The SBC100 USB Single Battery Charger can be powered from both A/C power sources and USB ports.
• Charges one Shure SB900 Lithium-Ion Rechargeable Battery
• Works with UR5, P9RA, P10R, QLX-D' Digital Wireless Systems and ULX-D Digital Wireless Systems
• Includes SBC100, power adapter, and user guide
Shure SBC100-US USB Single-Battery Charger for SB900 Lithium Ion Battery Reviews