Product Name :Battery Model:BP-5M Suited Model:NOKIA Nominal Capacity : 650MAH Nominal Voltage: 3.70 V Charge Voltage limit:4.20V Product Trait: A, Produced using high energy lithium ion chip B, Protected by double protection circuit fender C, Taintless lithium battery, without harmful metallics such as cadmium, lead and Hg. D, Long cycle life, lithium ion exceeds 500 times of charge and discharge period under the normal condition