Why is a replaceable battery important for headphones?

A replaceable battery extends the headphones' lifespan since batteries degrade over time. Most models lack this feature, forcing users to purchase new devices after a few years.

How do I replace the battery in Sennheiser Momentum 5?

To replace the battery, remove the ear cushions, unscrew four screws, extract the old battery, and connect the new one. The process requires no special skills, but moisture exposure must be avoided.

What technologies do Sennheiser Momentum 5 support?

The headphones feature Dolby Atmos, AI-based adaptive noise cancellation, Bluetooth LE Audio, and Auracast. Future firmware updates are expected to expand functionality.

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Hardware

Sennheiser Momentum 5: Headphones with Replaceable Battery for Extended Lifespan

June 21, 2026

Photo: ZDNet

Quick answer

Sennheiser Momentum 5 is the first premium headphone model to feature a user-replaceable battery, addressing a critical gap in the market and promoting sustainability.

Sennheiser has launched its new flagship Momentum 5 headphones, which stand out from competitors with a unique feature: user-replaceable batteries. This is rare in the premium segment, as most manufacturers, including Bose and Sony, do not offer battery replacements, reducing device lifespans.

The 700 mAh battery is located in the left earcup and can be easily removed after detaching the ear cushions and unscrewing four screws. No adhesive or special tools are required—simply disconnect the connector and install a new power cell. However, the manufacturer warns that the headphones are not waterproof, so users must avoid liquid exposure during replacement.

This solution could redefine how users approach gadget upgrades. As sound quality and noise cancellation improvements hit technological limits, manufacturers are seeking new ways to attract consumers. Sennheiser offers a sustainable alternative by extending headphone lifespan through repairability, a critical feature for users who keep devices for over five years.

In addition to the replaceable battery, Momentum 5 supports Dolby Atmos, AI-driven adaptive noise cancellation, and modern Bluetooth standards, including LE Audio and Auracast. Future firmware updates are expected to enhance functionality. The company also follows a four-year product cycle, emphasizing device durability.

Common questions

Why is a replaceable battery important for headphones?: A replaceable battery extends the headphones' lifespan since batteries degrade over time. Most models lack this feature, forcing users to purchase new devices after a few years.
How do I replace the battery in Sennheiser Momentum 5?: To replace the battery, remove the ear cushions, unscrew four screws, extract the old battery, and connect the new one. The process requires no special skills, but moisture exposure must be avoided.
What technologies do Sennheiser Momentum 5 support?: The headphones feature Dolby Atmos, AI-based adaptive noise cancellation, Bluetooth LE Audio, and Auracast. Future firmware updates are expected to expand functionality.

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