Can I use 18.5V3.5A Ac adapter from Toshiba lab top on 19.5V3.9A Sony lap top?

upi

New member
Will it shorten 18.5V3.5A ac adapter life because of overheating? or eventually damage lab top component?

I figure a new Ac adapter is half of the price of the Sony lab top. Can some one show me how to hard wire additional 0.4A from another old Ac Adapter (say cell phone charger) to make up the different?

I believe 18.5V charging 19.5V appliance will just take longer to charge. Is it correct? What is it doing to the battery life?
 
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