You will need a total of 375.
How many solar panels and batteries do i need to run a refrigerator.
We set up the solar panels which we procured from windy nation.
The solar panels have to be connected to a battery and inverter to provide power to your fridge.
A simple answer would be to say that about three to four solar panels could do the job but you wouldn t know which solar panel is best for your case.
Solar power vs battery power.
Which when you consider the solar setup draws about 5 amps per hour total we have a decent amount of amps per hour leftover to do with what we please.
Really the question should be how much power do i need to power a refrigerator.
3 hours of run time needed 1500 watts 4500 watts total 12 volts dc 375 amps.
If you were using 200 watt panels you would need only three panels and four 300 amp batteries.
For this system you would need seven 75 watt solar panels and four 300 amp hour batteries.
A solar power setup suitable for refrigerator use requires several devices in addition to solar panels.
So we used a whole bunch of confusing math and figured everything out.
So in the case of a 12 volt deep cycle battery we are going to divide our 9 600 number watts a day for the refrigerator by 12 volts which tells us we need 800 amp hours.
A device called a charge controller will smooth the flow of power from the panels to the battery.
First off the answer behind how much solar power you need to run a refrigerator lies in the number of solar panels you need.
How many batteries do i need for my inverter.
You will need about 1 800 watts of 12 volt solar panels or about 1 400 watts of 24 volt panels.
Roughly our fridge draws 1 3 amps per hour.
But you will also need a large battery bank to supply.
So assuming we found some deep cycle batteries rated at 200 amp hours we would need four batteries for our system.
Because you can t power a fridge on solar panels alone.
At night there will be no power for the fridge and it will shut off.