New Laptop Battery for Gateway Notebook M-6881 M-6862 M-7301u M7301u M6866 M7315u T6836  Fits SQU-715 W35044LB W35052LB W35044LB-SY SQU-720 W35052LB-SY W35044LB-SP AB170 [Li-ion 6-cell 4400mAh]