The Apple Watch Ultra 4 will feature improved battery life over the Ultra 3, according to Bloomberg's Mark Gurman.Apple has highlighted a battery boost with each new Ultra model. Last year, the Ultra 3 was rated for up to 42 hours of normal use, up from 36 hours on the Ultra 2.Related Roundup: Apple Watch Ultra 3Tags: Bloomberg, Mark GurmanBuyer's Guide: Apple Watch Ultra (Don't Buy)Related Forum: Apple WatchThis article, "Apple Watch Ultra 4 to Get Improved Battery Life" first appeared on MacRumors.comDiscuss this article in our forums