Harbor Freight

[Swamprat]

I have a Harbor Freight 100w sys the controller can handle more,,, I got 3 more 100w panels.,. do I hook them up in S or P it can handle 500w

 

[Solarcabin Channel]

How many watts and amps does it say the controller can handle?

 

[Swamprat]

How many watts and amps does it say the controller can handle?

500w
it don't have amp

 

[Swamprat]

500w
it don't have amp

25v max

 

[Solarcabin Channel]

Looks like that has a 10 amp controller for 12 volt system.

6.8 amps on the panels.

Need more specs on the controller to give you an answer.

Max volts, amps and watts.