V7's high-quality replacement notebook batteries are made from the highest-quality cells available & incorporate all of the standard logic boards, thermal protectors, thermistors & circuit breakers to ensure maximum levels of safety, reliability & efficiency. V7's wide selection is compatible with top-line products from all major manufacturers & meets or exceeds original OEM specifications to provide longer-lasting quality & no memory effect Features Technology: Li-Ion, Voltage: 14.8 V, Capacity: 4800 m Ah, Cells: 8 Cell Compatible with Lenovo Think Pad Notebook Series: X60 X60s X61 X61s