Bose S1 Pro Battery Pack

A replacement lithium-ion battery for the Bose S1 Pro system, so you can run the speaker without mains power.

• Up to 11 hours of play; run time varies with volume, tone settings and material
• Full S1 Pro output available on battery
• Charges in about 2.5 hours on fast charge or 6 hours trickle when the S1 Pro is on AC
• Fits behind the S1 Pro battery cover, held by captive Phillips screws

Ideal for: S1 Pro owners replacing a worn battery or carrying a spare for gigs.