My iPhone 14 Pro Max is less than a year old and has gone through 216 recharge The figure that you get from the log file will be the maximum capacity of your battery as measured by the iPhone.
The iPhone 13 Pro has seen a slight battery capacity bump over the previous generation - precisely 10%. It's not quite the 18% increase that the Pro Max got, and with the vanilla 13 getting a 15%
The iPhone 13 Pro has a 6.06 inch (154 mm) (marketed as 6.1-inch (15 cm)) OLED display with a resolution of 2532 × 1170 pixels (2.9 megapixels) at 460 PPI, while the iPhone 13 Pro Max has a 6.68 inch (170 mm) (marketed as 6.7-inch (17 cm)) OLED display with a resolution of 2778 × 1284 pixels (3.5 megapixels) at 458 PPI.
2.5 hours longer battery life on iPhone 13 Pro Max than iPhone 12 Pro Max; But keep reading below for more detailed battery life specs. Looking more closely, iPhone 13 may offer even better
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