** Maker of battery energy storage systems NeoVolta NEOV.O shares down 15.5% post-market to $2.18 as it seeks equity raise

** Poway, California-based NEOV commences offering of stock and pre-funded warrants without disclosing deal size

** Intends to use net offering proceeds to fund joint venture obligations, for working capital and for general corporate purposes, per the prospectus

** Co has ~42.7 mln shares outstanding for roughly $110 mln market cap

** Lake Street Capital Markets sole bookrunner for offering

** NEOV shares ended down 6.5% at $2.58 on Weds, down 15% YTD