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B and A. C looks like your charging with potential nipple power....

I have the Revolectrix PowerLab8 and they designed it with the option of being powered from a battery bank. It is admittedly more expensive than the IMax or similar chargers, but you can charge and discharge at over 1kW back into the battery bank to recover some of the energy. It also can...

Just food for thought. I am going to try and 3D print 4-packs that slide together (like Pauls and the ebay holders). I printed this image scaled 1:1 to do a rough space savings estimate. In the horizontal spacing, there would be no savings if I keep the 2mm spacing that the square holders...

That is true, especially if you intend to use a natural draft instead of a forced draft like your box. You can still leave the cells spaced similarly (if the cells are broken individually like NerdVilles') which would allow for air to mix through the cells in a zigzag fashion providing good...

Hey NERDVille! Given your large quantity of cells... Do you plan on using a square cell layout like Peeeete, or saving some space and going with a staggered (more compact) layout of cells?

If you can get a history from your power company that will help sizing your battery. Our power consumption also varies with the season, especially if you have central Air Conditioning. For the inverter sizing, you have to do two things. Find the biggest power draw in your house, and make sure...

OK. So for an example... using your 7 day average (147kW-hr / 7 days ) = 21 kW-hrs of solar produced per day (given it's November, this might be close to your annual average in California?) If we assume your 1700W load is an all day average, that means you burn (1700W x 24 hrs) = 40.8kW-hrs...

Your 18000Whr math is correct (it includes 6x the Ah rating) since you will be connecting those 6 packs together in parallel, your total pack will be 55.6V X 318Ah (53x6) = ~18000Whr That means, with a full battery pack and your prescribed load you can go 18000 Whr / 1700W = ~ 10.5 hrs Now...