Even the best parties have to end sometime, but your JBL PartyBox speaker can keep the vibe going twice as long with JBL Battery 200. 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 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 200. (*charging cable not included)