Replaces the Lenovo/IBM 45J7914, ASM42T4557 and FRU 42T4655 batteries. High-performance battery for your laptop. So you won't miss an important e-mail because of a dead battery. Meets or exceeds OEM specifications. Lenmar(R) LBZ319L Lithium-Ion Laptop Battery, 10.8 Volts, 6900 mAh Capacity is one of many Laptop Replacement Batteries available through Office Depot. Made by Lenmar.