Shure SBC203 is a dual-docking recharging station

Features:

Compatible with all Shure SLX-D Series wireless transmitters as well as the SB903 rechargeable battery
Charges 2 batteries from 0 to 50% capacity within 1 hour and 15 minutes (providing 4 hours of runtime), or to 100% capacity within 2 hours and 30 minutes (providing a full 8 hours of runtime)
Automatic RF/Audio mute of docked transmitters
Secure and tidy installation: Optionally surface-mountable, while the included link plate also allows multiple SBC203 units to be connected together
Sleek design with heavy-duty ABS construction
Powered via included power supply and/or USB-C cable

Specifications:

DC Input Voltage 5 DC, 3 A Max
Charge Current 625 or 250 mA
Charge Time 50%: 1 Hour, 15 Minutes
100%: 2 Hours, 30 Minutes
Charging Temperature Range 21 to 113°F / 0 to 45°C
Housing ABS
Power Supply Input Voltage Range: 100 to 240 VAC
Operating Frequency: 50 to 60 Hz
Maximum Input Power: 0.6 A at 100 VAC (Full Load)
Output Voltage: 4.75 to 5.25 VDC
Maximum Output Power: 3.0 A at 5 V
Charging Temperature Range: 32 to 140° F / 0 to 60°C

Shure SBC203-US (Shure SBC203)