Detail 01
Up to 12 hours on a single charge
The stated maximum runtime is 12 hours between charges.

Independent shopping perspective
Shure’s SB904 is a rechargeable lithium-ion battery specified for up to 12 hours of runtime from a single charge. For a wireless setup that uses this battery, it provides a clearly stated rechargeable power option and a runtime figure to plan around between charges.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The stated maximum runtime is 12 hours between charges.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Shure specifies up to 12 hours of runtime on a single charge.