** Shares of Li-S Energy LIS.AX rise as much as 6.9% to
A$0.155, their highest since April 16
** Stock posts its biggest intraday percentage gain since
April 23
** Battery developer says its semi-solid-state lithium
sulfur (Li-S) battery cells have passed nail penetration safety
tests
** Adds test results exceed civilian and U.S. military
performance standards
** About 418,000 shares change hands, compared with the
30-day average volume of nearly 237,000
** Stock down 19.4% YTD, as of last close
(Reporting by Aaditya Govind Rao in Bengaluru)
((Aaditya.govindrao@thomsonreuters.com;))