A:AnswerIt's a 60 Hz screen. Brightness is easily good enough for outside use on a sunny day. I haven't measured, but I can tell you it's easily brighter than my Yoga 9i (400 nits) and a little brighter than my Legion 7 (500 nits).
A:AnswerThe battery life varies depending on what services, processes and applications are running in the background. With light to medium workload, its life is approximately 10 hours.