Original Replacement Battery For Bose Sounddock Soundock Soundlink Air 300769-001 300768-003 300770-001 Rechargeable 2200mah - Mobile Phone Batteries - AliExpress
Amazon.com: DGTECH 300769-003 Black Battery Replacement for Bose Sounddock Portable Digital Music System SoundLink Air 300769-001 300769-002 300769-004 300770-001 Series 4ICR19/66 (16.8V 32WH/2200MAH) : Electronics
Bose® Battery Pack for SoundDock® Portable (Black) at Crutchfield
Bose SoundDock System Rechargeable Lithium-Ion Battery 43516 B&H