This article gives an idea of how much a Tesla PowerWall will cost. This StorEn company has only a few employees. They are crowdfunding and have not yet sold a flow battery. They’re supposedly in the business of making vanadium redox flow batteries. https://cleantechnica.com/2020/10/05/tesla-megapack-powerpack-powerwall-battery-storage-prices/ https://www.startengine.com https://www.storen.com Update Feb 23 – TSLA was down to $632
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