** Shares of battery maker Li-S Energy LIS.AX rise 50.5% to A$0.140, their highest level since March 25
** Stock on track for best day since October 28 if gains hold
** Co signs agreement to supply battery cells to an unnamed defence technology firm, which the latter will test for functionality and safety in defence applications
** Co did not reveal any financial details of the deal
** About 3.6 million shares change hands, 11.6x the 30-day average of 305,657; busiest session since November 11
** Stock up 3.7% YTD, including moves in the current session
(Reporting by Jasmeen Ara Shaikh in Bengaluru)
((JasmeenAraIslam.Shaikh@thomsonreuters.com;))