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Going to chronicle my battery build. Hopefully I get it right the first time so that when I duplicate it for more storage (more batteries are on the way), it will be easier. Didn't want to completely build my own box, so found a nice plastic storage locker that fits the bill quite nicely...

So, for the longest time, the Growatt SPF5000ES had a maximum input from the solar array of 18A, up to 450v OCV. Now all of the sudden in the latest v4.0 manual, it says 22A maximum input. Is this just for the newest models that are just now out, or are all models getting some sort of software...