Amazon.com: 320mAh Battery Replacement for Jabra Pro 9470, Pro 9465, Pro 9460, Pro 9450, Pro 9400 Wireless Headset and More, Battery Capacity Upgraded from 230mAh to 320mAh, Plug and Play : Electronics
Change it yourself Replacement Battery for Jabra BT2020 4010 Bluetooth Headset | eBay