I have battery issues with my headset, my headset always dead while in meeting, i believe the battery has reached end of life. So i bought new one based hyperx recommended battery model 803450.

You can find them in the link below:

MYR 18.93 15％ Off | 3.7V 1500mAh Lithium Polymer LiPo Rechargeable Battery with JST 1.25mm 3Pin Plug Connector For MP3 DVD Camera GPS Laptop 803450
https://a.aliexpress.com/_mqkr5w0