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    Renogy Dual Input DC - DC Battery Charger w/MPPT service battery light flashing

    Was this resolved? Renogy are pants! I too have a slow flashing red light. Various threads on this issue but none with any suggestions....
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    Renogy DC DC Charger w/ MPPT

    Got it, finally, thanks very much. Since posting I have read a great deal on this forum and watched video tutorials. I feel slightly embarrassed now that I asked. I appreciate that you Hrtkd and Rickst29 shown patience. Many thanks again!
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    Renogy DC DC Charger w/ MPPT

    Forgive me.... This is the reference. Attached is one of NV200 option/proposal. The main wire used here ie 32mm2. Close to our 2awg. My understanding is that I need to use 4/0 which was determined with my first question. If it's okay to use 2awg "32mm2" more like 33...mm2 in Germany for a...
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    Renogy DC DC Charger w/ MPPT

    Thanks Rickst29! Again I appreciate your response. Hopefully this is my last question on this matter. I noticed that a member is using 35mm wire as they are in Germany to a proposed inverter mock up. I noticed on an online calculator that number (35mm) is comparable to 2awg. This was used in a...
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    Renogy DC DC Charger w/ MPPT

    I wish I had read this yesterday. What a fantastic build! If I'm not mistaken, the largest wire in your system is 35mm? Which is equivalent to 1awg... I noticed that NV200 also has same/similar gauge wire in some of his schematics. I was all set to use a 1/0 until yesterday. A member advised 4/0...
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    Renogy DC DC Charger w/ MPPT

    Thanks Rickst29! I appreciate the detailed response.
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    Renogy DC DC Charger w/ MPPT

    Could a member possibly advise on the photo attached. I am presently following Will's thread and hoping for some clarification. I have a 2 x 200w panels with 50a DC-DC charger. A Giandel 2200w 12v inverter. Two 100ah lithium batteries.My run from the battery to inverter is 20 inches. Is 1/0...
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    Installing an Inverter-Circuit Breaker Size an Location?

    Thanks for your response! The inverter is 2200w. Have have indeed grounded to the chassis. The batteries are lithium. I noticed there is a entire thread dedicated to Will's review of the 400 watt DC to DC charger. I'm new to the forum and am just finding my feet. I appreciate your advice.
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    Installing an Inverter-Circuit Breaker Size an Location?

    I dont mean to hi-Jack this thread but have noticed many threads on this very topic regarding the 400 watt post by will. I, like the OP have a very similar set up. I have a Renogy dc to dc 50. 400 watts of solar. And two 100 ah batteries. Could a member possibly advise on the following... Can I...
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