Overview: Cell Type: Li-ion Voltage: 3.6 V Capacity: 1500m Ah Replacement for Sony Ericsson Original Battery BST-41 Compatible Cell Phone Models: Sony Ericsson A8i/M1i/X1/X2/X2i/X10/X10i/ Xperia Play Z1i & More Specification: Weight Approx:25.6g Size Approx:6.4 x 4.3 x 0.4