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Your video is tooooooo long man, cut it down into manageable and watchable chunks! (no more than 10 mins)... my attention span was begining to fade...
Not quite clear on your plans and layout for the battery room, although it looks like a BIG area just for batteries... How many batteries do you intend on having? I have 6 and the space i use it tiny (around 4 ft long by 2ft wide by 2 ft high (max)). I also use Sealed lead acid batteries (100ah), i use them every day and never go below 50% charge and they have lasted me 4 years so far.... My last batteries lasted 5 years...

(If you are planning to have a wind turbine ensure you DO NOT install it on the roof or attached to your house - Why=because the reverberation and noise will drive you nuts (ive done it)).

If you intend to have your batteries in your living space, ventilation may be a problem! The batteries will 'vent off' or 'gas-off' occasionaly.

Look forwards to seeing your progress.

I just posted some explantions of battery types, take a look