Dual-docking Shure battery charger works with SB900A, UR5, P3RA, P9RA, P10R, QLX-D, ULX-D and Axient Digital Wireless System Transmitters. The SBC200-US includes a PS60US power supply. Up to three additional SBC200 battery chargers can be daisy-chained to the SBC200-US. SB900A Batteries and Wireless Transmitters not included.