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How long does the battery actually last with noise cancellation and Immersive Audio enabled?

By ShopSavvy Team

Published: January 20th, 2026

1 min read

Last Updated: January 20th, 2026

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Looking at real battery life numbers, the Bose QuietComfort Ultra (2nd Gen) delivers impressive runtime that varies based on which features you're using.

The practical breakdown:

| Feature Mode | Expected Battery Life | |-------------|----------------------| | ANC + Immersive Audio | ~23 hours | | ANC only | ~30 hours | | Everything off | ~45 hours |

Independent testing from SoundGuys measured 27 hours and 12 minutes with ANC enabled—right in line with Bose's claims. That's a solid 6-hour improvement over the first-generation model.

Fast charging when you need it: A 15-minute quick charge provides approximately 2.5-3 hours of playback. Perfect for topping up before a flight.

Why Immersive Audio affects battery: The spatial audio feature requires extra processing power to create that surround-sound effect, which explains the 7-hour difference between modes. You can easily toggle it off in the Bose Music app when you want to maximize battery life.

For most users, the 30-hour ANC runtime means you can get through several days of commuting, work calls, and evening listening without needing to charge. That's genuinely excellent performance for wireless headphones at this price point.

Full charge time is approximately 3 hours via USB-C.

How we researched this

Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from thousands of retailers, and a look at hundreds of user reviews to give you a well-rounded picture.