How To choose A adapter

Step 1. please check the input data on your laptop or your adapter output.
You will find voltage and current data.
Such as 20V 3.25A 、19V 3.42A、19V 2.37A....
Step 2. check your connection plug size.
Out diameter * lnner diameter
Such as 5.5*2.5mm、4.0*1.7mm、 4.0*1.35mm....

If still not understand ,please ask help from us !

the actual size may have a deviation of 1 ~ 3mm.

Laptop Adapter Information

Item: 90W 20V 4.5A Notebook Laptop Power Adapter
Code: SA180-square
AC Input: 100-240V, 50 - 60Hz
DC output Voltage / current: 20V 4.5A
Power Supply Watt: 90W
DC Connector size: USB-A
Power Plug: EU US UK AU optional
Suit :For Lenovo

Compatible Models:

(Tips : Pls click "Ctrl + F" to find the model you want )
For Lenovo Eraser B40 B50 G50 M4400 M4450 N40 N50 Z50 Z500 Z501 Z505 Z510 Z70 charger
for Lenovo for ThinkPad X1 Carbon 344428U Ultrabook
for Lenovo for ThinkPad X1 Carbon 344425U Ultrabook
for Lenovo for ThinkPad X1 Carbon N3N25UK Ultrabook
for Lenovo for ThinkPad X1 Carbon N3N72UK Ultrabook
for Lenovo for ThinkPad X1 Carbon N3N2SUK Ultrabook
for Lenovo for ThinkPad X1 Carbon N3N82UK Ultrabook
for Lenovo for ThinkPad X1 Carbon 34442HU Ultrabook
for Lenovo for ThinkPad X1 Carbon 3444AZF Ultrabook
for Lenovo for ThinkPad X1 Carbon 34442HF Ultrabook
for Lenovo for ThinkPad X1 Carbon 3444AZU Ultrabook
for Lenovo for ThinkPad X1 Carbon 3443CTO Ultrabook
for Lenovo for ThinkPad X1 Carbon 34442GU Ultrabook
for Lenovo for ThinkPad X1 Carbon 344456U Ultrabook
for Lenovo for ThinkPad X1 Carbon 3444B8U Ultrabook
for Lenovo for ThinkPad X1 Carbon 34442DU Ultrabook
for Lenovo for ThinkPad X1 Carbon 3444BDU Ultrabook
for Lenovo for ThinkPad X1 Carbon 3444FEU Ultrabook
forLenovoforThinkPad X1 Carbon 3444CUU Ultrabook
forLenovo for ThinkPad X1 Carbon 3444B7U Ultrabook
......
（More model consulting customer service）

Warranty

In Great Working Condition. We guarantee our products will charge your device as efficiently as the original charger. In addition, our products are in compliance with top industry standards.
1 Year Warranty- we will exchange your product free of charge should it become defective for 1 years from the date of purchase.You can contact with us any time!

TIPS

1.ABOUT CUSTOMS
We are not responsible for custom duty or import tax.But you can ask us send you INV .
2.ABOUT FEEDBACK
We are highly appreciated to your positive feedback, if you have any problem please contact us before you leave us negative feed back,we'll try our best to help you to solve the problem, pls trust us.
3.RETURN POLICY
All items are checked and packed in good condition before dispatch. If you find any defect in our items,please contact customer service within 7days of receipt item.Return items must be NOT-Used or have any sign of abuse or intentional damage.Buyer is responsible for all return shipping charges.
In order to avoid the problem that the purchased products are not suitable for your own laptop, please carefully confirm your computer model,accessories specifications and dimensions when purchasing products.