Tech Specs Compatible 11.1V 4400mAh Original Model Numbers 4233-52U, 42T4725, 42T4726, 42T4727, 42T4728, 42T4729, 42T4730, 4446-23U, 51J0226, 57Y6266, 57Y6527, 57Y6528, ASM 42T4586, ASM 42T4728, FRU 42T4585, FRU 42T4727, G530, IBMN500BAT, L06L6Y02, L08L6C02, L08L6Y02, L08N6Y02, L08O6C02, L08S6C02, L08S6D02, L08S6Y02, LO8S6Y02, FRU – 42T4583, ASM – 42T4584 Suitable Models LENOVO 3000 B460, 3000 B550, 3000 G430, 3000 G430 4152, 3000 G430 4153, 3000 G430A, 3000 G430L, 3000 G430LE, 3000 G430M, 3000 G450, 3000 G450 2949, 3000 G450A, 3000 G450M, 3000 G455, 3000 G530, 3000 G530 4151, 3000 G530 444-23U, 3000 G530 DC T3400, 3000 G530A, 3000 G530M, 3000 G550, 3000 G555, 3000 N500, 3000 N500 4233-52U, G430, G450, G455A, G530, G550, G550-2958LEU, G550-2958LFU,LENOVO IdeaPad B460, G430 20003, V460, V460A-IFI(A), V460A-IFI(H), V460A-IFI(T), V460A-ISE, V460A-ITH, V460A-ITH(A), V460A-ITH(T), V460A-PSI(H), Z360-091232U, Z360-091233U, Z360A-ITH, Z360A-PSI, Z360, G430 What's in the box 1 X Battery