Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 930m Ah Replacement for SONY ERICSSON Original Battery BST-38 Compatible Cell Phone Models:SONY ERICSSON C510/C902/C905/ Jaiou F100/K770/K858/K850/R300i/R306c/S302c/S312/S500c/S500i/S550/T303c/T650i/T658/W580c/W580i/W760c/W902/W980/W995/Z770i & More Specification: Weight Approx:18g Size Approx:3.9 x 4.1 x 0.6