HQRP 1700mAh Battery for Motorola NTN5521B, NTN5531A, NTN5531B, NTN5048, NTN5049 + HQRP Coaster HQRP&reg; Two-way Radio Ni-MH Battery Replacement plus HQRP&reg; Coaster; Capacity: 1700mAh High Capacity; Voltage: 10V; Chemistry: Ni-MH; Color: Black; 1 Year warranty!