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
550mAh 2.04Wh Battery for Bose QuietComfort 35 & QC35 II Wireless Headphones | eBay