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Old 06-03-2019, 04:27 PM   #1
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BSP solar panels, any good?

Decided on a BSP 75 watt panel for my 28 pocket trawler.
Never heard of BSP before, a quick Google search did not give any meaningful reviews or comments.
https://www.solar-electric.com/amere...SABEgJRpPD_BwE

Last time I installed solar panels was 17-18 years ago on my CSY sailboat using Siemens 75 watt rigid panels rated at 4.4 amps.
Now with better tech and materials this 75 watt panel is only rated at 3.57 amps
Pmax..? (Perhaps I am mixing apples and oranges?)
Also considering a Genasun 5A MPPT controller.
https://www.go2marine.com/product/39...SABEgIfUPD_BwE
Another new name or new brand. Back in the day I used a Blue Sky for MPPT but Outback was rated higher, the Blue Sky however worked great.

Is this combo (BSP 75/Genasun 5A) any good, or cheap Chinese products?

Additional info: House Bank is 2 golf cart batteries, Trojan 105, daily use while at anchor would be a small 1.7 cu fridge as well as fans, phone charging, 2-3 LED anchor lights and 3-4 courtesy cabin and cockpit lights.
Perhaps 30-40 amp hours per day, not sure, did not install a shunt and a battery monitor, trying to keep this tub simple, only using digital voltage gauges to estimate state of charge.
Any experience with the BSP panels...?
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Old 06-03-2019, 04:36 PM   #2
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I don't think that there is much difference among solar panels. Many are just labels put on by a reseller and are made by one of the major Chinese manufacturers

I don't know anything about Genasun. The specs look too low. It says 65 watts. Even though the input amps might be low due to the higher MP voltage of your panel, it is output amps that determine rated capacity.

Here is an MPPT controller made by a name supplier, Victron. $118 on Amazon.

https://www.amazon.com/Victron-Smart...s%2C738&sr=8-3

David
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Old 06-03-2019, 04:41 PM   #3
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Quote:
Originally Posted by djmarchand View Post
I don't think that there is much difference among solar panels. Many are just labels put on by a reseller and are made by one of the major Chinese manufacturers

I don't know anything about Genasun. The specs look too low. It says 65 watts. Even though the input amps might be low due to the higher MP voltage of your panel, it is output amps that determine rated capacity.

Here is an MPPT controller made by a name supplier, Victron. $118 on Amazon.

https://www.amazon.com/Victron-Smart...s%2C738&sr=8-3

David

Yup, much better, thx.
(I intend to do this instal only once, it better be good the first time: Today I was laying on my back dropping a ceiling above the quarter berth to find cable run for the panel, and a Navtex, kill 2 flies in one swath, too lazy to do it over again)
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