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Old 04-07-2018, 11:19 AM   #1
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Panels/batteries

Any recommendations on brands for panels and batteries also charge controller inverter Iím new not looking for too much power maybe 300 watts just getting started trying not to break the bank
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Old 04-07-2018, 01:00 PM   #2
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There are two routes most folk take when selecting solar components.

Some will buy a "kit" with all of the correct components matched up and included in the kit. This is a more expensive option but is beneficial to those that are new to solar. Having a preconfigured system and tech support a phone call away does have value.

The alternative is to design the system yourself and shop the individual components. You can save $ this way but the learning side of it can be time consuming.

I recently installed a system in a buddies bus that he bought from Renogy. From what I have seen of their kits, I would not hesitate to buy from them.
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Old 04-17-2018, 11:16 AM   #3
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Originally Posted by PNW_Steve View Post
There are two routes most folk take when selecting solar components.

Some will buy a "kit" with all of the correct components matched up and included in the kit. This is a more expensive option but is beneficial to those that are new to solar. Having a preconfigured system and tech support a phone call away does have value.

The alternative is to design the system yourself and shop the individual components. You can save $ this way but the learning side of it can be time consuming.



I recently installed a system in a buddies bus that he bought from Renogy. From what I have seen of their kits, I would not hesitate to buy from them.

I was looking at a 200 watt kit from them which batteries did yíall use? Also is a pwm enough or do I need a mppt?.
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Old 04-17-2018, 01:29 PM   #4
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We installed a significantly larger system. It was over 1200 watts and we used 4 x L16 batteries.

Take a look at Renogy's sizing calculator: https://www.renogy.com/calculators/

That will help you size your components.

MPPT controllers are more efficient and more flexible. If you are on a really tight budget PWM may be your lowest cost option. If budget allows, I would strongly recommend MPPT.
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Old 04-17-2018, 02:57 PM   #5
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Well, I bought (10) hundred watt Grape Solar 12 volt panels from Home Depot for $89 each with free shipping, only because the price was right. But only then did I get serious about solar controllers. With an MPPT unit you can hook up the panels in series, much easier than wiring panels in parallel which you generally need to do with a PWM controller, and the MPPT controller can harvest more power from the panels for battery charging.

Then there is the battery bank. 12 volt, 24 volt, 48 volt? A higher voltage bank has a definite increase in system efficiency.

Go to the MorningStar string calculator: String Calculator ¬Ľ Morningstar Corporation , and play around with it. Select panels that fit your bus build, and see what works. A quality MPPT controller costs big money, so you want to buy as few of those as you have to. The cheap ones don't seem to last all that long.
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