The Shure SB900B is a lithium-ion rechargeable battery that with Axient Digital (AD1, AD2 & AD3), ULX-D and QLX-D Wireless, and PSM 1000, PSM 900 and PSM 300 (P3RA) Personal Monitoring systems. For use with the SBC800 charger and products that specify its use.The SB900B replaces the SB900A.
PLEASE NOTE: Since this product is a Lithium Ion Battery and due to FAA regulation, this item is restricted to ground transportation in the lower 48 contiguous states and cannot ship to Alaska, Hawaii or Puerto Rico.