JBL Charge 2 (Purple) Portable Bluetooth® speaker and backup battery at Crutchfield
Amazon.com: Pickle Power V1 Version Battery Compatible with JBL Charge 2 +,Charge 2 Plus 3.7V 6200mAh Replacement Bluetooth Speaker Battery GSP1029102R(Wire Place Red-White-Black) : Electronics
JBL Charge 2 Teardown - iFixit Repair Guide
JBL Charge 2 Plus review | TechRadar
JBL CHARGE2-PLUS SN STARTING-FROM-GG VER.1.1 SM Service Manual download, schematics, eeprom, repair info for electronics experts
JBL Charge 2+ | Full-featured splashproof portable speaker with high-capacity battery to charge your devices