For Vertex EVX531 EVX539 EVX534 Vertex Standard radios
7.4V 2300mAH
For Vertex VX228/VX231VX230 Standard
7.4V 1380mAH
For VERTEX STANDARD VX-820 VX-821 VX-824 VX-829
7.4V 1380mAh 11Wh
For VERTEX STANDARD EVX-Z61 Z62 Z69 C71 C79
7,4V 2300mAh 17,02Wh