Amazon.com: Replacement Battery for J B L Boombox 2 Speaker,fit Part no SUN-INTE-213,SUN-INTE-268,13500mAh/Li-ion : Electronics
Amazon.com: Cameron sino Replacement Battery for JBL Boombox, fits Part GSP0931134 01, 7.4V Li-Polymer 10000mAh / 74.00Wh : Electronics
Amazon.com: WRUMI Replacement Battery for JBL Boombox GSP0931134 01 Battery 7.4V (NOT for Boombox 2) : Electronics
26000mah Gsp0931134 01 Battery For Jbl Boombox Player Speaker Bluetooth Li Polymer Rechargeable Pack Replacement Batteries - Digital Batteries - AliExpress
GSP0931134 01 Battery for JBL Boombox Bluetooth Speaker 10000mAh Replacement | eBay
JBL Boombox 2 (Black) Waterproof portable Bluetooth® speaker at Crutchfield