Off Grid Solar Calculator – for Eco-Worthy 10W PV Polycrystalline Solar Panel System kit

This Off Grid Solar Calculator will help you calculate the number of batteries and the number of solar panels you need for your offsite cabin or that boat or RV based on the Eco-Worthy 10W  Solar Panel Kit.

The calculator has the specifications of the solar panels which come with this kit.  You will have to choose the batteries you will use. Batteries are not part of the solar panel kit. The other issue is you will most certainly need more than the single panel that comes included in the kit.

To get you started off I have assumed you will use 12V 20 AH batteries like the ExpertPower 12V battery shown below.  You can change these values depending on your choice of  batteries.

You will have to choose the kind of appliances you would like to use in your RV or cabin or when you are camping. The choice of appliances will determine the load. I have included some common loads and you can add anything else yo might want in terms of additional loads using Q2) in the calculator.

This table here shows the default values of the panel wattage, the hours of sunlight, battery voltage and capacity that I have used to pre populate the calculator. You can change those values in the calculator AND you must choose the load or appliances.

What is the wattage of the solar panel in your Kit? 10 Read Review
How many hours of bright sunlight do you expect? 6
What is the voltage of your battery? 12
What is the capacity in Amp Hrs (AH) of your battery? 20

Based on the information you entered about the type of panels, batteries and your usage – the calculator will tell you how many panels and batteries you need to power the cabin/RV for 1 day.  The calculator will let you know if you need to buy additional panels with your kit and also the number of batteries you will need.

This Solar Panel Kit – Off Grid Calculator assumes you require enough power from the solar panels to charge the batteries from about 50% capacity to a 100% capacity in 1 day.  If you discharge your battery to very low levels, it will stop working and you won’t be able to recharge it.  Its best not to discharge your battery to below 50%.

It also assumes that you get bright sunlight for the hours you entered into the calculator. If you are up north with shorter days, I would suggest keeping the hours of sunlight at about 4 or less. The number of solar panels and batteries is based on the assumption that the appliances indicated will be used for 1 day on battery power. The solar panels will recharge the batteries to a 100% every day after the panels will produce enough power to recharge the battery to a 100% in one day.

You can also see a calculator for other solar panel kit by clicking on the links beside each solar panel kit graphic.

 Eco-Worthy 10W Solar Panel System kit  Go to calculator  Read Review
 Eco-Worthy 20W Solar Panel Kit  Go to calculator  Read Review
 HKYH 30W Solar Panel Kit  Go to calculator  Read Review
 Renogy 50 Watt Solar Starter Kit  Go to calculator  Read Review
 Renogy 100 Watt Solar Starter Kit  Go to calculator  Read Review
 WindyNation 100 Watt Solar Panel Kit  Go to calculator  Read Review
 Renogy 200 Watt Solar Starter Kit  Go to calculator  Read Review
 Renogy 400 Watt Solar Starter Kit  Go to calculator  Read Review
 WindyNation 400 Watt Solar Panel Kit  Go to calculator  Read Review

There is a lot more you can do with solar.Thank you for visiting

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Disclaimer :-  This calculator is for illustration purposes only.  Results are approximate. Location, hours of sunlight and battery conditions and maintenance will affect results. Your comments are welcome.

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