A:AnswerHi John,
Thanks for your question. The system will turn off after 30 minutes of inactivity (no audio or button presses) and It is not possible to deactivate the auto-off feature. We will certainly pass along your feedback. Thank you.
A:AnswerI don't think you can buy the battery. They, (Bose,) will do out of warranty that includes the battery replacement for a flat $75 and you pay shipping 1 way, domestic in the US.
A:AnswerI think it is just spoilt. I would take it back to BestBuy for a full refund or store credit if I were you. Mine was spoilt in the way that the playback started playing by itself if I leave the power on! Hence, quality isn't really too great.