Overview: Cell Type: Li-ion Voltage: 3.7 V Capacity: 650m Ah Replacement for SONY ERICSSON Original Battery BST-30 Compatible Cell Phone Models:SONY ERICSSON F500/J200/J210/K300/K500/K506/K508/K700C/T220/T230/T238/T290/Z208/Z500 & More Specification: Weight Approx:23g Size Approx:5.4 x 3.4 x 0.6