As a rule of thumb, you will need about 100 watts of solar panels to generate enough power to cover your daily usage. But this is just a general idea. To find out how much solar panel you specifically need, you will need to determine your average daily kWh usage and then divide that number by the number of available sunlight hours in your area.

What You’ll Need

You will need to know a few things before you start shopping for solar panels. The first is what your power needs are. You will need to determine how much power you use on average per day and per month. This information can be found on your power bill.



Next, you will need to know what your climate is like.Solar panels work best in sunny climates, so if you live in a place that is cloudy or shady most of the time, you may not get as much use out of them as someone who lives in a sunnier location.



Finally, you need to know how much space you have for solar panels. They come in different sizes, so you will need to make sure you have enough room for the ones you want to purchase.

5 Best Solar Panels With USB-C & Compatible Most Power station

1

BLUETTI SP200 200w Solar Panel Review

It is an excellent option for those who are looking for a reliable and efficient way to power their power station. This solar panel is made of high-quality materials that are built to last, and it boasts an impressive 200-wattage output. It’s also very easy to set up and use, making it a great choice for both experienced campers and beginners alike.

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2

SunJack 60 Watt Portable Solar Panel Review

SunJack 60W 19V DC5521 port (60W max) can charge most power stations, while the dual USB ports allow you to charge USB-C (45W max) and USB-A (18W max) devices.

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3

Togo Power 100W Portable Solar Panel Review

TogoPower 100W Solar Panel is perfect for outdoor activities like camping and picnicking. It is made of high-efficiency monocrystalline silicon cells and can charge your devices while you are on the go.

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4

BLAVOR 120W Portable Solar Panels Review

This is a solar panel. It gets energy from the sun. It is 26% efficient. That means it is 6% better than normal solar panels. This solar panel has three ports that you can use to charge three devices at once.

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5

MERRAC Solar Panel 100W Review

I found this solar panel to be extremely versatile. It can be used to charge a power station, or it can be used to provide power for camping or RVing. It is also great for emergencies. The customer reviews on Amazon are positive overall, with some niggling points raised here and there.

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Solar Panel Basics

Solar panels are made up of individual solar cells that are connected together to form a panel. Solar cells are made of semiconductor materials, like silicon. When sunlight hits the solar panel, its solar cells take in the photons from the sun’s light and convert them into electrons of direct current (DC) electricity.

How Much Solar Panel Do I Need to Charge

The average home consumes about 10,400-kilowatt hours (kWh) of power per year. If you live in an area with a lot of suns, you may be able to generate all or most of this power with a solar panel system.

How much solar panel do I need to charge my house?

In order to answer that question, you need to know how much power your home uses and how much sun your location gets.

If you live in an area that gets pregnant winters, for example, your solar panels won’t produce as much power in the winter as they will in the summer. In some cases, you may need to supplement your solar panel system with a wind turbine or other source of renewable energy in order to produce enough power to meet your needs.

How Much Solar Panel Do I Need to Charge

The average automobile consumes 5 kilowatts of power, so it takes between 3 to 4 hours to charge using solar panels. For peak efficiency, you would need to have around 7 solar panels. Each solar panel would need to be around 100 watts.

It would be advisable to use power inverters (optional) to convert the DC power to AC power so DC appliances can use it. Also, it would be much more efficient to charge your car during the day when the sun is up.

How Much Solar Panel Do I Need to Charge devices?

It depends on the charge rate of the solar panel, the laptop battery’s capacity, and the time you want to charge it. If you check the specification on your laptop battery, the average charge rate is around 3A. So if your solar panel charging rate is 3.5~4A, it means you need a large panel, if it is less than 2A, you need a smaller panel. If your laptop’s battery capacity is 5200mah, then for a 1-hour charge, you need about 1.22W solar panel.

how many watts of solar panels do I need?

10w

40W

60W

100W

160W

iPhone

2716 mAh

10w

2.4 hours

40W

1.7 hours

60W

1.7 hours

100W

1.7 hours

160W

1.7 hours

iPhone Pro MAX

4,323 mAh

10w

3 hours

40W

1 hour

60W

1 hour

100W

1 hour

160W

1 hour

iPad Pro

7,538 mAh

10w

4.5 hours

40W

3 hours

60W

1.7 hours

100W

3 hours

160W

3 hours

MacBook Air

9,980 mAh

10w

–

40W

2.5 hours

60W

1.7 hours

100W

1.7 hours

160W

1.7 hours

Power bank

20,000 mAh

10w

11.1 hours

40W

2.8 hours

60W

1.9 hours

100W

1.1 hours

160W

1.1 hours

^ Above table solar cell efficiency at 24% & also depends device maximum supported charging speeds.

Full List: Best Portable Solar Panel

How to Size Your Solar Panel

The solar panel calculator will size your system for you and tell you exactly how many solar panels you need. Just choose your daily power usage, average sun hours, and panel type to get started. If you don’t know your average sun hours, we have a handy tool for that too!

Here are some tips to help you choose the right size solar panel:

-Choose the right panel type. Mono-crystalline panels are more efficient, but also more expensive. Poly-crystalline panels are less efficient, but also less expensive.

-Consider the price of installation when sizing your system. The larger the system, the more expensive it will be to install.

-Be sure to factor in efficiency when sizing your system. Not all solar panels are created equal! Higher efficiency panels will produce more power per square foot than lower efficiency panels.

Conclusion

If you want to use solar power for your home, you’ll need to know how much solar panel you’ll need to charge your batteries. The amount of sunlight that hits your panels, and the efficiency of your panels, will determine how much charge you can get from them. You can use our solar panel calculator to figure out how much solar panel you’ll need to fully charge your batteries.