Description:<br>  <br> It is the best choice for back-up power.<br> It is very suitable for your mobile phone， can solve the problem of mobile phone suddenly without electricity for you.<br>  <br> Type: Li-Ion<br> Output Voltage:3.7V<br> Capacity: 1850mAh<br> Compatible with: Sony Xperia S LT26i  Xperia U ST25i<br>  <br> Package Included:<br>  <br> 1 x 1850mAh Battery for Sony Xperia S LT26i  Xperia U ST25i