diy solar

diy solar

Recent content by tnt4him

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    Recommend LiFep04 controller charger

    Same here, haven't wired it yet.
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    Recommend LiFep04 controller charger

    I ended up buying powmr 60amp 48 volt.
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    Recommend LiFep04 controller charger

    I'm putting together a 48 volt 200ah LiFepo4 battery for solar back up. Not connecting to the grid at this time. What is a good (fair priced) and appropriate battery controller charger?
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    How to tell the difference between Grade A and Grade B cells.

    Thank you so much for writing this! I am new to solar and stupidly bought several LiFepo4 batteries because i thought it was such a great deal. I bought from alibaba and found nothing negative with a quick search on the Chinese plant. I plan to do all the test you prescribed when they get...
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    How to build a 48 volt 200ah Lithiom Ion Phosphate battery

    I added one. But please explain your math.
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    48 volt safety

    Work with one hand. That way your heart wont' be in the center if you get shocked using two hands.
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    How to build a 48 volt 200ah Lithiom Ion Phosphate battery

    I have 15 lifepo4 3.2 200ah cells. I have some experience working with batteries in the military, mostly Nicholl cadmium. I want to build a 48 volt 200ah battery for the solar system back up. I'll need to find a battery box and the correct BMS. Any helpful tips much appreciated.
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    New and wanting to build a back up system that can expand to main source of power.

    A correction, we use about 5kw per day. The misinformation was from PGE phone conversation. I checked my account usage graph and at the most summer months with the AC blasting we hit 12kw. We are a family of 4 with somebody home all day mostly. Thanks for the info on names of inverters. I am...
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    New and wanting to build a back up system that can expand to main source of power.

    Thanks Michael for replying. I lot of good information that I can use. I agree now building my own panels is not cost effective. I found on craigslist locally some new commercial grade 385w bifacial panels for $65. I bought 3 to experiment with. They all have cracked glass but I found a product...
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    New and wanting to build a back up system that can expand to main source of power.

    I want to build a a back up system for power outages but then able to expand it later to be the main source of power. I can build my own panels but need to know what is the best efficient solar cells to buy and where? (monocrystalline N type?) I would like to build 2 to 4 425 watt solar panels...
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