Generic 4 Pack 7.5V 2100mAh Ni-MH High Capacity MOTOROLA Interphone Walkie Talkie Replacement battery for HT6000, JT1000, MT2000, MTS2000, MTX8000, MTX9000, MTX-LS, MTZ2000, PTX1200 Motorola NTN7143/A/B/C/R NTN7144/A/B/CR WPNN4013 GP900 GP1200 GP2010 GP2013 HT1000