This is a generic, equivalent one, 100% compatible. This 11.4V 74Wh Replacement battery is designed to compatible with Dell Inspiron 15 5576 5577 7566 7567 7557 7559.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.4V
* Battery Capacity: 74Wh
* Chemistry: Li-Polymer
* Cell:3 Cells
* Color: black
* recharge cycles： 500
* Operation time: Around 2-3.5hours
* Certification: CE FCC RoHS
* 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:
357F9 0GFJ6 71JF4 071JF4 0357F9 (Not 42Wh WDX0R !)

Compatible with the following Dell laptop models:( Press " Ctrl+F " to Find your laptop model)
For Dell Inspiron 5576 / For Dell Inspiron 15 5576
For Dell Inspiron 5577 / For Dell Inspiron 15 5577
For Dell Inspiron 7566 / For Dell Inspiron 15 7566
For Dell Inspiron 7567 / For Dell Inspiron 15 7567
For Dell Inspiron 7557 / For Dell Inspiron 15 7557
For Dell Inspiron 7559 / For Dell Inspiron 15 7559

For Dell Inspiron 15 5000 Series (5576)
For Dell Inspiron 15 5000 Series (5577)
For Dell Inspiron 15 7000 Series (7566)
For Dell Inspiron 15 7000 Series (7567)
For Dell Inspiron 15 7000 Series (7559)
For Dell Inspiron 15 5576 5577 7566 7567 7557 7559

For Dell INS15PD-1548B INS15PD-1548R INS15PD-1748B INS15PD-1748R INS15PD-2548R INS15PD-2548B INS15PD-2748R INS15PD-3948B INS15PD-1848B INS15PD-3848B INS15PD-2748B

Package Included:
1 x 11.4V 74Wh Replacement Laptop Battery for Dell Inspiron 15 5576 5577 7566 7567 7557 7559