Give Your S1 Pro+ a Recharge! This S1 battery pack installs easily into a dedicated compartment on your Bose S1 Pro+ portable PA system, providing you with high-density energy for full-output playback with zero compromises. Here at Sweetwater, we've found that the S1 battery pack installs permanently inside your S1 Pro+ for safe, easy charging.Bose S1 Pro+ Rechargeable Li-ion Battery Features: Provides high-density energy for full-output playback with zero compromises Installs permanently inside the S1 Pro+ for safe, easy charging.
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