Shure SB900B Battery Li-ion Rechargeable for QLXD ULXD

The Shure SB900B is a rechargeable Li-ion battery that is compatible with Axient Digital (AD1, AD2 & AD3), ULX-D and QLX-D Wireless, and PSM 1000, PSM 900 and PSM 300 (P3RA) Personal Monitoring systems.