New 4800mAh 3.6V Battery For JBL Flip 5 Portable Wireless Speakers
Amazon.com: LAQUEENA GSP872634F 5200mAh Battery Compatible with JBL Flip 5 Waterproof Bluetooth Speaker with Tools Battery Part NO ID1060-B 1INR19/66-2 3.7V : Electronics
Source BATMAX 3.7V 5600mAh Battery 1INR19/66-2ID1060-B for JBL Flip 5, Flip5 Special Edition For JBL speaker replacement battery on m.alibaba.com
5000mAh New original Battery For JBL Flip 5 Bluetooth Speaker SUN-INTE-152 | eBay