For JBL Xtreme 3 ND USB 2.0 Audio Jack Power Supply Board Connector Bluetooth Speaker Type-C USB Charge Port - AliExpress
JBL Xtreme 2 - black (Connect+, Powerbank, IPX7, 2 x 20W)
19V Adapter Power Supply Charger for JBL Xtreme 2 Extreme 2 JBL Boombox Speaker 603964633248 | eBay
19V AC DC Adapter Charger for JBL Xtreme Xtreme 2 Xtreme Portable Wireless Bluetooth Speaker (Black Blue Red) JBLXTREMEBLKUS/JBLXTREMEBLUUS/JBLXTREMEREDUS JBL Power Cord - Walmart.com