My panels are 17 years old and have lost about 20% of their output. Big whoop. Battery degradation is not part of this particular conversation (clearly you haven't done much research on this either)
My oldest panel was made in 1984 (no coincidences LOL) it is rated at 18v ocv and 3W. And I still get 3 watts out of it. Its roughly the dimensions of a sheet of copy paper.
My panels are 17 years old and have lost about 20% of their output. Big whoop. Battery degradation is not part of this particular conversation (clearly you haven't done much research on this either)
I've had 3 different solar setups, old panels are worthless.
My oldest panel was made in 1984 (no coincidences LOL) it is rated at 18v ocv and 3W. And I still get 3 watts out of it. Its roughly the dimensions of a sheet of copy paper.