Some lenovo laptops may have defective batteries:
http://www.reghardware.co.uk/2009/08...battery_issue/
You can download a testing tool here:Quote:
The issue affects ThinkPar R60, R61, T60, T61, X60 and X61 machines sold worldwide. It manifests itself as a sudden drop in the battery charge displayed by Windows or by a very short battery life.
http://download.lenovo.com/lenovo/co...ndingPage.html
They will replace the defective ones free of charge.
N.B. This is NOT a safety issue, it just affects performance.
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