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Forum: Electrical: Batteries, Generators & Solar

05-01-2017, 10:36

Replies: 11

12v or 24v

Views: 1,662

Posted By evm1024

Re: 12v or 24v

Yes, of course the complicating factors are that 12 v panels are not really 12 volts....

I came across this photo that shows a single panel and then 2 panels in series or parallel. Please ignore...

Forum: Electrical: Batteries, Generators & Solar

05-01-2017, 10:22

Replies: 11

12v or 24v

Views: 1,662

Posted By evm1024

Re: 12v or 24v

Nothing weird about it. The panel is composed of a number of cells that are arranged to give the speced voltage.

Remember that watts = voltage * current and that:

in series, voltage adds and...

Forum: Electrical: Batteries, Generators & Solar

05-01-2017, 10:15

Replies: 11

12v or 24v

Views: 1,662

Posted By evm1024

Re: 12v or 24v

100 watts at 12 volts is 8.33 amps

100 watts at 24 volts is 4.16 amps

qty 2 100 watt panels give 200 watts regardless of voltage.

2, 100 w 12 volt panels:

- in series gives 24 volts at...

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