mixing panels of different outputs

beaky · February 2021

can I wire a 100w panel and a 120w panel in parallel? I assume the 120w panel output will drop to the level of the 100w unit

Sharon_is_SAM · February 2021

https://solarpanelsvenue.com/mixing-solar-panels/

Assuming the 100 watt panel has a lower voltage, mixing panels of different voltage will result in a lower voltage.

beaky · February 2021

my take is you are lowering the 120w panel to the level of the 100w but doubling the amp output. the voltage output/amp output of the 2 panels is almost exactly equal anyway

Sharon_is_SAM · February 2021

Yes. You will be good with 200 watts!

Fourman110 · February 2021

@Sharon_is_SAM said:
Yes. You will be good with 200 watts!

When I finally upgraded to 200W monocrystalline setup (along with battery capacity sized to store enough power), I finally felt like I had enough power collected to meet my needs. With my 100W polycrystalline it always felt like I was constantly minimizing every use, often below what I wanted for fear I’d run the battery too low and damage it. When it comes to solar, a little too much is far better than a little too little.

beaky · February 2021

for me the only real power draw is the fridge, the flex panels are not as efficient as hard panels in suitcase form but are really easy to hook up and soak up charge while towing

mixing panels of different outputs

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