Wireless Headset 3.7v/400mah Battery Ahb110520cps For Bose 419811,qc35,quietcomfort 35 - Digital Batteries - AliExpress
Amazon.com: AOLIKES 750mAh Replacement Battery for Bose QC35 QC45 QuietComfort 35 II Wireless Headphones, Compatible with Sony WF-1000XM3 WF-SP900 Charging Case Battery : Health & Household
Amazon.com: Bose QuietComfort 35 II Noise Cancelling Bluetooth Headphones— Wireless, Over Ear Headphones with Built in Microphone and Alexa Voice Control, Silver : Electronics