Keep the party going by having a replacement JBL Battery 600 Duo battery with charging case at your fingertips. Simply insert it into the battery slot of your JBL PartyBox 720 when the first one loses its charge.
The JBL 600 Duo battery with charging case doubles as an external battery to charge your tablet, laptop or smartphone* with the convenient USB-C port on the charging case. (*Charging cable not included)
The JBL 600 Duo battery is compatible with the JBL PartyBox 720. Other speakers in the JBL PartyBox series have different battery requirements.
Even the best parties have to end sometimes, but your JBL speaker can keep the mood with JBL Battery 600 Duo. When your rechargeable batteries run out of juice, it only takes a few seconds to insert a new battery into the back panel slot. At the same time, the batteries can be recharged in the charging case. You can also use the case as a power bank to charge your tablet, laptop or smartphone* with the convenient USB-C port. Double the good times and enjoy the peace of mind that comes with an official JBL 600 Duo battery.

