(19)

(11)

EP 2 078 316 A2

(12)

(88) Date of publication A3: 30.10.2008 (43) Date of publication: 15.07.2009 Bulletin 2009/29 (21) Application number: 07844163.1 (22) Date of filing: 11.10.2007

(51) International Patent Classification (IPC):  H01M 2/20(2006.01) (86) International application number: PCT/US2007/081082 (87) International publication number: WO 2008/045996 (17.04.2008 Gazette 2008/16)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 12.10.2006 US 549006 12.10.2006 US 549013 (71) Applicant: XPower Solutions, LLC Kyle TX 78640 (US)	(72) Inventors: HURST, Aeron San Marcos, TX 78666 (US) COE, Carlos San Marcos, TX 78666 (US) HOOD, Mark New Braunfels, TX 78132 (US) (74) Representative: Sutto, Luca  Fish & Richardson P.C. Highlight Towers Mies-van-der Rohe-Straße 8 D-80807 München D-80807 München (DE)