Shure SB900A
Lithium-Ion Rechargeable Battery for P3RA, P9RA, PSM1000, UR5, QLX-D, and ULX-D Transmitters, 10 hours


The Shure SB900A is lithium-ion rechargeable battery that works with Shure's PSM®300 (P3RA only), PSM®900 (P9RA only), PSM®1000, UR5 Portable Diversity Receiver, QLX-D® Digital Wireless Systems, and ULX-D® Digital Wireless Systems.

Shure SB900A Specifications:

  • Dimensions (HxLxD): 1.25" x 1.98" x 0.67" (31.8 x 50.4 x 17.5 mm)
  • Charge Temperature: 0ºC to 45ºC (recommended)
  • Constant Charge Voltage: 4.2V
  • Constant Charge Current: 750 mAh
  • Nominal Voltage: 3.7V
  • Weight: 1.4 oz (39.7 g)
  • Housing: Lexan
  • Rated Capacity: 1450 mAh

Please Note: The SB900A replaces the SB900.

Consumer Alert
Please be aware that certain systems or transmitters operating in the 617-652MHz or 663-698MHz frequency ranges are no longer in compliance with recent regulations set forth by the Federal Communications Commission (FCC). Contact our Sales Pros at 800-356-5844 for help choosing a compliant wireless system that fits your needs and to learn about available trade-in rebates. Details on current wireless regulations are available at

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