Weiss More Power Battery for JBL Flip 4, JBL Flip 4 Special Edition Bluetooth Box, 3000 mAh, 3.7 V Lithium Polymer Replacement Battery for JBL Portable Speaker Compatible with GSP872693 01, Rechargeable
3200mah Gsp872693 01 Speaker Battery For Jbl Flip 4 + Install Tools - Digital Batteries - AliExpress