The JBL Boombox 1 charger comes with that speaker, and that adapter is what we describe here. Furthermore, this power supply fully recharges the speaker’s built in power bank in roughly six and a half (6.5) hours. Then, the speaker plays for up to twenty-four hours at average volume levels before needing another recharge. Firstly, … Continue reading JBL Boombox 1 Charger Details