And if the wattage is higher than the old (65:vs 45) is that just making peak demand easier to meet, or can that hurt?
My 'antique' Lenovo's power supply died..
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Hi lexoverrex, and welcome to our forums,
It might be worthwhile you having a look at this topic here:
But do bear in mind that your Lenovo will almost certainly have a different power requirement from the HP laptop mentioned in that topic.
Post back with details of your laptop ( model and serial number plus the details from the label on the original power supply /AC adaapter/charger) if you need further information on any of this.
Depending on the age of your laptop the voltage requirements will differ, I have seen them as low as 15V on some early models and as high as 20V on more modern ones.......... the vital thing is not to exceed the voltage specified, otherwise you risk a loud and expensive bang and damage to both the power supply, the laptop and possibly the mains wiring and circuits in your home or area of operation!
There is no problem if the power supply can provide more amps only the voltage have to match. The amps value indicated on the laptop is the max consumption value that the machine will do.
The max amps value indicated on the supplier is the max value it can provide to the device connected to it without eventually burning or shutdown in case it have some protections...
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