Cameron Sino 2000mAh Battery AEC653055 2P for JBL Flip 2 (2013), Flip II (2013),please check the connector is 3 wires or 5 wires|Digital Batteries| - AliExpress
So, I have this old JBL Flip 2, it didn't turn on, that was an easy fix, however, it stopped producing audio, I hooked up the speakers directly to my headphone jack
2 in 1 Hard EVA Zipper Carry Storage Box Bag + Soft Silicone Case Cover for JBL Flip 5 Bluetooth Speaker for JBL Flip5 Column|Speaker Accessories| - AliExpress
JBL Portable Bluetooth Speaker, Flip - Walmart.com
JBL Flip 5 - Teardown - YouTube
Up To 36% Off on JBL Flip 2 Portable Wireless ... | Groupon Goods
Holiday Gift Giving: JBL Flip 2 Portable Speakers - Simply Sweet Home