Microphone Shure SB903

Meet the SB903 – a reliable battery for broadcasts, performances, and conferences, providing stability and full control over energy consumption.

Shure SB903 – a rechargeable lithium-ion battery for SLX-D microphones, with up to 8 hours of continuous operation, battery status monitoring, and support for dedicated charging stations

The SB903 was designed especially for Shure's SLX-D systems, and it ensures stable work quality over time. The battery provides up to 8 hours of continuous use, with charge status and remaining usage time displayed directly on compatible transmitters and receivers. The SB903 has no memory effect, so it can be charged at any stage without harming its lifespan. It also allows tracking of charge cycles and battery health status, which streamlines maintenance and ensures optimal performance for years. Built from strong, durable polycarbonate, the battery is especially suited to professional use — from live shows, through conference events, to work environments where reliability is the name of the game. The battery is charged using dedicated stations (SBC10-903 or SBC203), with especially fast charging times that let you get back to work quickly.

• Up to 8 hours of continuous operation – extended use at events and conferences without interruption
• Real: time battery status monitoring – shows charge percentage and remaining usage time on the transmitter/receiver
• Charge cycle and battery health tracking – enables convenient, cost-effective maintenance
• Fast charging at dedicated stations – via the SBC10-903 or SBC203
• No memory effect – charge at any time without harming lifespan
• Strong polycarbonate construction – high durability for professional, intensive use
• Perfect compatibility – designed exclusively for the SLXD1 and SLXD2
• Operational savings – a reusable rechargeable battery that cuts disposable battery costs

• Charging voltage: 4.2V (±0.03V)
• Capacity: 1200mAh
• Nominal voltage: 3.6V
• Charging time: – SBC10-903: 50% within 3 hours, 100% within 5.5 hours – SBC203: 50% within 1.25 hours, 100% within 2.5 hours
• Case material: polycarbonate
• Dimensions: 14.5 × 32.5 × 55.5 mm
• Weight: 28 g
• Compatibility: SLXD1 and SLXD2 transmitters
• Additional features: remaining time display, charge cycle and battery health tracking
• Warranty: 2 years