Detailed Product Description Replacement Laptop Battery For IBM IBM T, T20, T21, ThinkPad T22, T23 Seriest Part No:02K6739 ... , 02K6740, 02K6741, 02K6743, 02K6776, 02K6778, 02K6779, 08K8027.Fit Model:IBM T, T20, T21, ThinkPad T22, T23 Series Some unique characteristics ... of DOMKO batteries:1) 100% compatiblity, high safety, long-time working and ONE YEAR warranty ensures your business easy and ...