Shure SB904 Lithium-Ion Battery, Up to 12 Hours Runtime

Keep wireless audio systems running through long sessions with the Shure SB904 lithium-ion rechargeable battery. Rated for up to 12 hours of runtime, it is built for professional environments where battery life directly affects confidence, scheduling, and audience experience. For AV teams, the value is simple: fewer interruptions, fewer mid-day swaps, and more predictable operation across meetings, lectures, worship services, and event production. A battery with this level of runtime helps reduce operational friction when microphones must stay active for extended programs. The SB904 is a practical choice for organizations that depend on wireless audio every day. It supports the kind of disciplined battery management that keeps systems ready without overcomplicating maintenance. When compared with lower-capacity alternatives, a longer-runtime battery can reduce the number of spare units needed in rotation and help simplify charging logistics. Choose the SB904 when uptime matters and you want a replacement battery that aligns with professional AV expectations rather than consumer-grade convenience. It is built for teams that measure value in reliability, not just purchase price.