Amazon.com: High Capacity Replacement Battery + Tool for JBL Flip 4 Speaker or Special Edition Model GSP872693 Li-Polymer 3.70V 3000mAh/11.10Wh Repair Power : Electronics
3000mAh Battery for JBL Flip 4 Special Edition; JBL Flip 4 Speaker GSP872693 01 | eBay
Battery for JBL Flip 4, Flip 4 Special Edition Replace JBL GSP872693 01 New | eBay