JBL Battery 400 for PartyBox Stage 320 and Xtreme 4 - Black

Extend the party and keep the beat alive with the JBL Battery 400—designed for maximum portability and minimal interruption. With quick-swap functionality and up to 18 hours of playtime per charge, your PartyBox Stage 320 or Xtreme 4 never has to stop the music. Double your party power to 36 hours with a spare battery and monitor performance with the JBL PartyBox app.

Product Highlights

• Up to 18 hours of playtime per battery
• Swap batteries in seconds to extend your event
• Power up to 36 hours of continuous playback with a spare
• 10-minute fast charge gives 2 more hours of playtime
• Check battery status via the JBL PartyBox app