The 3-cell ThinkPad Battery 67 uses intelligent technology to power x220T and x230T systems for longer. Compatible with the X220T and X230T systems, it utilises advanced Lithium-Polymer and Lithium-Ion technology to ensure your device runs efficiently. On average, the battery life lasts for 30 watt hours. The system is rechargeable and compatible with the ThinkPad External Battery Charger (40Y7625).
A multitude of factors cause battery longevity to differ. These include: battery conditioning, power management, screen brightness, features, applications and other customer preferences.