Description: USED for 6 x AA battery( Not included ) Applicable radios: BAOFENG UV-5R, UV-5RB, UV-5RE, UV-5RE+,TYT TH-F8 Cannot use on: UV5RA, UV5RA-PLUS, UV5RC, UV5RD Using Six (6) NiMh AA cells, this will provide 7.2V to the radio Note: all voltages quoted are for open circuit If you install 6 AA Alkaline or Zinc Carbon cells, it will provide 9V and the radio will not go into transmit If you must use Alkaline or Zinc Carbon cells, use five of them and a dummy AA, this will set the output voltage to 7.5V Specification: Material: Plastic Size: Approx.115x55x30mm/4.5x2.17x1.2inches Color: Black Package Includes: 1 Piece Battery Case for UV-5R