ThinkPad Battery 28++
This is a battery pack that attaches to the docking port of a supported model.
- Battery specification: 8.4Ah, 11.1V, 93.24Wh
- Battery cell count: Nine, 3.7V lithium-ion cylindrical cell
- Battery run time: up to 9 hours
- Battery charge time: up to 5 hours
- Weight: 610 grams or 1.35 pounds