V7's high-quality replacement notebook batteries are made from the highest-quality cells available and incorporate all of the standard logic boards, thermal protectors, thermistors, and circuit breakers to ensure maximum levels of safety, reliability and efficiency. V7's wide selection is compatible with top-line products from all major manufacturers and meets or exceeds original OEM specifications to provide longer-lasting quality. - Built with high quality components thats fit select LENOVO IBM laptops - Volts: 10.8, Cells: 6 Cells, Chemistry: Lithium-ion (Li-ion), Capacity: 4400mAh - Replaced OEM Battery 0A36311 ,121500052 ,45N1054 ,45N1055 ,75+ ,L11L6F01 - 1 year manufacturer's warranty made with high quality cells.