Poly (Polycom) RealPresence Remote Control (300, 310, 500, 700, HDX) BW7535 Battery

Replacement Battery for Poly (Polycom) RealPresence Group Series 300, 310, 500, and 700 Remote Control 2201-52757-001. The 600 mAh capacity provides an 33% advantage over the OEM's 450 mAh capacity. Manufactured using performance-grade power cells that are proven to deliver maximum battery run time and total cycle life.Charges via USB.1.  Pull the battery out of the end of the remote control. 2.  Insert the USB plug into any USB 2.0 port, such as the one on your RealPresence system. 3.  While the battery is charging, the status LED is orange.  LED is green when fully charged. 4.  Remove from the port, and insert the charged battery into the remote control.  Note: Recharging the battery might take anywhere from 20 minutes to several hours.  The RealPresence Group 300, 310, 500 systems have two USB 2.0 ports on the back of the systems, while the 700 system has one USB 2.0 port on the front.