Mackie GB-100 GB-100 - Rechargeable Battery for ShowBox and Thump GO Powered Loudspeaker

The Mackie GB-100 Spare Battery provides up to 12 hours of power for the Thump Go or Showbox portable loudspeakers.

• It serves as a direct replacement or backup for the original battery and offers rugged, long-lasting performance. 
• The battery charges directly in the loudspeaker or via a power supply.