Miady Replacement Battery for JBL Flip 4 and JBL Flip 4 Special Edition, Fits JBL GSP872693 01, 3000mAh 11.1Wh : Electronics
Troubleshooting JBL Charge 2 Problems - HubPages
Battery for JBL Charge 3, Tectra 6200mAh High Capacity Battery + Tools for JBL Charge 3 2016 Portable Speaker, Fits for JBL GSP1029102A : Electronics
How To Fix JBL Charge 4 Won't Charge – The Droid Guy
Do JBL Charge 3 and Flip 4 have battery issues? I've read a lot of reviews saying it keeps disconnecting or stops charging after a few months or a year. - Quora