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JBL Battery 600 keeps the party going twice as long and also works as a power bank for charging your phone, tablet, or even laptop. Designed for the JBL PartyBox 520 and JBL Boombox 4, it offers quick swapping and official JBL reliability.
• compatible with JBL PartyBox 520 and Boombox 4
• charging case with USB-C port for devices
• swappable battery for quick, easy use
• official JBL quality and durability
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General Parameter
Double the playtime
With JBL Battery 600, the PartyBox 520 can keep playing for as long as you want — swapping the battery in the back takes only seconds.
Multi-device compatibility
In addition to the PartyBox 520, the battery also works with the portable JBL Boombox 4, replacing its built-in battery when needed.
Charging case as a power bank
The integrated USB-C port lets you charge your phone, tablet, or even laptop during the party (*cable not included).
Official JBL quality
Battery 600 is designed specifically for JBL speakers to ensure safe, reliable, and durable performance.
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