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    Growatt SPF 5000ES, Phantom/Extra Load in AC Bypass Mode?

    I've been using my Growatt SPF 5000ES for a few months now off battery, and it's been working great. The AC in from the grid is connected, but I rarely need it. Due to cloudy weather, my battery did run out at 2AM last night (when all the loads were steady and consistent), and the inverter...
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    One EVE 280Ah cell tripping BMS high voltage at top end

    I have a self-built 280Ah 48v battery pack, that was working great. I initially did a top balance, parallel to 3.65v For a couple weeks now I've been having issues with one cell, #16 which happens to be my main positive for the entire battery. At the top end when the inverter is pushing the...
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    Safely using MCB (mini circuit breakers) for PV & Bi-Directional Battery Protection

    I am interested in safely using MCBs (mini circuit breaker) wherever possible in my solar setup; however after reading all the threads and web search matches I can find on the subject, I would like to clarify the following: Questions 1. Is there a way to test for polarized vs. non-polarized...
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    *SOLD* Complete 18.9kW System For Sale

    For sale is a new system, never hooked up. Most items such as charge controllers, batteries, battery rack etc. are still unopened in their original boxes.
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    *SOLD* Solar Racking For Sale

    New - Never Hooked Up My Dad had this racking system installed by SolarMounts last fall. He died of the virus shortly after, and was never able to finish the solar project. There are 42 ZnShine 450W bifacial panels installed, which are also for sale as well as some other items. Price $175 /...
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    How to wire 13 Sunpower 435W Panels?

    The way the pallet numbers worked out, I ended up with 13 Sunpower 435W panels, and I need to figure out how to wire this odd number of panels. Here are the panel specs. Model: SPR-E20-435-COM Nominal Power: 435 W Power Tolerance: +5/−3% Avg. Panel Efficiency: 20.3% Rated Voltage (Vmpp)...
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