Amazon.com: Replacement Battery for Bose QC3 Part NO 40229, NTA2358 : Health & Household
Original For BOSE QC3 Charger Dr. Noise Cancelling Headphones Battery Charger Folding and Detachable Universal - AliExpress Cellphones & Telecommunications
Cameron Sino 200mah Battery 40229, Nta2358 For Bose 40228, 40229, Qc3 - Digital Batteries - AliExpress