This is a generic, equivalent one, 100% compatible. This 3.7V 750mAh Replacement Li-ion battery is designed to compatible with Sony Ericsson Z310 Z310a Z310i.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 3.7V
* Battery Capacity: 750mAh
* Condition: new, 1 Year Warranty!
* Easy Installation
* Battery is tested accurately before shipping
* Compound Li-ion Chip, Safer and More Reliable

Compatible Part Numbers:
BST-36

Compatible Model:
SONY ERICSSON J300 J300a J300c J300i K310a K310c K310i K320 K320i K500 K510a K510c K510i T270 W200 W200a W200c W200i Z310 Z310a Z310i

Package Included:
1 x 3.7V 750mAh Replacement Cell Phone Battery for Sony Ericsson Z310 Z310a Z310i