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Old 26-02-2018, 14:09   #1
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Good, high efficiency 100W rigid solar panels?

I see mostly large 200Wp+ panels in the solar shops, are there any good small panels that could be a better fit to a boat? Other than ebay I have difficulties finding ~100Wp panels.

A large 300Wp panel could be quite a challenge to install...

(I am in Europe if that matters)
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Old 26-02-2018, 14:14   #2
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Re: Good, high efficiency 100W rigid solar panels?

I have older 105W panels that I am removing soon, they work perfectly but I am going for more watts and don't have the real estate to double up (them plus the new panels).

I only say all that to plant the seed to look for good used panels. The downside is I don't know that mine are that much smaller than the new, higher watt panels.
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Old 26-02-2018, 14:26   #3
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Re: Good, high efficiency 100W rigid solar panels?

How about these: https://kerychip.com/product/solcell...ilver-110w12v/

Does anybody know of something similar available in the USA or Mexico?
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Old 26-02-2018, 14:32   #4
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Re: Good, high efficiency 100W rigid solar panels?

Smaller panels are better on a boat because of partial shade. All my panels are 50 watt, and they are special panels because they have two independent parallel circuits inside, and function as 25 watt panels side by side.
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Old 26-02-2018, 14:36   #5
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Re: Good, high efficiency 100W rigid solar panels?

Kyocera makes some nice high quality 140w panels. I have 4 of them and very pleased. I believe they are still distributed in Euro zone. They pulled out of the States when the new solar tariffs were announced.
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Old 26-02-2018, 14:36   #6
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Re: Good, high efficiency 100W rigid solar panels?

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Smaller panels are better on a boat because of partial shade. All my panels are 50 watt, and they are special panels because they have two independent parallel circuits inside, and function as 25 watt panels side by side.
100W was already along the "small" idea, but might look further Indeed, managing real estate is a pain, especially on a 32'er.
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Old 26-02-2018, 16:06   #7
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Re: Good, high efficiency 100W rigid solar panels?

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Originally Posted by Bleemus View Post
Kyocera makes some nice high quality 140w panels. I have 4 of them and very pleased. I believe they are still distributed in Euro zone. They pulled out of the States when the new solar tariffs were announced.
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Thanks I'll take a look!
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Old 27-02-2018, 12:47   #8
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Re: Good, high efficiency 100W rigid solar panels?

100W solar is getting hard to get.
The solar market is mostly driven by the home market.

Usually, large panel for installing on home roof is not an issue, while on boats, unless you have a cat, this can hard to install properly. Unless you add an ugly arch.
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Old 27-02-2018, 12:54   #9
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Re: Good, high efficiency 100W rigid solar panels?

Here're a few. I used two of the eclipse ones because they fit my bikini frame.
https://www.renogy.com/products/comp...alline-panels/
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Old 27-02-2018, 13:10   #10
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Re: Good, high efficiency 100W rigid solar panels?

Another vote for Renogy
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Old 27-02-2018, 13:13   #11
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Re: Good, high efficiency 100W rigid solar panels?

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Originally Posted by Emouchet View Post
100W solar is getting hard to get.
The solar market is mostly driven by the home market.

Usually, large panel for installing on home roof is not an issue, while on boats, unless you have a cat, this can hard to install properly. Unless you add an ugly arch.
I would cut one in half, but afraid that wouldn't help the efficiency much
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