Thank you for being a part of Samsung community. We apologize for the inconvenience you are facing battery issue in the device after the update. The relevant department will serve you better, if you can provide logs/video within 15 minutes of issue occurrence by registering this feedback via Samsung member application i.e. Samsung member BETA app> BETA feedback>Send feedback>Error report>Collect log files>attach.
Be sure to hit ♡ when you find an answer that works for you. For Further assistance, you can also connect us via Samsung Members web community by following mentioned url-https://community.samsungmembers.com/en_IN#/