Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 1050m Ah Replacement for Blackberry Original Battery C-S2 Compatible Cell Phone Models: Blackberry 8300/8310/8320/8520/8700/8700g/8700c & More Specification: Weight Approx:21.1g Size Approx:5.5 x 3.4 x 0.5