Yaesu FNB-102Li Hi Capacity Battery for VX-8R, VX-8DR, FT1DR, VX-8GR Transceivers YAESU 7.4V 1800mAh Lithium-ion Battery -up to 8.5 hours of operation on 144 MHz, 9 hours on 50 MHz, and 8 hours on 440 MHz. Comes with belt clip & screws. (VX-8R Series)