Long life Lenovo/IBM THINKPAD T42 battery on sale at ibm laptop batteries dot com. 100% compatible with IBM 02K6699/ 08K8192/92P1101 ... also designed to work with IBM THINKPAD T40 series/T41/T42/R50/R50E Notebook.
Chemistry: Li-ion
Capacity: 4400mAh
Dimension: 205.12x59.10x21.10mm
Color: Black
US $ 66.76 + (S&H rates)