I am looking for a manufacturer of solar panels built into windows, suggest you look at a German firm "asola-power", but they are in development whereas I have heard that a japanese firm is selling them for sunroofs. Anyone encountered this?
fair winds, seanseamour
I couldn't find these panels - do you have a link?
By the way - when at my boat this weekend with Saildog we did some rather extensive looking at my system.
To refresh, I have a Kyocera 80w panel, 3 Optima blue tops with 210 total amp hours. I use a c-80 charge controller for that, and I am not plugged into shore power. My monitor is a Xantex XBM wired on a toggle so I can check house and starter banks.
On a bright day in March, 10% cloud, at noonish with the panel tilted 20 degrees out of plane I was getting 2 amps - the batteries were showing 12.9v and a 99.6% charge.
I re-angled the panel to closer to flat to the sun, and stangely enough dropped to 1.2 amps, 12.9v.
Two hours later - I was at 100%, reading 13.3v and 212ah of capicity, with .9ah coming from the panels. We assumed this meant I was topped off at 210 ah, the extra 2 showing was the capicity available from the panels.
I turned on my anchor light - ah in went from .9 to .2, then built back up over a few seconds to .9 - In short, absolutely dead spot on what should have happened (the light put a load on it, the controller read the load and allowed the panel to pick it up).
How's that for fun. I don't gete that every thing out there says 12.6v is the max. I've seen 13.9 on my monitor - with a load being drawn. I do know about overcharge and equalization - mine is disabled. I also know you can have a higher voltage showing - and it's a 'flash' voltage, not real, and it's supposed to drop as soon as you put a load on. My batteries stay over 13v for hours at a time.
and a big raspberrry to the solar stick thread - I've read every frigging post and most of the semi-demi-god Nigel Calder has written. Unless it's exactly the same as my question it's not, well, the same. Rasp'emberry, sloppy ones even.