RANCHO PALOS VERDES, Calif.--(BUSINESS WIRE)--Powerstorm ESS (OTC: PSTO) (“Powerstorm ESS” or “the Company”) (www.powerstormess.com) today announced that its Chairman & CEO, Mike Freni, will present at the Singular Research 10th Annual Best of the Uncovereds Conference on Thursday, September 17, 2015 at 8:30 am Pacific Time at the Luxe Sunset Bel Air Hotel, in Los Angeles, CA. About Powerstorm ESS: Powerstorm ESS is a developer of hybrid energy storage systems that provide reliable off-grid
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