Shure SBC203-US Dual Docking Station for SLXD Transmitters...

Step up to Shure rechargeable power management for your SLX-D Digital Wireless systems. The SBC203 Dual-Docking Charging Station charges SB903 Lithium-Ion batteries for up to 8 hours of use in SLX-D transmitters. Supports two transmitters, two batteries or one of each. 50% charge with 1 hour 15 minutes of charging; full charge at 2.5 hours. SBC10-903 Single Battery Charger also available separately.

Charges SB903 Lithium-Ion Batteries for up to 8 hours of use in SLX-D transmitters
In-transmitter docking and charging
Manage charging any pair of SLX-D handheld transmitters, SLX-D bodypack transmitters, or SB903 batteries
50% charge with 1 hour 15 minutes of charging
Full charge at 2.5 hours
External power supply
SBC10-903 Single Battery Charger also available separately