FBA-25A: Battery Case for Yaesu & Vertex Standard radios. Holds 6 x AA alkaline cells. Provides instant operating power to the radio. Fits VX-110, VX-120, VX-127, VX-150, VX-160, VX-170, VX-177, VX-180, VX-210A, VX-400, VX-800, VXA-150, VXA-210, VXA-300, FT-60R, FT-250, FT-270, FT-277, FT-230, Aviator Pilot II, Aviator Pilot III, Aviator Pilot IV, Aviator Pilot V, Aviator Pilot Vi, etc. Replaces battery pack models such as FNB-V57, FNB-64, FNB-83, FNB-V94, etc.