I need help JBL Boombox 2 won't turn on. I have checked the battery if it's ok (it was and it's fully charged). And I have checked the charging cable which turns
cellePhone Battery Li-Ion for JBL Boombox 2 (replaced SUN-INTE-213) - 13500mAh / 7,4V | cellePhone mobile generation
PAB-GSP093113401-BP1 Battery suitable for JBL Boombox Portable Bluetooth Speaker
Amazon.com: Cameron Sino 10000mAh Replacement Battery for JBL Boombox : Electronics
Cameron Sino 10400mah/13500mah Speaker Battery For Jbl Boombox 2 - Digital Batteries - AliExpress