S2/S3 - User guide - Battery levels and management

S2/S3 has one built-in battery inside the speaker.

Charging and play times

The speaker can be used for approximately 6.5 hours on one charge.

The battery takes approximately 2.5 hours to fully charge. S2/S3 does not support quick charge.

Charging methods

S2/S3 can only be charged with a Type-C USB-cable. We recommend using the Sudio cable included in the package, however, other third-party Type-C USB-cables may be compatible too.

Battery level indicators (no cable inserted)

  • White: 10-100% battery remaining
  • Red: 0-10% battery remaining

Battery level indicators (with cable inserted and charging)

  • No light: 100% battery charged
  • Red (fixed): 0-99% battery charged
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