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
GSP0931134 01 Battery Replacement for JBL Boombox Speaker 10000mAh
JBL BOOMBOX BATTERY REPLACEMENT
cellePhone Batterie Li-Ion compatible avec JBL Boombox 2 (remplacement pour SUN-INTE-213) - 13500mAh / 7,4V | cellePhone mobile generation