This is a generic, equivalent one, 100% compatible. This 10.80V 5200mAh Replacement Laptop battery is designed to compatible with Apple MacBook Pro 15" Aluminum Unibody Series(2008 Version).

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 10.80V
* Battery Capacity: 5200mAh
* Chemistry: Li-Polymer
* Dimension: 249.20 x 78.00 x 11.00 mm
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
A1281, MB772, MB772*/A, MB772J/A, MB772LL/A

Compatible with the following Apple Laptop models:
For Apple MacBook Pro 15" Aluminum Unibody Series(2008 Version)

For Apple MacBook Pro 15" Series
MacBook Pro 15" A1286, MacBook Pro 15" A1286 (2008 Version),
MacBook Pro 15" MB470*/A, MacBook Pro 15" MB470CH/A,
MacBook Pro 15" MB470J/A, MacBook Pro 15" MB470LL/A,
MacBook Pro 15" MB470X/A, MacBook Pro 15" MB471*/A,
MacBook Pro 15" MB471CH/A, MacBook Pro 15" MB471J/A,
MacBook Pro 15" MB471LL/A, MacBook Pro 15" MB471X/A,
MacBook Pro 15" New Version

Package Included:
1 x 5200mAh Replacement Laptop Battery for Apple MacBook Pro 15" Aluminum Unibody Series(2008 Version)