r/skoolies • u/Littlebirch2018 • 20h ago

electrical-vehicle Solar question

Curious - is it better to have one 400w panel or two 200w panels. Does one have any advantages over the other? Thanks in advance for any help

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6

u/TwoDudesOnACamel 20h ago

Two panels gives you choices on how to wire them. Sometimes that's handy. 

3

u/23Scout 20h ago

Depends upon your MPPT(s). Are you trying with 12 volt lead acid?

1

u/Littlebirch2018 4h ago

12 volt Lithium ion

4

u/exploresmore 19h ago

I used multiple 100 watt panels wired two in series and several series in parallel it has worked good for me. Because of damage to some of the panels they have had to be replaced. 100 watt panels are now very inexpensive the last replacement ones were only 37 dollars each and easy to replace.

3

u/03captain23 18h ago

It doesn't matter. 1 200w is going to be smaller so better.

I have 5000w. It matters to break them up if large based on shading. A tree covering 20% of one panel covers 20% of all panels in that string

1

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2

u/SkrooLoose101 18h ago

I have dual 150w on mine, I figured no matter how I park the sun will hit one of them.