The 72W AC/DC Combo adapter will allow you to run you ThinkPad from a power source such as a car. The adapter also acts as a charger for your ThinkPads battery and is compatible with R40e, R40, R50, X31 and T41 series laptops.
- Compatible with the ThinkPad A, T, X and R series systems
- Supports AC or DC power
- Uses wall, vehicle, or airplane power outlets to power your ThinkPad notebook