High quality Replacement Battery Built in Li ion Battery 3000mAh Battery GSP872693 for JBL Flip 3, Flip 4 Special Edition|Mobile Phone Batteries| - AliExpress
GSP872693 P763098 03 3000mAh Battery For JBL Flip 3 Special Edition Batteries | eBay
Batmax High Capacity 3200mAh Battery + Tools for JBL Flip 3 JBLFLIP3GRAY Portable Bluetooth Speaker fits
JBL speaker battery compatible Flip 3 (3000mAh / 3.7V) BLUE JBL - SOSav English