As a leading manufacturer of portable computer power accessories, Battery Technology is dedicated to providing innovation, reliable & affordable battery technology to generate power & functionality for notebook computers, camcorders, portable peripherals & cellular phones. Features Power Type: Li Ion Power: 11.8V, 5000m Ah Compatibility: Lenovo Think Pad R60, R60e, T60, T60p series OEM P/N: 92P1137, 92P1138, 92P1139, 92P1140, 92P1141, 92P1142, 40Y6799