You noticed the battery capacity in your new s23 lineup is less than advertised right ? After some search i found this explanations from samsung web site .
Battery Capacity Galaxy S23
3,900mAh (typical)
Galaxy S23+
4,700mAh (typical)
Galaxy S23 Ultra
5,000mAh (typical)
*Typical value tested under third-party laboratory condition. Typical value is the estimated average value considering the deviation in battery capacity among the battery samples tested under IEC 61960 standard. Rated capacity is 3785mAh for Galaxy S23, 4565mAh for Galaxy S23+ and 4855mAh for Galaxy S23 Ultra. Actual battery life may vary depending on network environment, usage patterns and other factors.
