** Shares of Li-S Energy rise as much as 75% to A$0.210, hitting their biggest intraday pct gain ever
** Battery developer says its has achieved 10 ampere-hour semi-solid-state lithium sulfur battery with energy density of 498 watt-hours per kg vs 400 watt-hours per kg in the last phase
** Says it is targeting drones, defence & electric aviation markets for its cells
** Stock hits its highest level since mid-December 2023
** Over 3.4 mln shares change hands, 17.7x the 30-day avg and highest since late-June 2023
(Reporting by Kumar Tanishk in Bengaluru)
((Tanishk.Kumar@thomsonreuters.com;))