Possible Duplicate:
Thinkpad power adapters
Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply?
I have lost my charger for a laptop that takes 3.42A at 19V. I have a (2 years newer) charger for the same brand of laptop that provides 4.74A at 19V. Is it ok to use this charger for this laptop?
