Amazon.com: WRUMI 4000mAh Replacement Battery for JBL Flip 4, Flip 4 Special Edition, Flip4, GSP872693 01 3.7V : Electronics
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
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