That's an expensive battery :). They exist. Cost of solar + battery is still less than diesel.https://twitter.com/thakrekuldeep/status/633326066447159296 …
Replying to @nikesharora
@nikesharora interested in talking about air energy storage? We have a compelling path to extremely low cost. Just certified our air tanks
10:29 AM - 17 Aug 2015
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