LB1 High Performance 4400mAh, 6 Cell, Li ion, Replacement Laptop Battery for IBM ThinkPad T60, Z61p/ R60, R60e, T60, T60p, Z60m, Z61m Series, Compatible Part Numbers 40Y6795, 40Y67974Y6799, 92P1128, 92P1130, 92P114092P1127, 92P112992P1131, 92P113392P1137,