Laptop Replacement Battery for select Sony Laptop / Notebook / Compatible with Sony VGP-BPS21, S115FG, Y11M1E, Y11S1E, CW2MFX/PU, VGN-AW, BZ31VT, BZ31XT, BZAAFS, BZAAHS, BZAANS, BZAAPS, CS50B CS51B, CS52JB, CS60B, CS61B, CS62JB, CS71B, CS72JB, CS90HS, CS90NS, CS90S, CS91HS, CS91NS, CS91S, CS92DS, CS92JS, CS92XS, FW30B, FW50B, FW51B, FW51MF, FW51ZF, FW52JB, FW54FB, FW70DB, FW71DB, FW72JGB, FW73JGB, FW74FB, FW81HS ( 9 Cell, 6600 mAh ) - Includes Soft Nonporous Microfiber Cleaning Cloth