Bose SoundLink II Troubleshooting - iFixit
www.ifixit.com › Wiki › Bose_Soundlink_IIBose SoundLink II Power will not turn on when running on the battery The battery is connected, but the speak will not turn on Battery Protection Mode Active The SoundLink II Speaker goes into Protection Mode, if not used or charged in 2 weeks time. To remedy this, connect the speaker to an A/C outlet power source. Battery is damaged or not charged