The Shure SB903 is a high-performance rechargeable battery designed specifically for Shure wireless handheld microphones, including SLXD transmitters. Engineered to deliver long-lasting, reliable power, the SB903 ensures consistent performance during live events, recording sessions, or extended rehearsals. Its compact and lightweight form factor makes it easy to transport and ideal for on-the-go use.
Built for musicians, presenters, and audio professionals, the SB903 minimizes downtime and power concerns, letting you focus on your performance. With advanced lithium-ion technology, it supports fast charging, accurate battery status monitoring, and extended life cycles—all essential for demanding wireless microphone applications.
Whether you're on stage, in the studio, or at a conference, the Shure SB903 rechargeable battery is the dependable solution for keeping your wireless system powered and performing flawlessly.
SB903 Li-Ion Specs
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Charge Voltage
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4.2 V (±0.03 V)
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Charge Current
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SBC10-903: 220 mA - SBC203: 625 mA (normal)
250 mA (reduced)
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Nominal Voltage
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3.6 V
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Nominal Capacity
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1200 mAh
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Housing
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Molded Polycarbonate
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Charging Temperature Range
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SBC10-903:
50 °F to 113 °F (10 °C to 45 °C)
SBC203:
50 °F to 113 °F (10 °C to 45 °C), normal
32 °F to 50 °F (0 °C to 10 °C), reduced
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Dimensions
(H × W × L)
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0.57 × 1.28 × 2.19 in
(14.5 × 32.5 × 55.5 mm)
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Weight
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Weight
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