ThinkPad Battery 39+
This is a battery pack that attaches to the docking port of a supported model.
- Battery specification: 3.2Ah, 11.1V, 35.52Wh
- Battery cell count: Six, 3.7V lithium-ion polymer pouch cell
- Battery run time: up to 3 hours
- Battery charge time: up to 40 minutes
- Weight: 395 grams or 0.87 pounds