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What can a 7500 watt generator run at the same time?

Author: Hou

Sep. 30, 2024

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What size Generator do i need to power my house..?

When it comes to generators, we commonly get asked the following question - What size generator do I need for my house? 

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Before buying a generator, there is one question you must ask yourself: Do I need the generator to power only the essential equipment or to power the entire house?

With a generator rated at 5,000 to 7,500 watts, you can run even the most critical household equipment, including things such as refrigerator, freezer, well pump, and lighting circuits. A -running watt generator can run all these appliances at once. However, to know what size generator is needed to power a house, you should check the exact wattage of your home appliances to be 100% sure. They are commonly listed on their labels in watts or amps.

Well, if you live in a disaster-prone area where power outages are common, then you should get a larger generator. Despite its higher cost, it could be a great investment and give you peace of mind. However, if you plan to only run it a couple of times a year in case of an emergency, a smaller generator that runs the essential equipment will be the best choice.

Calculating the right size generator to power your house.

First of all, its easy to measure in watts . As a reference, consider that small camping generators offer anywhere between to watts, while bigger home back up generators are up around the - watts.

To find out what size generator is needed to power a house according to your needs, you must estimate your energy needs.

1. Choose the devices you want to run

List all essential appliances you have to run during an emergency power outage if you need a generator for your home; such as your AC, refrigerator, and lighting circuits.

2. Add up the total wattages

Pay attention to:

&#; Starting watts(amount of power needed by the appliance to start)

&#; Running watts(energy needed by the appliance to run after the initial startup)

3. Choose a generator slightly bigger than your needs

&#; You get a few hundred extra watts, so the generator won&#;t be running at full load

&#; Reduce noise (run at full load makes it noisy)

So, if your power requirements total running watts, get a generator that offers at least rated wattage, and get a generator with rated and starting watts if the total running wattage of your appliances is and starting wattage is .

Power Management Tips

During power outages, the first priority is to provide sufficient light for the safety of your family. If power is out for several hours, you will want to power your refrigerator and freezer to ensure that no food spoilage occurs. Remember that it is not necessary to continually power these appliances if your generator has a small power output. Power management will allow you to utilize a small generator to power several appliances safely.

Portable generators over watts can be used to power microwave ovens, as well as toaster ovens and other electrical cooking devices, for meal preparation.

- watt size generators are ideal for customers who want to have their household fridges and freezers running with lights / charging etc all at the same time.

Bigger - watt sized generator models are great choices for homeowners with larger power requirements such as large household and bore water pumps, air conditioners / heating systems . These bigger models are well suited for use with a transfer switch to power priority circuits in your home. A qualified electrician should professionally install any home back up system utilizing a portable generator and manual or automatic transfer switch.

If you master the art of &#;power management&#; you will discover that a smaller portable generator can safely provide many of the conveniences you count on every day. And when the power comes back on, you will be able to take and use your generator camping, on the boat, as well as many other applications around the home.

What Can a -Watt Generator Run

There are larger generators that can produce 10,000 W of power, and there are also smaller generators that produce W or less power output. But, the -watt generator hits the middle spots. Suppose you want to run some larger household appliances, such as space heaters, air conditioners, freezers, etc., with the portable generator. In that case, the W generator can provide power to charge those devices &#; though not all at the same time.

If you are looking to purchase a W generator, it's essential to understand the different types of generators available in the market. For example, propane or gas generators use fossil fuels to work and emit toxic fumes when charging appliances. On the other hand, inverter generators and solar generators use clean energy and do not emit any harmful gases. Let's explain them briefly :

-Watt Portable Generator : As their name suggests, the W portable generator has a wattage capacity of and generally features wheels or handles for easy movement.

-Watt Inverter Generator : Inverter generators are best known for their quiet and fuel-efficient nature. They are much preferred for charging sensitive electronics like mobile phones, laptops, TVs, and even RVs.

-Watt Solar Generator : Solar generators are reliable and emission-free alternatives to gas and propane generators. They often come with solar panels to generate electricity and charge the portable power station, which can then power household, RV, or outdoor appliances.

Before you choose the generator, it is essential to understand different terms related to wattage. Here, we will explain them :

Starting Watts : As the name suggests, the starting wattage is the wattage required by any indoor or outdoor appliance to start. Many appliances need more wattage to start up and less to keep running.

Running Watts : Sometimes referred to as rated wattage, it is the amount of electricity required to keep the appliance running for hours. It is typically the multiplication of amps and volts of the specific appliance.

Surge Watts : It's the highest amount of wattage or power a generator can produce while charging the appliances. Generally, the surge peak output of the Jackery Explorer Portable Power Stations is double their rated wattage.

Watt-Hour : It is equal to one watt of power delivered in one hour. The watt-hour also defines the battery capacity of the solar generator or portable power station, indicating how much energy it can supply. A generator with a higher battery capacity ensures you can run appliances for long hours.

What Size Generator Do I Need?

The size of the solar generator needed to power a household, work site, RV, or any outdoor adventure will depend on the wattage of the appliances you are charging simultaneously. A generator that can provide anywhere between - W would be enough to charge a typical household. With a -watt generator, you can expect to charge almost all the essential household appliances, such as air conditioners, refrigerators, sump pumps, light bulbs, and TVs.

If you are still wondering "what size generator do I need," you need to follow a few steps mentioned below :

Step 1 : List the Appliances

The first step is to list all the appliances that you plan to use "simultaneously" in your household, RV, or while camping. You need to take into account both the running and starting wattage of the chosen appliances.

For example, we assume you want to charge the below-mentioned appliances at the same time :

  • Refrigerator : 600 W running / W starting
  • CPAP Machine : 30 W running
  • Coffee Maker : W running
  • Electric Water Heater : W running
  • Window Air Conditioner : W running / W starting

If you cannot find the wattage consumption on the appliance itself or in the user manual, consider multiplying amps by volts to get watts.

Step 2 : Add Appliance Wattage

Now, add the running wattage of all the appliances you chose in the previous step. In this case, the total running wattage is W.

Step 3 : Calculate Total Generator Watts

Find the electrical appliance with the highest starting wattage in the list and add the number to the total running watts. Here, the window air conditioner has the highest starting wattage of W. The total running and starting watts are equal to W.

The obtained number ( W) is the minimum starting wattage of the generator you need.

Here's the diagram that reveals the calculation and how to determine what size generator is required for the needs.

What Can a Watt Generator Run?

A W generator can run most small and large appliances, including large window ACs, refrigerators, deep freezers, water heaters, sump pumps, etc. The best method to understand what can a -watt generator run is by checking the running and starting watts of the appliance. In the case of a W generator, remember that the running wattage is watts, and it will have around - W of surge power capability.

Will a -watt Generator Run a House?

Yes, a W solar generator is a decent-sized generator for most household appliances, including space heaters, ACs, refrigerators, TVs, mobile phones, coolers, and sump pumps. However, it is always a good idea to balance what appliances you are planning to run at the same time with your -watt generator for the house. For example, running a dishwasher, washing laundry, and keeping the AC on all at the same time can put a strain on a -watt generator.

House Equipment

Running Watts

Starting Watts

Blender

300 W

0 W

Air Fryer

W

0 W

Hot Water Dispenser

800 W - W

W

Ice Maker

90 W

0 W

Electric Blanket

400 W

0 W

Work Site

Large W generators are suitable for work site appliances that demand high wattage, such as bench grinders, table saws, miter saws, pressure washers, and electric drills. Remember, some power tools and motor-driven equipment used at work sites are measured by horsepower. It's always a wise idea to double-check the starting wattage required for motor-driven equipment, as it may need nearly two to four times as much power to start as it does to run.

Work Site Equipment

Running Watts

Starting Watts

Angle Grinder

W

W

Pressure Washer

W

W

Circular Saws

W

W

Floodlights

500 W

0 W

Electric Drill

600 W

900 W

RV

A W portable generator for RV can run most &#; if not all &#; your RV appliances, such as refrigerators, lights, TVs, and heating and cooling systems. You need to make sure you've enough space for a W generator in your RV. Generally speaking, you can charge most appliances in Class A RV with two AC units (each 15,000 BTU) using a - W generator. However, if you want to power multiple appliances in the Class A RV with three AC units (each 15,000 BTU) at the same time, you might need a larger 10,000-watt generator or 15,000-watt generator.

RV Appliances

Running Watts

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Starting Watts

Dehumidifier

800 W

W

RV Roof-Top AC (11,000 BTU)

W

W

Space Heater

W

W

Clothes Washer

W

W

Inflator Pump

50 W

150 W

Off-Grid Living

A -watt generator can power most off-grid living appliances, including a refrigerator, freezer, sump pump, lights, television, computer, and a few smaller appliances. It typically has a peak (starting) power output of - watts and a running (continuous) power output of watts. If you are looking to practice complete off-grid living and switch to clean energy, it's best to consider an expandable solar generator. This will help you expand the battery capacity of the generator, depending on your electricity needs.

Off Grid Appliances

Running Watts

Starting Watts

Electric Stove

800 W

0 W

Microwave

600 W

0 W

Toaster Oven

W

0 W

Light Bulbs

75 W

0 W

Washing Machine

W

W

Jackery W Portable Generators

Jackery currently does not offer a W generator, but you can build a W rated and W surge power generator by combining a 2*Jackery Explorer Plus Portable Power Station with a parallel connector. If you need more power, you can attach 5*Jackery Battery Pack Plus to each Jackery Explorer Portable Power Station and expand the capacity up to 24 kWh. Here, we will reveal different Jackery Solar Generators suitable for various use cases, such as home emergencies, RVing, camping, and worksites.

Jackery Explorer Plus Double Kit ( W/240 V/4 kWh)

The Jackery Explorer Plus Double Kit combines two Jackery Explorer Plus Portable Power Station in parallel connection. You'll get the free parallel connector with the double kit to connect the portable power stations together and build a larger generator. It has a stable LiFePO4 battery that can supply steady electricity to 99% of household or RV appliances for long hours. The multiple AC and DC output ports available will help you charge around 18 devices at the same time.

Jackery Solar Generator Plus Kit ( W/120 V/6 kWh + 2*Jackery SolarSaga 200W Solar Panels)

The Jackery Solar Generator Plus Kit (6 kWh) is a sizable battery-powered generator and a great -watt generator alternative. It can supply continuous electricity to midsize and large appliances, including ACs, refrigerators, coolers, space heaters, electric water heaters, etc. The two Jackery SolarSaga 200W Solar Panels available will help you recharge the portable power station even when there is no nearby electricity outlet available. Since it has double wheels and a suitcase design, you can move the solar generator to different places to charge appliances at a worksite.

Jackery Solar Generator Plus Kit ( W/120 V/24 kWh + 6*Jackery SolarSaga 200W Solar Panels)

The Jackery Solar Generator Plus Kit (24 kWh) is a whole home battery backup solution that can charge most household appliances for a relatively long time. It's a powerhouse that can supply electricity to indoor appliances for over two weeks and even outdoor appliances when enjoying long RV trips. Suppose you want to practice off-grid living and generate your own electricity using foldable solar panels and a portable power station. In that case, the large Jackery Solar Generator Plus Kit (24 kWh) seems a more reliable choice.

Product

Output Rated / Surge Watts

Capacity

Appliances Running Time

Jackery Explorer Plus Double Kit ( W/240 V/4 kWh)

W / W Surge Peak

.6 Wh

Blender (300 W) : 11.5 H

Air Fryer ( W) : 2.3 H

Circular Saw ( W) : 2.4 H

Electric Drill (600 W) : 5.7 H

Clothes Washer ( W) : 3.1 H

Jackery Solar Generator Plus Kit (6 kWh)

W / W Surge Peak

.4 Wh

Blender (300 W) : 17.3 H

Air Fryer ( W) : 3.4 H

Circular Saw ( W) : 3.7 H

Electric Drill (600 W) : 8.6 H

Clothes Washer ( W) : 4.7 H

Jackery Solar Generator Plus Kit (24 kWh)

W / W Surge Peak

.6 Wh

Blender (300 W) : 69.4 H

Air Fryer ( W) : 13.8 H

Circular Saw ( W) : 14.8 H

Electric Drill (600 W) : 34.7 H

Clothes Washer ( W) : 18.9 H

How Many Amps Does a -Watt Generator Put Out?

A 7,500-watt solar generator will produce nearly 31.25 amps at 120 volts or 40 amps at 240 volts. This is because amps are equal to wattage divided by voltage.

Here is the mathematical representation of the formula :

Amps (I) = Watts (W) ÷ Volts (V) 

When the wattage is W and volts are 120 V, the amps are :

I = W ÷ 120 V = 31.25 A.

Similarly, if the volts are 240 V, the amps will be :

I = W ÷ 240 V = 40 A.

Let's take another example to understand :

Jackery Explorer Plus Portable Power Station has a LiFePO4 battery capacity of .8 Wh and is typically operated at 44.8 V DC. The amp-hour can be calculated using the below formula :

Amp-hour (Ah) = Watt-hour (Wh) ÷ Volts (V) = .8 Wh ÷ 44.8 V DC = 45.6 Ah.

This means that the Jackery Explorer Plus Portable Power Station will produce nearly 45.6 amp-hours of power.

What is the Quietest Watt Generator?

Compared to gas or propane generators, solar generators are quiet as they do not have any moving parts. For this reason, solar generators are preferred for charging indoor appliances at night. The Jackery Explorer Plus Portable Power Station features a Quiet Charging Mode that ensures the emitted noise level is less than 30 dB.

You can quickly activate the feature using the Jackery mobile app and freely run the generator to charge appliances overnight. Additionally, the Jackery Explorer Plus Portable Power Station has a capacity of .8 Wh and can be expanded up to 24 kWh, making it ideal for running appliances for a long time.

How Long Does a -Watt Generator Last?

The running time of a W generator will depend on how many appliances you are charging at the same time. For example, if you are charging appliances that consume high wattage, the running time of the generator will be lower.

Here's an example to understand better :

Suppose you are charging a refrigerator (600 W), electric stove (800 W), TV (150 W), and LED lights (30 W) at the same time. If you are charging all these appliances with the Jackery Solar Generator Plus (6 kWh), the working hours can be calculated using the below formula :

Working Hours = Battery Capacity in Wh × 0.85 / Wattage Consumption of All the Appliances = .4 Wh × 0.85 / W = 3.2 H.

We are multiplying the solar generator's battery capacity by 0.85 instead of 100 because charging the appliances will cause some power loss.

Conclusion

If you are planning to buy a -watt generator, we recommend you understand the power consumption of the appliances you want to charge simultaneously. The choice of the best generator for residential, camping, worksite, and RV appliances will differ depending on what you want to run.

If you are still unsure which solar generator will fit your needs, you may consider the expandable and versatile Jackery Solar Generator Plus, which can be expanded from 2 kWh to 24 kWh. If you wish to charge essential worksite appliances for some time, the Jackery Solar Generator Plus (6 kWh) might be a good choice.

On the other hand, if your goal is to go off-grid and charge most household appliances with solar energy, you might find the Jackery Solar Generator Plus (24 kWh) more reliable.

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