7.5V 1500mAh HYS Ni-MH Battery Replacement_NNTN4496 NNTN4496AR NNTN4851 NNTN4851 Battery With A Clip For CP040, GP3138, PR400, EP450 100% New. With a Belt Clip . 1500mAh Ni-MH Replacement Battery + Belt Clip For GP3138 Radios Compatible Battery Model:NNTN4496AR NNTN4851A Compatible Ham Hand Held Radio Models: GP3688, EP450, CP150, CP200, CP040, CP140, CP160, CP180, GP3188, PR400, XIR-P3688 etc.. Walkie Talkie FIRST USING BATTERY: BATTERY STATUS IS FULLY DISCHARGED AND THERE IS ONLY A LITTLE POWER IN THE BATTERY. Please recharger battery when you first using ,the charging time at least 6 hours, Otherwise it will affect the battery using time.