New Battery For Bose Quietcomfort Qc35 & Qc35 Ii Accumulator 3.7v 600mah Li-polymer Replacement Battery 3-wire - 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 : Electronics
Amazon.com: Bose QuietComfort 35 II Wireless Bluetooth Headphones, Noise-Cancelling, with Alexa Voice Control - Black : Electronics