18650 DIY Powerwall Built from used laptop batteries! 4480 cells with 40kWh of storage can power my home for days charged with 4500watts of Solar. This is no $300 DIY Tesla Powerwall
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I started this project Oct 17, 2015 here https://goo.gl/TnngjE The process of processing tens of thousands of cells is a slow one and could easily been done allot better or faster via other methods but this is the path I chose.That said I'm proud and stunned that this works as well as it does!