Even the best parties have to end sometime, but your JBL speaker can keep the vibe going twice as long with JBL Battery 600. When your rechargeable battery is running out of juice, it takes just seconds to pop a fresh battery into the slot on the back panel. Meanwhile, the battery can recharge in the charging case. You can also use the case as a powerbank to charge your tablet, laptop or smartphone* with the convenient USB-C port. Double the great times, and enjoy the peace of mind that comes with an official JBL Battery 600. It also can replace the rechargeable battery inside a JBL Boombox 4 portable speaker when it starts to degrade.(*charging cable not included)
A great host always has a spare battery
Keep the party going by having a spare JBL Battery 600 with charging case on hand. Just insert it into the battery slot in the back of your JBL PartyBox 520 when the first one loses its charge. It also can replace the rechargeable battery inside a JBL Boombox 4 portable speaker when it starts to degrade.
Powerbank
The JBL Battery 600 with charge case doubles as a powerbank to charge your tablet, laptop or smartphone* with the convenient USB-C port on the charging case. (*charging cable not included)
Guaranteed JBL Quality
Give yourself the peace of mind that comes from a trustworthy, reliable JBL Battery 600 that’s guaranteed to work with your speaker.
Compatible with JBL PartyBox 520 and Boombox 4
The JBL Battery 600 is only compatible with the JBL PartyBox 520 and Boombox 4. Other speakers in the JBL PartyBox and Portable series have different battery requirements.