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Lenovo 20V 2.25A 45W Connector 4.0mm x 1.7mm Power Supply AC Adapter Charger

Lenovo 20V 2.25A 45W Connector 4.0mm x 1.7mm Power Supply AC Adapter Charger

Lenovo 20V 2.25A 45W Connector 4.0mm x 1.7mm Power Supply AC Adapter Charger

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How to choose your replacement Lenovo laptop ac adapter?
1. Please determine the power connector size of your laptop, in order to select the connector size of the Lenovo laptop power adapter. Normally, each brand notebook power interface has several different dimensions corresponding to different notebook models. Lenovo notebook models have many connector sizes. There are the round tips as 7.9*5.5mm, 5.5*2.5mm and 4.0*1.7mm. The new slim tips as square one with a pin in center and special square one like USB.


2. Please determine the voltage and current parameters your laptop required, in order to select the voltage and current parameters of the Lenovo laptop power supply. Sometimes the different configurations of the same laptop model requires different power parameters, so you need to check out what the parameters your laptop needs. You can find these parameters on a label at the bottom of the notebook, or you can also check it on the tag of your original Lenovo laptop charger.


3. Lenovo has introduced several generations of their laptop power supply adapter charger that have different shapes, but their parameters and connectors have not been changed. They are universal. So if you find that our products have different shapes from your original Lenovo Laptop AC Adapter, please don't worry, they are compatible.

If you're not sure which power supply adapter charger your laptop needs or you have any doubts for the informations of our laptop power supply adapter charger, please contact us before placing the order.

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