These are the specs (
https://m.media-amazon.com/images/I/C1+gtN6MOES.pdf) of the panels you have linked to (
https://www.amazon.com/Renogy-Monocrystalline-Solar-Compact-Design/dp/B07JXYTFF7)
So these numbers are part of what will be on the sticker on the back of the panel
"Electrical Data
Maximum Power at STC*: 100 W
Optimum Operating Voltage (Vmp): 17.9 V
Optimum Operating Current (Imp): 5.72 A
Open Circuit Voltage (Voc): 21.6 V
Short Circuit Voltage (Isc): 6.24 A
Maximum System Voltage: Cell Efficiency 21.0%
Maximum Series Fuse Rating: 15 A"
If you put all six panels in parallel, then your controller maximums are like:
- needs to be able to deal with 21.6V
- needs to be able to do about 6 x 6.24A = 37.44A
(a very theoretical max of 21.6V x 37.44A = 809W)
the practical max numbers are however more likely to be:
17.9V x (6 x 5.72A) = 17.9V x 34.32A = 615W
These are the limits, but your are not likely to see quite those numbers in the practical world.
If you connect two panels in series (repeated three times), the your max ratings look like this:
- max voltage : 2 x 21.6V = 43.2V
- max amps: 3 x 6.24A = 18,72A
