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Old 10-01-2013, 05:10 AM   #15
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If the question you're asking is: Is there any problem with running multiple MPPT controllers in parallel, charging the same battery bank?

The answer is: No there is no problem. MPPT controllers are designed to work that way.
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Old 10-22-2014, 10:31 AM   #16
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Originally Posted by Kyhendrix View Post
Can someone help me with which panels are best for sail boat ? Where do you all mount them at or which is best location?
Thanks
cap'n B
Hello friend bit old thread but have you got the panels for your sail boat? Even I want to install them so can you help me out..
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Old 10-24-2014, 05:31 PM   #17
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Hello friend bit old thread but have you got the solar panel for your sail boat? Even I want to install them so can you help me out..
Still waiting for reply..
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Old 10-25-2014, 01:04 AM   #18
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Sounds like we need a new wiki page about power generation in general and solar panels in particular. I have created one here:

Power Generation - a Cruising Guide on the World Cruising and Sailing Wiki

I have 4 solar panels aboard my boat:
* 2 x flat 80W panels, "Lensun" brand, on top of the doghouse roof. I purchased these via eBay.
* 1 x monocrystalline panel, 75W Kyocera.
* 1 x polycrystalline panel, 200W Solraiser.

The panels generally give pretty good output. I'm impressed by the Lensun panels, I walk on these a lot because I need to get up on the doghouse roof to set and unset the main sail, and they still produce quite a lot of power. I'm less happy with the Solraiser panel, the peak output from it appears to be about 4A and it is a lower voltage panel (peak output at 12V compared to say 15V for some other panels) meaning that it's less easy to run its full output via an MPPT controller into a 12V system. 2 of these in series might have been a better option.
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Old 10-26-2014, 05:45 AM   #19
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I have 2 @ 80 watt Kyocera panels for last 8 years of cruising. No problems so far. I use separate 8 amp regulators on each panel. I switched all lighting to LED lights and man what a difference. The new tricolor pulls .14 amp. vs 2.4 amp on the old Aqua Signal masthead tricolor.
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