NiCD replacement Yaesu/Vertex FNBV57 battery provided by AtBatt.com is designed for use with the VX160, VX180, VX210, VX400 two-way models. The 2W-EXFNB57 is designed to replace OEM part numbers: FNBV57, FNB57. AtBatt.com two-way batteries are precision. . • Chemistry: NiCD • Rating: 7.2V 1100mAh Capacity