... 50% smaller than that of a nickel-cadmium of mobile phone battery and 20 to 30% smaller than that of a nickel ... dedicated charger with a rated voltage of 4.2V per cell. Mobile Phone Battery Applications The rechargeable Li-ion of mobile ... Ericsson, Motorola, Dopod, OPPO, Sharp, Apple, Black Berry, Lenovo, HTC and so on.PICTURES:CERTIFICATIONS: For Nokia BLB-2 cell phone battery