Author Topic: Antique Solar Panel  (Read 927 times)

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adobejoe

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Antique Solar Panel
« on: June 06, 2017, 11:37:41 AM »
Recently acquired this. Measures 19 v, 0.8 amp in direct sun. About 15 watt. Has number "005788" in pencil on back. Anyone know vintage and make...Solarex...BP solar?

Harold in CR

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Re: Antique Solar Panel
« Reply #1 on: June 06, 2017, 12:14:23 PM »

 Possibly ARCO panel ? Solarex had the "flaky" looking silicone cells, at least the ones we used to sell in the 80's.

richhagen

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Re: Antique Solar Panel
« Reply #2 on: June 07, 2017, 12:53:02 AM »
That certainly has a look similar to old Arco panels.  I have some from the 80's, they are 33 cell panels with a staggered arrangement and stud terminals on the back.  The back plate on those is steel covered with white plastic. 
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adobejoe

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Re: Antique Solar Panel
« Reply #3 on: June 07, 2017, 07:56:53 AM »
Thanks. They have a yellow backing and there are the two studs. Pretty neat that it puts out after so long. I am guessing the mid '70's

richhagen

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Re: Antique Solar Panel
« Reply #4 on: June 08, 2017, 02:01:38 AM »
not sure, mine have an Arco sticker on the back, most still work, maybe not the same power output as new, but rather amazing that you can still get useful power after all of these years.  Rich
A Joule saved is a Joule made!

Mary B

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Re: Antique Solar Panel
« Reply #5 on: June 08, 2017, 04:20:41 PM »
I gave a 1970's Arco to a friend to float charge his ham station backup battery. It was still producing 85% of nameplate rating. It came from a stream water level monitor that had been upgraded and needed more power.

george65

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Re: Antique Solar Panel
« Reply #6 on: June 08, 2017, 09:11:32 PM »

New panels have 20 year gaurantees on average for output.
I wonder if the technology and quality of manufacturing will allow them to hold up to their output as well as the older panels seem to have?

OTOH, I wonder if it matters? In 20 years a panel may be producing 10-50X what they are now for a given size so no one will care about the old ones and they may be worth more in scrap value than as a working panel.

adobejoe

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Re: Antique Solar Panel
« Reply #7 on: June 12, 2017, 08:28:40 PM »
The issue I have with new panels is the alleged "warranty " behind them. I am a solar/wind dealer and installer. The companies that tout their products claim the 20-30 year power out put, and their history and longevity in the business. However, they invariably are out of business or chapter 11 more often then not in a short time frame. Yes, even the "publicly traded" companies. For my business, selling and the being the main point of contact with the end user, I will be the first phone call .... you get the picture. It is dissapointing the state of the industry. AdobeJoe....PS, don't ask me about the Wyoming state electrical inspection and small REA paranoid issue on safety and reliability, that really gets me going.