IBM Thinkpad R50 R50E R50P R51 R51E R52 T40 T42P T43P 10.8V 4.8Ah 6-Cell Li-ion Laptop Battery 92P1090.
IBM Part Number: 92P1090 11S92P1090
FRU Part Number: 92P1091
Compatible Models: IBM Thinkpad R50 R50E R50P R51 R51E R52 T40 T42P T43P Series
Specifications:
Type: Lithium-ion
Rating: 10.8V
Amp: 4.8Ah
Cell Number: 6