... stability and safety Fit Machine Models: for Aspire 4315, 4520, 4520G, 4710, 4710G, 4720, 4720G, 4720Z, 4920, 4920G, Aspire 4310 Series ... .Y.P.E: fxkimolaptop battery for ACER Aspire 4315, 4520, 4520G, 4710, 4710G, 4720, 4720G, 4720Z, 4920, 4920G, Aspire 4310 Series ... 10.8V 5200mAh laptop battery for ACER Aspire 4315, 4520, 4520G, 4710, 4710G, 4720, 4720G, 4720Z, 4920, 4920G, Aspire 4310 Series ...