How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (2022)

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (1)

The idea of a completely silent power generator that can still run large power loads, and never need gasoline is a really cool concept. This project goes over the build of a large 2000W Portable Solar Generator that can power appliances ranging from a table saw to charging your phone effortlessly.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (2)

STEP 1 : SELECTING A BOX

We need a large box to hold our basic components. Here we use a pelican 1620 protector case that is durable, dustproof, and waterproof . This is going to be the case that we pack everything into. It’s got wheels on the bottom so you can roll it around, also has heavy handles on either side.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (3)

STEP 2 : ADDING A DEEP CYCLE BATTERY

The battery is an AGM glass mat, the coil would style, 12V optima deep cycle battery. A deep cycle battery just allows you to get a little bit deeper into the discharge before you are starting to shorten the life of that battery. This battery also has the ability to be mounted in any orientation. So it is safe whether the battery is on its side on its back or even upside down as long as we have it mounted securely so that nothing shorts against our terminals.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (4)

STEP 3 : INVERTER AND THE SOLAR PANELS

The next major component for our build is the 2000W inverter from Krieger. This one has some large terminals on the back for our wiring. Also has an active fan here for ventilation. Also comes with a remote control switch.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (5)

The 100W Solar Panel is from Renogy. It has the bus on the back for connecting to your solar charger. It also comes with a 30A Solar Charge controller. This can run up to four of the 100-watt panels in a 12-volt system. The back of the solar panel comes pre-wired with MC4 connectors, as well as a couple of MC4 pigtails. We use high-quality 16 gauge speaker wire to extend the connection. These wires are highly flexible for portable use. To connect it to the MC4 pigtails we need to go ahead and strip the insulation off and use butt splice connectors to crimp them to the MC4 pigtails.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (6)

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (7)

In case you cant to charge the system with standard AC power, we use a 1.5A Battery maintainer / Float or Trickle charger. This will be good for just keeping it topped off when it is in storage. Or if you just want to charge up your batteries and you really don’t have a place to be setting the panels out.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (8)

STEP 4 : MOUNTING INTERNAL AND EXTERNAL COMPONENTS

The next step is mounting components on the outside of the case. Before mounting any component, factor in how the internal components are going to place inside the case. On one side of the case, we are going to mount a small LED work lamp with the toggle switch, a 12V gauge pod with 5V USB output, a digital voltmeter,12V cigarette socket, an AC input plug for using with the trickle charger, a 6pin solar panel trailer connector. These components are secured in place using an RTV silicone sealant.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (9)

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How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (10)

On the other side of the case, we are going to mount the inverter remote control switch, 350A high current plug which is used for jumper cables or to add high current loads, and a GFCI AC outlet with a weatherproof cover. The GFCI outlet is connected to the inverter inside the case.

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STEP 5 : INSTALLING THE BATTERY AND THE INVERTER

We want to put the battery as close to the wheels as possible because that will help keep the heaviest part down low when moving the case around either on the wheels or by carrying it. We place it snugly into a corner of the case using a battery mount and a couple of pieces of 2X4.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (12)

The inverter is placed inside the case in such a way that there is enough space for air ventilation and for tucking some of the wires underneath. The inverters are secured in place using mounting tabs and 10×24 machine screws.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (13)

The PWM solar charge controller is also mounted in the same way near the solar panel connector input.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (14)

The trickle charger/battery maintainer is placed as low into the back of the case. This is not something that will get very warm so we don’t need to worry about heat dissipation or anything like that. We plug the power cord from the trickle charger into the AC input cord.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (15)

STEP 6 : THE WIRING

The next step is the wiring. We start by connecting the power cables from the inverter to the battery. The positive and negative from the inverter are connected to the positive and negative of the battery respectively. To distribute power in our generator, we use a six-circuit fuse panel for the positives and a busbar for the grounds.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (16)

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (17)

We use two inexpensive battery cables to run the power to our distribution blocks as well as running the power to our high current quick connector. The positive red connection from the quick connector goes to the fuse panel and the black negative connector to the ground busbar. Both connections are further extended to connect to the positives and negatives of the battery respectively.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (18)

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The LED lights are connected to the 3-way connector switches. The switches are further connected to the power distribution fuse block. Similarly, a single switch is connected to the USB outlet, voltmeter, and cigarette lighter ports in parallel. The positive from the switch is connected through a daisy chain mechanism to the three positives of the ports,the negatives are similarly connected to our distribution block.

How to build a Large 2000W Portable Solar Power Generator at Home from scratch. (19)

At this point, we now have a power wire and a ground wire for every single one of our accessories connections. We bundle these wires and keep it neat and tidy using zip ties. Separate the positive wires from the negative wires, we are going to be rounding the negative wires to our ground busbar. After we have all of the ground wires connected, we can move on to the power wires on our distribution block. Each one of the blade connectors represents one fuse circuit. We connect the positive red wires from the charge controller, battery trickle charger, USB ports, voltmeter,12V outlet to the fuse circuit.

We are using a 30A fuse for the charge controller,12V socket, 20A for the LED work lights, and 5A for the trickle charger.

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FAQs

How many solar panels does it take to produce 2000 watts? ›

Anyway, to make up a 2kW Solar System you need 8 solar panels, assuming that you use 250W panels (370W panels are a little larger, but you don't need as many of them). Each panel will be about 1.6m x 1m, so you'll need at least 13m2 of roof space.

What portable solar generator can power a house? ›

Top Solar generators for a house.
  • 1 BLUETTI AC300, Editors choice.
  • 2 EcoFlow DELTA Pro, Highest Inverter Capacity.
  • 3 BLUETTI AC200 Max, Best Money Value.
  • 4 EcoFlow DELTA Max,
  • 5 EP500,
  • 6 Goal Zero 6000X,
  • 7 Goal Zero 3000X.
  • 1 BLUETTI AC300, Editors choice.
10 Feb 2022

What is the biggest solar generator you can get? ›

EcoFlow DELTA Pro Portable Power Station

First up, the EcoFlow DELTA Pro is the most powerful solar generator currently available. It offers an incredible 3600W pure sine wave inverter continuous power output, along with 3600Wh of LiFePO4 battery capacity.

Can you build your own solar power system? ›

Solar panels are a great option for renewable energy generation, and you can even build them on your own. Building your own solar system to harness solar energy is a big undertaking, but for many DIY-ers or anyone interested in engineering, it can be a fun and rewarding project.

Is there such a thing as a whole house solar generator? ›

A whole house solar generator allows you to cover all of your home's electricity needs at once, even if you have a high electrical demand (for example, if you live in a larger home or need more than an emergency system for medical equipment).

How many batteries do I need for a 2000 watt solar system? ›

Helpful Expert Reply: Typically two batteries are needed for a 2,000 watt inverter like the part # 34278156 that you referenced.

How many solar panels does it take to run a dryer? ›

Another appliance combo is the washer and drier, which account for an estimated 63 kWh every moon cycle. Thus, they will require about three solar panels to run.

Are solar panels better in series or parallel? ›

Solar panels in series are optimal in unshaded conditions. If shade covers a single panel of your series array, it will bring down the whole system's power output. Each panel in a series connection is critical. Solar panels in series are also best if you need a low-amperage system.

Do solar generators work on cloudy days? ›

Photovoltaic panels can use direct or indirect sunlight to generate power, though they are most effective in direct sunlight. Solar panels will still work even when the light is reflected or partially blocked by clouds.

What is the best solar generator for home? ›

10 Best Solar Generators (Reviewed by An Electrical Engineer)
  • Bluetti AC200P Portable Power Station. ...
  • Renogy Lycan 5000 Power Box — Best for Home Backup. ...
  • Jackery Explorer 1000 — Best Value Option. ...
  • Bluetti EP500 5100Wh/2000W Power Station — Most Capable. ...
  • Goal Zero Yeti 3000X Portable Power Station — Best for Parties.
28 Aug 2022

What size solar generator do you need to run a house? ›

As a general rule, the generator should be around 2 times the size of the inverter's continuous output. For example, a 4,000-watt inverter should be paired with an 8,000-watt generator. 8kW would make sense as a minimum generator size to power the loads and have enough power to charge the battery bank as well.

How long will a solar generator power a refrigerator? ›

“Refrigerator (400-800W) 12-24 hours

Now you may be thinking that 12 hours is all it will need to run, because the sun will come up, recharge the batteries, and you'll be ready for another night.

How long does a solar generator run? ›

The higher the capacity, the longer the battery will last. For instance, a 1,000 Wh solar generator can power a 60-watt lightbulb for almost 17 hours! Most solar powered generators have all-in-one designs, so the solar charger and inverter will be included in the battery pack.

How do you connect two solar panels to two batteries? ›

Charging two batteries in Parallel with one Solar Charge Controller

Can I build my own solar array? ›

If you're DIY-minded, you can build your own solar power system. In some cases, you can even build your own solar panels, although the amount that you can effectively DIY home solar depends on how much you want to power.

How do you make a solar panel from scratch? ›

DIY Build Solar Panels 1/2: Homemade from Scratch - YouTube

Can solar power be used as a backup generator? ›

Solar panels don't provide backup power on their own, and when the grid goes down, all grid-tied solar systems are automatically shut off. To maintain power during an outage, you'll need to install solar battery storage or a backup generator with your solar system.

Can solar be used as backup generator? ›

Key takeaways. Solar panels do not work during power outages, so homeowners need a backup power supply if they want to run their home without the utility. Gas generators are the most popular form of backup power and can be installed at a home that has solar panels.

What is the best solar generator for off grid living? ›

Here are the six best solar generators for off-grid living, whatever your reason is for doing it.
  • EcoFlow DELTA Mini.
  • EcoFlow DELTA.
  • EcoFlow DELTA Max.
  • EcoFlow RIVER.
  • EcoFlow RIVER Max.
  • EcoFlow RIVER Pro.
19 Jul 2022

How long will a 12-volt battery last with a 2000 watt inverter? ›

If you max out the inverter at 2000 watts, you are pulling 2000 watts /12 volts = 166.6 DC amps per hour. If you use a 200-amp 12-volt battery, you would divide the 200-amp battery / 166.6 amps = 1.2 hours of run time.

What size battery do you need to run a 2000W inverter? ›

A 1000W inverter should be coupled with 2 x 120A batteries. A 2000W inverter will need 3 x 120Ah batteries.

How big of a battery do I need to run a 2000W inverter? ›

How Many Batteries Are Needed for a 2000W Inverter? Two thousand watts will be the maximum output from your inverter. However, the way that this corresponds to battery capacity can be very complex. Your 2000-watt inverter can run through a 200 amp-hour battery in an hour when running at full power.

How many solar panels do I need to run a TV sound system and lights? ›

For example, if we want to run 50W TV for 6 hours per day, we need one 100W (~94W) solar panel and a power station that is able to store 400Wh (~375Wh) of energy. And this is given with the following assumptions: 8 hours of daylight, 50% solar panel efficiency, 80% solar generator efficiency.

How many solar panels does it take to run a washing machine? ›

A standard washing machine running on solar energy will need a 300-watt solar panel if it utilizes 300-500 Kwh energy. Usually, you only need one solar panel from a reliable manufacturer to power a washing machine.

How many solar panels and batteries do I need to run a refrigerator? ›

How many solar panels do I need to run a refrigerator? The average refrigerator takes about three or four average solar panels to run. The average refrigerator found in the United States uses approximately 57 kWh per month while the average freezer uses 58 kWh. Adding those together brings a combined total of 115 kWh.

Can I mix 100 watt and 200 watt solar panels? ›

The short answer is, yes, you can mix solar panels that have different wattages. But it is not usually advised, because mixing different wattage panels reduces the efficiency and power output.

Can you wire 3 solar panels in series? ›

Solar photovoltaic panels can be electrically connected together in series to increase the voltage output, or they can be connected together in parallel to increase the output amperage.

Does connecting solar panels in series increase wattage? ›

As we said above, when connecting solar panels in series, we get an increased wattage in combination with a higher voltage. 2) the solar array output voltage is fed to an inverter or charge controller of a typically higher input voltage compared to off-grid systems.

Does rain damage solar panels? ›

Rain itself will have no effect on your solar energy system. Solar panels are waterproof, so moisture won't damage them. And, in fact, rain is helpful in that it will wash off some of the dirt and debris that accumulates on the panels over time. What about severe storms or a hurricane?

What temperature do solar panels stop working? ›

In the winter, it's also less likely for solar panels to reach their peak temperature, or peak power. Once their temperature rises above that peak temperature, solar panel performance decreases. Research has demonstrated that panels begin losing efficiency around 77ºF.

Do solar panels drain batteries at night? ›

A very common question asked by many. The answer is yes. Solar panels will discharge at night if your solar panel doesn't have a diode or it is broken. In fact not only does it happen at night, but it also happens when the panel doesn't get sunlight.

What is the fastest charging solar generator? ›

The Solar Generator 2000 Pro is the latest outdoors/backup generator from Jackery that can charge using solar panels. In fact, the OEM asserts that it can re-charge to 100% in this way in just 2.5 hours - so long as enough new same-brand panels are hooked up to the portable power station.

Can you use a solar generator while charging it? ›

Solar generators can be used while charging, but there must be sufficient power. You might run into problems when the power demand exceeds what your generator can supply. To make sure the charge keeps up with the power demand, make sure to power only appliances that the generator can handle.

How loud is a solar generator? ›

It has no noise

You won't hear any noise from a solar generator as you would find in a conventional fuel-powered generator for obvious reasons. There are no moving parts in a solar generator, and the only noise you might hear will come from the inverter. And still, this noise is minimal.

How many solar panels do you need to power a house? ›

An average home needs between 20 and 24 solar panels to fully offset utility bills with solar. The number of solar panels you need depends on a few key factors, including geographic location and individual panel specifications.

How many watts do you need to power a house? ›

How many watts does it take to power basic items in an average size house? In a typical home, essential items will average 5000 - 7500 watts of power to run.

What is inside a solar generator? ›

The solar panels convert sunlight into direct current (DC) electricity that is then passed through the charge controller. The charge controller regulates the voltage of the electricity into the battery, where the solar energy is then stored for use later. Most solar generators sold today are lithium ion batteries.

What is the best solar generator for off grid living? ›

Here are the six best solar generators for off-grid living, whatever your reason is for doing it.
  • EcoFlow DELTA Mini.
  • EcoFlow DELTA.
  • EcoFlow DELTA Max.
  • EcoFlow RIVER.
  • EcoFlow RIVER Max.
  • EcoFlow RIVER Pro.
19 Jul 2022

How do you make an electric generator? ›

How to Build an Electric Generator
  1. Decide what source of energy you want to convert to electricity. ...
  2. Coil a length of wire to form a fairly large loop, making sure the two ends of the wire are accessible. ...
  3. Connect the wire loop to your energy source, e.g. the bicycle axle.
13 Apr 2011

How does a solar generator work? ›

A solar generator works when a solar panel converts sunlight into direct current (DC) electricity that passes through the charge controller. Then, the solar energy is stored inside the battery. The inverter turns the electricity into accessible alternating current (AC) power.

What is the best type of battery for solar generator? ›

Lead-acid and lithium-ion are the two most popular types of solar batteries. Lithium-ion batteries are the best option due to their longer lifespan and larger solar energy storage capacity. However, lead-acid and saltwater batteries are more affordable.

Do solar generators work on cloudy days? ›

Photovoltaic panels can use direct or indirect sunlight to generate power, though they are most effective in direct sunlight. Solar panels will still work even when the light is reflected or partially blocked by clouds.

What kind of batteries do solar generators use? ›

In the majority of cases, lithium ion batteries are the best option for solar powered generators, though various other types of batteries can be more affordable.
  • Lead acid. Lead acid batteries have been used in off-grid applications for decades, making them one of the most tested battery solutions. ...
  • Lithium ion. ...
  • Saltwater.

What is the average lifespan of a solar generator? ›

Throughout its lifetime, the average solar generator will last between 25 and 35 years.

Can solar generators be used 24 7? ›

A: - Yes, you can keep your solar generator plugged in 24/7 to either a wall outlet at your home, or to solar panels.

How long does a solar generator battery last? ›

Home solar battery units last anywhere between 5 and 15 years. If you decide to install a solar battery today, it's almost certain you'll need a replacement in the future to match the 20- to 30-year lifespan of your solar power system.

How can I generate electricity at home for free? ›

Generating Electricity at Home
  1. Residential Solar Panels. Every ray of sunshine that lands on your roof is free electricity for the taking. ...
  2. Wind Turbines. ...
  3. Solar and Wind Hybrid Systems. ...
  4. Microhydropower Systems. ...
  5. Solar Water Heaters. ...
  6. Geothermal Heat Pumps.
26 Sept 2018

What is the cheapest way of generating electricity? ›

It is now cheaper to build a new solar or wind farm to meet rising electricity demand or replace a retiring generator, than it is to build a new fossil fuel-fired power plant. ... On a cost basis, wind and solar is the best economic choice in markets where firm generation resources exist and demand is growing."

What size solar generator do you need to run a house? ›

As a general rule, the generator should be around 2 times the size of the inverter's continuous output. For example, a 4,000-watt inverter should be paired with an 8,000-watt generator. 8kW would make sense as a minimum generator size to power the loads and have enough power to charge the battery bank as well.

How long will a solar generator power a refrigerator? ›

“Refrigerator (400-800W) 12-24 hours

Now you may be thinking that 12 hours is all it will need to run, because the sun will come up, recharge the batteries, and you'll be ready for another night.

Do solar generators work at night? ›

Solar panels work hard all day producing electricity from the sun. They also support sustainable solar energy solutions at night. You can continue benefiting from their energy production after sunset through net metering and solar battery storage.

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