![Amazon.com: Synergy Digital Wireless Headset Battery, Works with Plantronics C054 Wireless Headset, (Li-Pol, 3.7V, 140 mAh) Ultra Hi-Capacity, Compatible with Plantronics CS540 Battery : Electronics Amazon.com: Synergy Digital Wireless Headset Battery, Works with Plantronics C054 Wireless Headset, (Li-Pol, 3.7V, 140 mAh) Ultra Hi-Capacity, Compatible with Plantronics CS540 Battery : Electronics](https://m.media-amazon.com/images/I/51HlV9-HI5L.jpg)
Amazon.com: Synergy Digital Wireless Headset Battery, Works with Plantronics C054 Wireless Headset, (Li-Pol, 3.7V, 140 mAh) Ultra Hi-Capacity, Compatible with Plantronics CS540 Battery : Electronics
![Amazon.com: YUSTDA 9V AC/DC Adapter for Plantronics Savi CS540 CS510 CS520 CS530 C054 CO54 CS500XD C054-XD CS 540 CS 510 CS 520 CS 530 Wireless Headset System 9VDC Power Supply Cord Battery Amazon.com: YUSTDA 9V AC/DC Adapter for Plantronics Savi CS540 CS510 CS520 CS530 C054 CO54 CS500XD C054-XD CS 540 CS 510 CS 520 CS 530 Wireless Headset System 9VDC Power Supply Cord Battery](https://m.media-amazon.com/images/I/51jJ7Kvd5wL.jpg)
Amazon.com: YUSTDA 9V AC/DC Adapter for Plantronics Savi CS540 CS510 CS520 CS530 C054 CO54 CS500XD C054-XD CS 540 CS 510 CS 520 CS 530 Wireless Headset System 9VDC Power Supply Cord Battery
![Plantronics CS545-XD Wireless Headset (C054-XD, CO54-XD) with HL10 Lifter for Remote Answering Capability Plantronics CS545-XD Wireless Headset (C054-XD, CO54-XD) with HL10 Lifter for Remote Answering Capability](https://s.turbifycdn.com/aah/founderstelecom/plantronics-cs545-xd-wireless-headset-with-remote-answering-capability-unlimited-talk-time-74.gif)