Now, its the turn of ThinkPad laptop owners to return their Sony batteries for a free replacement. These Sony batteries have been shown to pose a fire hazard. Unless you want your laptop to explode because of these batteries, visit the Lenevo website at http://www.lenovo.com/batteryprogram and get your free battery replacement.
The batteries affected are used by these ThinkPad laptops:
T Series (T43, T43p, T60)
R Series (R51e, R52, R60, R60e)
X Series (X60, X60s).
The batteries affected have these model numbers on their label:
ASM P/N 92P1072, 92P1088, 92P1142 or 92P1170;
FRU P/N 92P1073, 92P1089, 92P1141, 92P1169 or 93P5028.