Watt + 1,700 Watt= 6,600 Watt]

That means, if you don’t own the EcoFlow Smart-Gas generator, then the maximum charging capacity you will get will be 5000 Watts, which will be lower than its competitors. Also,

Its Solar input capacity is almost half that of its competitors, which is 1600 W in comparison to 2400 Watt (and above) PV input capacity of other 3000 Watt solar generators. And that means it will take more time to charge from solar panels compared to its competitor. Let’s talk about its battery capacity.

It comes with an inbuilt battery capacity of 3600 Wh and you can extend it up to 10,800 Wh with two additional battery modules. And if you compare it's maximum battery capacity with its competitors, it again loses a battle. But,

The nice thing about this 45kg/99 lbs solar generator is that it is mounted on two wheels and you can charge it even at the EV charging station, with its EV charging port. EcoFlow Delta Pro is the only 3000-watt solar generator that has an EV charging port.

Price: One DELTA Pro will cost you $3,699 and each additional battery will cost you $2,799. And if you also want to buy an ECOFLOW’s smart gas generator then it will cost you an additional $1,399.


LYCAN 5000 Powerbox is the second-highest inverter capacity [3,500 W] solar generator with the highest solar input capacity [4,400 Watt] available in the market. It also has the highest charging capacity, which is 6,800 Watts. However, to achieve its highest charging capacity.

You have to charge it with a 20 A wall socket or 2400 Watt gas generator and 4,400 Watt solar panels simultaneously. So, to get the fastest charging of LYCAN 5000 you need to invest in solar panels too. But you don’t need to buy any GAS Generator, let's talk about its battery capacity.

It comes with an inbuilt battery capacity, of 4800 Wh and can be extended up to 19,200 Wh with 6 numbers of 48 V, 50 Ah Smart lithium-ion additional batteries. FYI, each 48 V, 50 Ah can store 2400 Wh of power. These smart lithium-ion batteries can be monitored by the Renogy DC Home app. And the price per Watt Hour of these additional batteries is 16% less than that of EcoFLOW and BLUETTI.

It comes with a Bypass switch so that you can bypass it by replacing any power socket. And you can monitor it and its additional batteries with the Renogy DC Home app.

Renogy’s LAYCAN 5000 Powerbox is the only solar generator with a 30 A AC output port. However, comparing its total output ports with other solar generators, it has the lowest number of output ports. In fact, it has only two numbers of AC output ports with 30 A and 20 A ratings. Another concern with it is.

It is a 120 kg/264.6 lb device with four numbers of wheels on the base. So, once you place it in your home/cabin you won't try to relocate it.

Price: Renogy’s LAYCAN 5000 Power box will cost you $5,199.99 and each Additional battery will cost you $1,563.99.

If you buy it with 6 batteries, it will cost you $14,583.93


>> Research Procedures <<

To choose the best solar generator of capacity 3,000 Watt, we considered different factors like battery capacity, expandability of battery capacity, MPPT rating, Inverter rating, and Converter rating. Some of the factors are explained below.

Battery Type: Lithium batteries are used in solar generators to make them light in weight. Furthermore, there are two types of lithium batteries used in solar generators, that is LPF and NMC. NCM is one of the newest members of the lithium battery family. However, studies show that its performance is lower than LPF batteries.

LPF batteries have a 3.5 times higher charge cycle than NCM batteries. Here, one charge cycle is equal to the charging of the battery followed by 80% depth of discharge. Furthermore, an LPF battery has a charge cycle of 3500, however, NCM batteries have a charge cycle of 800.

Hence, we prefer LPF batteries over NCM batteries.

LPF batteries are preferable over NCM batteries.

Battery Expandability: The requirement for power backup increases as time changes. Hence, the backup capacity of a fixed-capacity solar generator won't be that useful.

However, the backup capacity of a solar generator with expandable battery capacity can be adjusted as per the house load requirement.

Inverter Rating: The inverter capacity of a solar generator limits the number of appliances it can run simultaneously. Hence, we refer to solar generators with higher Inverter capacity.

AC Input [converter] Rating: To reduce the price of solar generators and keep the profit high. Some solar generator manufacturers reduce the electronic of AC Converter, Hence, their solar generators take more time to get charged. A fast-charged solar generator has more advantages than a slow-charged solar generator.

Solar generators with higher AC converter ratings get charged faster and will get ready for power outages faster.

Numbers of ports: We prefer solar generators with higher numbers of ports so that more appliances can run with the lowest cabling requirement.

PV Input [MPPT] Rating: A higher PV input rating means a longer backup time. Now FYI, 1kW of solar panel can charge 2,000-4,000 kWh battery in a day. Hence, we prefer solar generators with higher PV input ratings over lower PV input ratings.



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