Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 860m Ah Replacement for Nokia Original Battery BL-4 S Compatible Cell Phone Models: Nokia 1006/2680s/3600s/3602s/3710f/6202c/6208c/7020/7100s/7610c/7610s/X3-02 & more Specification: Weight Approx:17.4g Size Approx:4.9 x 3.7 x 0.4