Lenovo expands ThinkPad T, W, and L Series with Intel Ivy Bridge CPUs - NotebookCheck.net News
A laptop battery goes from 100% to 75% after being plugged in for days. Is it time to get a new battery? - Quora
X230 6-cell battery re-celling considerations, 30+ and 44+ battery info [includes pictures] - Thinkpads Forum
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IBM Thinkpad Battery Re-Celling Battery Rebuild Tutorial - Thinkpads Forum