3.7V 80mAh Replacement Battery for Plantronics Voyager Legend Wireless Bluetooth Headset - Newegg.com
For Plantronics Voyager Legend Charging Case, Replacement Charger Case Dock for Plantronics Voyager 5200 5210 Legend Bluetooth Headset - Walmart.com
Having Problems With Your Voyager Legend Battery? Here's what you need to know. – Merrittcomm Blog | Wired & Wireless Headsets, Productivity, Efficiency
US Seller For Plantronics Voyager 5200 & Voyager Legend 135mAh Battery | eBay