I have their Soundcore Space A40, and the battery life is legitimately amazing. The case lasts me a week of heavy usage, and the buds easily go 6-10 hours depending on how heavily I use the ANC. If the buds get low, tossing them into the case charges them back up most of the way in 15-20 minutes.
The ANC isn’t perfect, but it’s made my recent flights way more tolerable by cutting out most of the noise from the engines while still letting the voice of my seatmate through.