Motorola CP200D Batteries come in Lithium Ion, NiCd and NiMh chemistry with a variety of different Amperages. It is important for you to pick the battery that most fits your needs. Most people prefer the Lithium Ion CP200D Battery becuase of its light weight and ability to go on and off charge without risking memory effects that you would find in NiCd Batteries. All of our CP200D Batteries come with a full 1 year warranty against Manufacturors defect.