How Many mAh Are in AirPods 5? Apple Publishes Hours, Not Milliamp-Hours

Apple states that AirPods 5 run up to 4 hours with Active Noise Cancellation on, or up to 5 hours on the model with the Wireless Charging Case, and up to 20 or 22 hours total with the case topping them up. It has never published a milliamp-hour figure for either battery, in the earbuds or in either case. AirPods 5 rates its earbud battery in hours...