It shouldn't hurt anything to try it. Just do a backup in recovery first then flash. If you have any problems you can easily go back that way. Only way to know for sure if it'll help with battery life is to try it. There should be no ill effects with doing so. Worst case scenario would be a bootloop in which case you have your backup. Next worse case... It does nothing for you.
“Today while browsing XDA,I’m going tocheck to seeif my favorite ROM has been updated–but … more
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