JBL Charge 2 review: A long-lasting Bluetooth speaker that can juice up your gadgets, too - CNET
Audio Jack Power Supply Board Connector | Connector Jbl Micro Usb Charge 3 - Charge3 - Aliexpress
Assy Input Board JBL Charge 2
Amazon.com: Pickle Power Battery for JBL Charge 2 +,Charge 2 Plus V1 Version 3.7V 6200mAh Replacement Bluetooth Speaker Battery GSP1029102R(Wire Place Red-White-Black) : Electronics