HQRP Battery for Motorola GP900 GP1200 GP2010 GP2013 HT1000 WPNN4013 HNN9028 Digital Portable Two-Way Radio + HQRP Coaster HQRP&reg; Replacement Rechargeable Battery plus HQRP&reg; Coaster; Battery Voltage: 7.5 Volt; Capacity: 1100 mAh; Ni-Cd; Ni-Cd Batteries Provide The Maximum Number Of Charge / Discharge Cycles And Are Best Suited For Temperature Extremes; 200 Days warranty!