Replacement Battery for JBL Charge 2, Charge 2+ Plus Version GSP1029102A | eBay
JBL Charge 2 Plus Battery Replacement - iFixit Repair Guide
Amazon.com: 6000mAh GSP1029102A Battery Replacement Compatible with JBL Charge 3 2016 Waterproof Bluetooth Speaker : Electronics
6000mAh MLP912995-2P Battery for JBL Charge 2+, Charge 2 Plus Bluetooth Speaker | eBay
Amazon.com: Pickle Power V1 Version Battery for JBL Charge 2 +,Charge 2 Plus 3.7V 6200mAh Replacement Bluetooth Speaker Battery GSP1029102R(Wire Place Red-White-Black) : Electronics