Having Problems With Your Voyager Legend Battery? Here's what you need to know. – Merrittcomm Blog | Wired & Wireless Headsets, Productivity, Efficiency
3.7V 100mAh Replacement Battery for Plantronics Voyager Legend Wireless Bluetooth Headset - Walmart.com
US Seller For Plantronics Voyager 5200 & Voyager Legend 120mAh Battery | eBay
Amazon.com: Plantronics - Voyager 5200 UC (Poly) - Bluetooth Single-Ear (Monaural) Headset - USB-A Compatible to connect to your PC and/or Mac - Works with Teams, Zoom & more - Noise Canceling : Electronics