** Li-S Energy LIS.AX jumps as much as 11.4% to A$0.195, highest since November 19, 2024; set for fifth straight session of gains
** Stock marks biggest intra-day pct gain since July 11
** Lithium-sulphur battery developer signs collaboration agreement with defence firm Praetorian Aeronautics
** Under deal, co's batteries will power Praetorian's autonomous unmanned aerial systems to advance Australia's sovereign defence capabilities
** About 1.7 mln shares traded, 6.6x the 30-day average
** YTD, LIS gains 40.7%
(Reporting by Ananya Verma in Bengaluru)
((ananya.verma@thomsonreuters.com;))