SBC200 Dual Cascading Docking Charger for SB900 EXCL PSUThe SBC200 two bay charger holds two SBC900 batteries, transmitters, or bodypacks. It may be used in any appropriate location with adequate space and ventilation. This compact and portable unit charges batteries while in transmitters or out. Up to 4 SBC200s can be chained together to run off one power supply. Product Features Does not include power supply Charge up to two SB900 batteries, body packs or transmitters LED icons for battery status Works