Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 860m Ah Replacement for Nokia Original Battery BL-4CTCompatible Cell Phone Models: Nokia 2720f/3720/5310XM/6600f/6700s/6702s/7205/7210c/7210s/7230/7212c/7310c/X3/X3-01 & More Specification: Weight Approx:16.3g Size Approx:5.4 x 3.4 x 0.4