Hi,
I scored some Siemens panels, rated 53W. However beeing a noob in this, I get feared about the 600V open current voltage. I guess I should better not touch a contact when the panel is in the light. One can sure shorten the panels when installing I guess?
So my main concern is what type of solar regulator I need? Does it have to deal with the 600V? If so it would be useless as they are too expensive for a hack. Or is the OPEN CKT. 21.7V the value the regulator have to deal with?
O wait... MAX SYST. OPEN CKT. V. ... Does that mean several panels in serial should not exceed 600V in total?
Cheers,
Carsten