I can saw without any doubt that the battery life is significantly better on Beta 7. Previous betas were terrible.
AWS8 Cellular
Beta 5: 65%+ Usage - 50 Minute run (On Cellular with Music on AirPods Pro 2 (It died... before the run ended))
Beta 7: 34% usage - 90 Minute run/Workout (On Cellular with Music on AirPods Pro 2)
AWS8 Cellular
Beta 5: 65%+ Usage - 50 Minute run (On Cellular with Music on AirPods Pro 2 (It died... before the run ended))
Beta 7: 34% usage - 90 Minute run/Workout (On Cellular with Music on AirPods Pro 2)