To purchase replacement batteries, contact your local authorised Bose dealer. Be sure to dispose of the old battery properly. To remove and attach a new battery, follow these steps:
Insert the battery into the multi-pin connector
Push in the slotted knob and turn it clockwise until the slot is vertical. This locks the battery in place
Connect the power supply and charge the battery
WARNING: Replace the system battery with a genuine battery from Bose® or an authorised Bose® dealer. Bose® cannot guarantee the safety and compatibility, or assure the operability of batteries from other manufacturers for use in operating your Bose® system.