FNB-83x: 7.2 volt 2000mAh rechargeable long-life Ni-MH battery for Yaesu, Vertex, and Standard Horizon radios. Replaces FNB-83, FNB-V57, FNB-64, FNB-V94, etc. Fits radios such as FT-60R, FTA-230, FTA-310; VX-110, VX-120, VX-127, VX-130, VX-150, VX-160, VX-170, VX-177, VX-180, VX-210A, VX-250, VX-270, VX-277, VX-400, VX-410, VX-420, VX-800, VXA-150 Pro V, VXA-210, VXA-220 PRO VI, HX270s, HX370s, HX500s, HX600s etc.
Pricing is for 1 battery pack. Picture shows both sides of battery.
Re-charges with Wall Chargers (NC-72BA, PA-48B, NC-72B); DC vehicle chargers (E-DC-5BA, E-DC-5B, SDD-13); and desktop chargers (EMS-57-83). 

Compatible Radio models:
YAESU / Vertex Standard Portable Radios
VX-110, VX-120, VX-127, VX-150, VX-160, VX-170, VX-177, VX-180, VX-210, VX-210A, VX-400, VX-410, VX-414, VX-417, VX-420, VX-424, VX-427, VX-800, VX-800V, VX-800U, FT-60E, FT-60R, FT-250E, FT-250R, FT-270E, FT-270R, FT-277R

YAESU / Vertex Standard Aviation Radios
VXA-120 Pro II, VXA-150 Pro V, VXA-200 Aviator Pilot II, VXA-210 Aviator Pilot, VXA-210 Lite, VXA-220 Pro VI, VXA-300 Pilot III, VXA-300 Lite

STANDARD HORIZON Portable Radios
HX270S, HX370S, HX500S, HX600S