This is similar to a system by Enercon using new batteries, one of the largest wind turbine builders. They have more details and pictures in their magazine &quot;windblat&quot; <a href="http:&#x2F;&#x2F;www.enercon.de&#x2F;fileadmin&#x2F;Redakteur&#x2F;Medien-Portal&#x2F;windblatt&#x2F;pdf&#x2F;en&#x2F;WB_032015_GB_150dpi.pdf" rel="nofollow">http:&#x2F;&#x2F;www.enercon.de&#x2F;fileadmin&#x2F;Redakteur&#x2F;Medien-Portal&#x2F;wind...</a><p>Which is an interesting read for those following electricity production technology.