Buy from Amazon.com : https://www.amazon.com/gp/product/B000FCNOZ6?tag=bromabakery0d-20

V7 Battery for IBM Thinkpad Hi Cap T40 T41 T42 R50 R51 08K8197 92P1102 High Capacity

Product Description :
Built with high quality components thats fit select LENOVO IBM laptops
Volts 111V Cells 9 Cells Chemistry Lithium-ion Capacity 6600mA
Replacement for OEM lamp part number 08K8195 08K8196 08K8197 08K8198 08K8199 08K8201 08K8214 92P1011 92P1013 92P1060 92P1061 92P1071 92P1075 92P1087 92P1089 92P1091 92P1101 92P1102 ASM-08K8192 ASM-92P1076 FRU-08K8193 FRU-08K8214 FRU-92P1077 0A36310
Compatible with LENOVO IBM THINKPAD R50 THINKPAD R50E THINKPAD R50P THINKPAD T40 THINKPAD T40P THINKPAD T41 THINKPAD T41P THINKPAD T42 THINKPAD T42P THINKPAD T43 THINKPAD T43P
1 year manufacturers warranty made with high quality cells