please help improve this article by adding citations to reliable sources . unsourced material may be challenged and removed . july 2010 learn how and when to remove this template message ener1 inc. products lithium ion powered battery solutions number of employees 660 website ener1.com ener1 is a company developing energy storage technology building compact lithium ion powered battery solutions for the transportation utility grid and industrial electronics markets . headquartered in indianapolis indiana the company has manufacturing locations in the united states and korea . ener1 also develops commercial fuel cell products and nanotechnology based materials . ener1 filed for chapter 11 bankruptcy protection on january 26 2012 . 1 it completed restructuring of its debt and emerged from bankruptcy on march 30 2012 . 2 ener1 received a 118.5 million grant from the department of energy in 2010 via the american recovery and reinvestment act of 2009 . 3 the company traded on the over the counter market under the symbol hev . it was de listed from the nasdaq stock market on october 28 2011 prior to its january 2012 bankruptcy filing . references edit ener1 and barack obama if you own masterlock stock sell . redstate . 2011 11 09 . retrieved 2013 07 16 . enerdel delivers superior lithium ion solutions for its customers . ener1.com . retrieved 2013 07 16 . lucas fred . electric car firm that received biden visit and 118m in stimulus funds files for bankruptcy . cns news . retrieved 2013 07 16 . external links edit www.ener1.com ener1 inc. site retrieved from https en.wikipedia.org w index.php title ener1 & oldid 647131360 categories companies formerly listed on nasdaqhidden categories articles needing additional references from july 2010all articles needing additional referencespages using infobox company with unsupported parameters navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 14 february 2015 at 18 26 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view