3 Best Solar Generators for Your Fridge (With Run Times)

In this article, I have compiled three of the best solar generators that will power full-size refrigerators flawlessly. The generators are listed below.

I will be going in-depth on each solar generator listed and how long it can power your fridge using four common household refrigerators.

The best solar generator for a refrigerator is the Point Zero Energy Titan. It has a 3,000W continuous AC inverter, high solar input (2,000W max), and expandable 2,000Wh batteries to keep your fridge running for days. However, you may want one with different features depending on your needs.

1. Best OverallPoint Zero Energy Titan– Expandable batteries
– High power output
– Long-lasting batteries
2. Best TechnologyGoal Zero Yeti 3000 Lithium– Can use with smartphone app
– Large battery
3. Best in VersatilityInergy Flex AC– Expandable batteries
– Only 30 lbs with one battery
ModelTitanYeti 3000 LithiumFlex AC
BrandPoint Zero EnergyGoal ZeroInergy
My Full ReviewTitan ReviewYeti 3000 Lithium ReviewN/A
ImageTitan solar generator front viewYeti 3000 Lithium front viewInergy Flex AC front view
Battery Capacity2,000+Wh3,075Wh1,069+Wh
Inverter3,000W Continuous; 6,000W Surge1,500W Continuous; 3,000W Surge1,500W Continuous; 3,000W Surge

If you’re interested in using DIY solar generators to power your fridge, I have an article breaking down the components necessary to do so here: Can You Run a Refrigerator on Solar Power? Advantages & Breakdown.

1. Point Zero Energy Titan

Titan power station outside charging with solar panels

In the table below, I give the estimated hours of runtime for the Titan with four common full-size home refrigerators.

Refrigerator ModelSamsung 28.2 cu. ft. French Door RefrigeratorLG 26 cu. ft. 3-Door French Door Smart RefrigeratorGE 27.7 cu. ft. French Door Refrigerator (Energy Star)Whirlpool 28 cu. ft. Side-by-Side Refrigerator
Energy Consumption (kWh/Year)645708725747
Daily Energy Consumption (Wh)1,7671,9401,9862,047
Standard Titan (2,000Wh) - Usable Hours Without Solar24 hours22 hours21.5 hours21 hours
Titan x2 Batteries (4,000Wh) - Usable Hours Without Solar48 hours44 hours43 hours42 hours
Standard Titan - Usable Hours With Max Solar Input (1,000W)UnlimitedUnlimitedUnlimitedUnlimited
Titan x2 Batteries - Usable Hours With Max Solar Input (2,000W)UnlimitedUnlimitedUnlimitedUnlimited

The Titan solar generator remains one of the most efficient solar generators in the market, and they are perfect for refrigerators.

Leading the market in their technology, the makers of the Titan, Point Zero Energy, put two MPPT charge controllers in the Titan, allowing you to charge with up to 1,000W of solar panels with one battery and 2,000W with two or more batteries attached.

This stat makes it one of a handful of the fastest charging solar generators on the market today.

The Titan comes with removable and expandable lithium-ion batteries that allow you to add as many batteries as you need for your home/cabin with ease.

Each battery is 2,000Wh which is rated for 2,000 charge cycles to 80% battery capacity.

To better understand these numbers, if I were to use the Titan (with one battery) every day and use it completely (from 100%-0% then charge it up again), it would last about 5.5 years before its battery capacity reduces to 80% of its original 2,000Wh.

Scenario – 3 Days Off-Grid With the Titan Solar Generator (4,000Wh)

In the event of a power outage, it’s important to know the Titan’s actual numbers to calculate how long you can keep your appliances/electronics running while the power is out.

Below, I have put together an example scenario where a family has no power for three days. I’ve used the Titan as the generator in this example and included other electronics that may be used in an even of a power outage, such as:

  • Full-size fridge (80W per hour on average – Using the LG 26 cu. ft. 3-Door French Door Smart Refrigerator as the example model)
  • Smartphones x 6 (5W x 6 = 30W) – OR iPad OR Laptop
  • 1 CPAP machine (40W)
  • 3 CFL light bulbs for lamps or normal lights (15W x 3 = 45W)

The Titan setup I’ve used in the table below has two total batteries capable of 4,000Wh of total battery capacity. I compared this with three types of solar setups (note that with two Titan batteries, you can have a total of 2,000W of solar panel input):

  • 500W of solar panels
  • 700W of solar panels
  • 1,000W of solar panels

The solar panels have 65% efficiency in this example, which is about what you would get in real life. Good solar panels can get as much as 80% efficiency. As you’ll see, each of the solar arrays worked in this example.

The 500W array came close to powering down towards the last day of the example, so it would not be ideal to use this setup if you needed power for three days’ time.

If you scroll all the way to the very right of the table, you’ll see that the 1,000W array easily ran all of this equipment effectively for three days.

HourFridge (W)CPAP (W)Lights (W)Phones (W)Total W used (Approx.)500W panels (65% efficiency)700W panels (65% efficiency)1000W panels (65% efficiency)Battery life (Wh) Start at 4000WhBattery Life w/ 500W panelsBattery Life w/ 700W panelsBattery Life w/ 1000W panels
1 (10pm)-80-40-45-1653,8353,8353,8353,835
4 (1am)-80-40-1203,4303,4303,4303,430
8 (5am)-80-40-1202,9502,9502,9502,950
12 (9am)-80-30-1103254556502,5602,8853,0153,645
16 (1pm)-80-30-1103254556502,1203,7454,0004,000
20 (5pm)-80-45-1251,7553,3803,6353,635
24 (9pm)-80-45-1251,2552,8803,1353,135
DAY 2 (10pm)-80-40-45-1651,0902,7152,9702,970
4 (1am)-80-40-1206852,3102,5652,565
8 (5am)-80-40-1202051,8302,0852,085
12 (9am)-80-30-110325455650-1,7652,1502,345
16 (1pm)-80-30-110325455650-2,6253,5304,000
20 (5pm)-80-45-125-2,2603,1653,635
24 (9pm)-80-45-125-1,7602,6653,135
DAY 3 (10pm)-80-40-45-165-1,5952,5002,970
4 (1am)-80-40-120-1,1902,0952,565
8 (5am)-80-40-120-7101,6152,085
12 (9am)-80-30-110325455650-6451,6802,345
16 (1pm)-80-30-110325455650-1,5053,0604,000
20 (5pm)-80-45-125-1,1402,6953,635
24 (9pm)-80-45-125-6402,1953,135
Total: 72 Hours3rd2ndWINNER (1st)

Titan Solar Generator – Main Specifications

Titan solar generator front view
The Point Zero Energy Titan

Battery Specs

  • Battery Type: Lithium-ion NMC
  • Battery Capacity: 2,000Wh
  • Battery Cycle Life: 2,000 cycles to 80% capacity

Output Ports

  • AC Inverter (w/ one battery): 1,500W continuous, 3,000W surge
  • AC Inverter (w/ two or more batteries): 3,000W continuous, 6,000W surge
  • (1) RV 30A outlet
  • (6) 120V AC outputs
  • (4) USB adapters (8 ports total): Two with two smart USB-A, two with one smart USB-A, and one USB-C
  • (4) DC car cigarette lighter outputs (regulated at 13.8V)

Charging/Input Ports

  • (2) PV (solar) inputs, 35-145V/30A per port (up to 2,000W total)
  • Solar Input (w/ one battery): 1,000W max
  • Solar Input (w/ two or more batteries): 2,000W max
  • (2) AC charging inputs (600W each, 1,200W total)
  • (1) Car cigarette lighter DC input
  • (1) Battery expansion input (for third-party external batteries)


  • Inverter Power Consumption: 5-20W
  • Weight (Module + One Battery): 67 lbs
  • Dimensions (w/ one battery): 18.5 x 12 x 12 inches

Find my full review of the Titan here where I go more in depth on its specifications and features as well as what it comes with: Titan Solar Generator Review – The Best Large Solar Generator?

The Titan is available on shopsolarkits.com (affiliate link below). They also offer Titan kits with solar panels and/or additional batteries.

2. Goal Zero Yeti 3000 Lithium

Yeti 3000 Lithium

The Goal Zero Yeti 3000 Lithium solar generator is a high-capacity solar generator equipped with over 3,000Wh of lithium batteries.

Specifically for powering home refrigerators, check out the table below for running hours with and without solar recharging.

Refrigerator ModelSamsung 28.2 cu. ft. French Door RefrigeratorLG 26 cu. ft. 3-Door French Door Smart RefrigeratorGE 27.7 cu. ft. French Door Refrigerator (Energy Star)Whirlpool 28 cu. ft. Side-by-Side Refrigerator
Energy Consumption (kWh/Year)645708725747
Daily Energy Consumption (Wh)1,7671,9401,9862,047
Yeti 3000 Lithium (3,075Wh) - Usable Hours Without Solar37.5 hours34 hours 33.5 hours 32.5 hours
Yeti 3000 Lithium - Usable Hours With Max Solar Input (800W)UnlimitedUnlimitedUnlimitedUnlimited

With ten output ports, the Yeti 3000 can run other electronics and appliances in addition to your fridge. It also features a PWM and MPPT charge controller for faster solar charging.

One of the major benefits of this system is its included application called the Yeti App. This application comes in handy when using it to power your fridge and other appliances as you can monitor the charge/battery status as well as turn on/off ports from your phone.

This option is great for people who would like to use a solar generator with a refrigerator while on and off the grid. You can use the Yeti App’s Direct Connect feature while off the grid to monitor your Yeti 3000.

When on the grid, you can connect over WiFi to the generator to have it power your fridge whenever you need it to.

Yeti 3000 Lithium – Main Specifications

Yeti 3000 Lithium front view

Battery Specs

  • Battery Type: Lithium-ion NMC
  • Battery Capacity: 3,075Wh
  • Battery Cycle Life: 500 cycles to 80% capacity

Output Ports

  • AC Inverter: 1,500W continuous, 3,000W surge
  • (2) 120V AC outputs
  • (2) USB-A ports (12W max per port)
  • (1) USB-C port (15W max)
  • (1) USB-C PD port (60W max)
  • (2) 6mm ports (120W max)
  • (1) 12V car port (120W max)
  • (1) 12V High Power Port (240W max)

Charging/Input Ports

  • (2) High Power Charging Ports: 14-22V/30A (360W max per port)
  • Standard Input Max (using one High Power Port): 9 hours
  • Combined Input Max (using both High Power Ports): 6 hours
  • (3) 8mm ports: 14-22V, up to 10A (120W max)
  • Using Two Wall Chargers (5A each): 25 hours charge time


  • (1) Expansion Module port (under the lid – used with Goal Zero expansion modules only)
  • Weight (Yeti & MPPT charger): 68.6 lbs
  • Dimensions (w/o roll cart): 10.1 x 15.3 x 13.1 inches

Unfortunately, Goal Zero has discontinued the Yeti 3000 Lithium.

However, they have replaced it with the Yeti 3000X, which has several improved features, including a higher-powered inverter and solar input.

I highly recommend checking out the improved Yeti 3000X in my review post here: The Goal Zero YETI 3000X – In-Depth Review and Comparison.

You can also check out the differences between the 3000 Lithium and 3000X in my comparison article here: Goal Zero Yeti 3000X vs Yeti 3000 Lithium (Ports, Features, & More).

3. Inergy Flex

Inergy Flex with fridge

The Inergy Flex is a modular solar generator that has a very similar design to the Titan.

The Flex’s AC ports offer 1,500 watts of continuous power (3,000W surge) while its DC ports are all regulated at 13.8V.

Each Flex battery is 1,069Wh. On the right-hand side of this solar generator, you can insert up to 400W of solar input. With an optional MPPT charge controller from Inergy, you can increase the solar input to 1,200W maximum.

You can also make use of a wall socket or a car charging port to charge up this generator.

Here is the layout of the Flex AC when powering the following home refrigerators:

Refrigerator ModelSamsung 28.2 cu. ft. French Door RefrigeratorLG 26 cu. ft. 3-Door French Door Smart RefrigeratorGE 27.7 cu. ft. French Door Refrigerator (Energy Star)Whirlpool 28 cu. ft. Side-by-Side Refrigerator
Energy Consumption (kWh/Year)645708725747
Daily Energy Consumption (Wh)1,7671,9401,9862,047
Standard Flex AC (1,069Wh) - Usable Hours Without Solar13 hours12 hours11.5 hours11 hours
Flex AC x2 Batteries (2,138Wh) - Usable Hours Without Solar26 hours24 hours23 hours22 hours
Standard Flex AC - Usable Hours With Max Solar Input (400W)UnlimitedUnlimited11.5 hours (generator will shut down in morning because not enough battery for fridge)11 hours (generator will shut down in morning because not enough battery for fridge)
Flex AC x2 Batteries - Usable Hours With Max Solar Input (400W)UnlimitedUnlimitedUnlimitedUnlimited
Flex AC x2 Batteries + MPPT Supercharger - Usable Hours With Max Solar Input (1,200W)UnlimitedUnlimitedUnlimitedUnlimited

The table above mentions the MPPT Supercharger that gives a total of 1,200W of solar input. This is an add-on to the Flex generator that gives you three times the standard charging wattage from solar panels.

Getting this add-on is my recommendation for you if you intend to get a second or third battery pack because it will ensure that you will be able to fully recharge the Flex before nightfall.

This will prepare the generator to power your fridge throughout the entire night.

Inergy Flex AC – Main Specifications

Inergy Flex 1500 Portable Power Station

Battery Specs

  • Battery Type: Lithium-ion
  • Battery Capacity: 1,069Wh
  • Battery Cycle Life: 400-2,000 cycles to 80% capacity*

*Inergy has not given more accurate information on this wide range of charge cycles (400-2,000). They claim that if you use the system correctly and take proper care of the battery, it can last for up to 2,000 cycles.

Output Ports

  • AC Inverter: 1,500W continuous, 3,000W surge
  • (6) 110-120V AC outlets
  • (2) 60W USB-C PD ports
  • (2) USB-A ports with QC 2.0
  • (2) 5.5mm x 2.5mm DC outputs for LEDs & accessories
  • (2) 10A cigarette lighter ports w/ 13.8V regulated DC output

Charging/Input Ports

  • (1) EC8 input port
  • Solar Charging Time (w/ max input of 400W): 3.5-4 hours
  • Wall Charger (100W): 10.5-hour recharge time
  • Maximum charge rate per flex battery (w/ optional Flex MPPT Supercharger): 1 hour


  • 13.8V Regulated DC Power: Increases run time and stability for 12V devices
  • Weight (w/ one battery): 30 lbs
  • Dimensions: 14 x 8 x 8.9 inches

I have a comparison article that puts the Inergy Flex up against the Titan solar generator.

This article will give you a better idea of their similarities and differences to find the best model for your needs. You can find this comparison post here: Yeti 3000 vs. Titan – Two of the Most Powerful Solar Generators

What Size Solar Generator Do You Need to Run a Refrigerator?

A solar generator with at least a 2,000Wh (2 kWh) battery will run a full-size refrigerator for one day. To run the fridge for several days on end, you will need to have a solar input of at least 400W to completely recharge the battery during the day.

However, you may need to adjust your solar panel input depending on the size of your refrigerator.

From the four different fridge models given in the tables above, you have learned that the Titan, Yeti 3000, and the Flex will do a great job at powering most large home refrigerators when the power goes out.

Overall, the next question you may have is “what else can I power with a solar generator other than a fridge?”

To answer that question, you will first need to calculate the power consumption of the other devices/appliances you intend to run and compare that to the specifications of your solar generator.

To ensure you get enough power to run the items you’re looking to power, it’s best to get a battery (or batteries) that are bigger than you think you’ll need. This will ensure that you get the energy required to run your appliances with ease.

The next specification to review is the solar input. You need a high solar input in order to recharge the generator fast enough for it to run during the night and into the next day.

That being said, the best option for your fridge and other appliances/electronics is the Titan with two batteries and 1,000W or more of solar panels.

This option will ensure that you can run your fridge for days while also supplying power to other essentials you may need while off the grid.

Check out the Titan solar generator kit with two batteries and 1,500W of solar panels here for more information. This is an affiliate link, where I make a small commission on every sale.

Similar: List of All Solar Generators from EcoFlow – (Overview + Power Banks)

Power Consumption in Refrigerators

To be sure of whether you should power up your refrigerator with a solar generator, you must check the ratings on your fridge’s nameplate or in the manual listed online for your specific model.

The usual power rating given for refrigerators is in kWh per year.

For example, I’m going to use the 26 cu. ft. 3-Door French Door Smart Refrigerator made by LG Electronics.

The listed power consumption is 708 kWh/year. In order to use a solar generator with this fridge, we need to know:

  1. How much power is used per day in watt-hours (Wh)
  2. How much power the fridge is consuming at any given time

After this information is calculated, we can then match it with a solar generator that can perform according to the refrigerators stats.

How much power is used per day in watt-hours (Wh)

From the LG fridge example, take its 708 kWh and divide by 365 to get the daily kWh power consumption, which is about 1.94 kWh.

Next, we’re going to multiply by 1,000 because a kWh (kilowatt-hour) is 1,000Wh (watt-hours). This comes out to 1,940Wh.

How much power the fridge is consuming at any given time

A modern refrigerator typically only uses power for about eight hours per day. If you think your fridge runs for longer or if you have an older fridge, I recommend getting a power meter that will show you the details of your fridge’s power consumption.

All you do is plug it into the refrigerator’s power cord and then plug it into the wall. However, for the LG example I have, let’s say it uses its power at eight hours per day.

For full-size refrigerators, they use anywhere from 100-250 watts of power when they are on and active.

We want to find out where in this spectrum the LG fridge runs in terms of watts (W).

Taking the daily power usage in watt-hours (1,940Wh), divide this by the hours when the fridge is powered on through one day of work. We said that in one day it will only be on for eight hours total.

1,940 watt-hours used per day / 8 hours of operation = 242.5 watts

The LG refrigerator uses about 243 watts of power when it is on.

This calculation allows us to know how big of a battery we need for the solar generator (in watt-hours) and how much power we need it to give to the fridge when it turns on (in watts).

Continue Reading:

Bluetti EB150 vs EcoFlow Delta 1300 – Which Solar Generator is Best?

Can a Solar Generator Run an AC Unit?

Food Storage for Doomsday Preppers

Max Peters

Hi! I'm Max and I am passionate about off-grid solar technology and adventure! I'm using my knowledge of solar generators, solar panels, and everything in between to provide you with the best tools to keep you powered while off the grid. Read more about me here: About Max Peters."

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