B AT T E R Y
Hear the battery level
Each time you power on the speaker, you hear the battery level.
To hear the battery level while using your speaker, press and hold the
Power button
until you hear a voice prompt.
Note: To visually check the battery level, press and hold
battery indicator (see page 15).
Battery protection mode
The speaker enters battery protection mode to preserve battery power when the
speaker is unplugged and unused for:
• More than 24 days
• Three days with a remaining charge of less than 10 percent
To reactivate the system, connect it to AC (mains) power (see page 13).
When not in use, store the speaker in a cool place.
CAUTION: Do not store your speaker for extended periods when fully charged or when
the battery indicator
Replace the battery
Rechargeable batteries periodically need replacement. The lifetime of a battery
depends on usage and volume settings.
You may need to replace the battery if you must recharge the battery more often.
Note: The battery provided with your system is not user serviceable.
Contact Bose customer service for all battery related issues.
Visit: worldwide.Bose.com/Support/SLMii
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