- Lenovo ThinkPad T420s T420si Laptop Battery
- Warranty: 12 months
- Voltage: 11.1V (10.8V)
- Number of cells: 6
- Cells technology: Li-Polymer
- Capacity: 3600 mAh
- Colour: Black
- Overdischarge protection: Yes
- Overcharge protection: Yes
Compatible Models:
- ThinkPad
- T420s
- T420si



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