China Wholesale Manufacturer 5v 4a 20w 3.5*1.35mm laptop Power Adapter for LENOVO psu

FOB Reference Price:Get Latest Price
US $2-10 / Piece | 10 Piece/Pieces Sample order is ok (Min. Order)
Supply Ability:
200000 Piece/Pieces per Month
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
Output Type:
Product type:
5v 4a 20w 3.5*1.35mm laptop Power Adapter
Nominal Input Voltage:
AC 100V~240V
Input Voltage Range:
AC 95V~265V
Input Frequency:
Output Voltage:
Output Current:
Output Power:
DC Connector Size:
Output Cable Length:
1.5m normally or customized requirement
Packaging & Delivery
Packaging Details
brown box, color gift box packing or blister packing,50pcs packed in one carton
Delivery Time
3-5 working days
Product Description

China Wholesale Manufacturer 5v 4a 20w 3.5*1.35mm laptop Power Adapter for LENOVO psu

AC Input :

Nominal Input Voltage: AC 100V~240V

Input Voltage Range : AC 95V~265V
Input Frequency : 50/60Hz
AC Plug: AU, UK, UK, EU etc for choice.
DC Output :
Output Voltage: 5V
Output Current :4A
Output Power : 20W
DC Connector Size : 3.5*1.35mm
Line Regulation :2%
Load Regulation :5%
Ripple Noise :180 Mvp-p
Efficiency :>85%
Output Cable Standard :0.5mm2 Pure Copper
Output Cable Length :1.5m normally or customized requirement

We have all kinds of AC plugs for detailed markets.

DC connectors can be customized.

These types in the picture as the left are just for reference, and some special connectors can also be customized according to your detailed requirements.







>>>Strict tests to keep each qualified.




1. Over 9 years of professional experience in design and producing ac adpters. 

2. Strong R&D Capability, all kinds of products available: ac/dc adapters,laptop adapters, universal laptop chargers, tablet pc charger, industrial power supply and Irregular power adapters

3. Abundant inventory for fast delivery.

4. Passed FCC,CE,TUV Certificates. Reliable quality

5. Warranty 1 year:100% replacement for defective adapters, 1 to 1

6. Brand New Replacement Product, 100% OEM Compatible.

As for the PCB board: Fiberglass panels with Thick copper, tenacious, more environmentally friendly.
Expensive IC, no-load power loss about 0.3W~0.5W, when at full load, the efficiency is about 80%~85%.
As a 8 year professional manufacturer, we always put high quality and competitive price at first!


Packaging & Shipping


Company Information



Welcome OEM and ODM.

And we will try our best to meet to your request, Please don’t hesitate to contact with us!




1. Q: Do you offer samples for testing?                                                                                                                       

 A : Yes , we can offer samples for testing with cost paid by buyer  , then  We  will  return sample fee at your next bulk  order .

2 . Q : What's your MOQ ?                                                                                                                                          

A :  Our  MOQ usually is 100 pcs, of course also accept sample order , and usually 2000pcs OEM order .

3 . Q : How long is your warranty ?                                                                                                                            

A : We usually have 1 year warranty and 30 days guarantee .

4 . Q : Do you have CE certificate ?                                                                                                                              

A : Yes , of course we have , besides we also have ROHS , FCC ERP CB certificate .

5 . Q : Can you customize new items according to customer's require ?                                                                 

A : Yes , of course  we can , but the MOQis 5000 pcs.

6. Q : How is the delivery terms ?                                                                                                                                 

A: We have fast and flexible deliver terms , bulk orders(above 5,000pcs ) usually delivery within 5 days by air/ by sea, General small batch orders can be arranged delivery within 1-3 days  by DHL ,FEDEX , EMS , UPS 

7. Q : Do you have burn-in test ?                                                                                                                                  

A : All of our products will have 100% burn-in test  for 3-4 hours .

8 . Q : Can you do our brand labels ?                                                                                                                            

A : Yes , we can , we can do brand labels and boxes according to customer's request . 

No matter where you are now, we will meet in some corner of the world in the near future!


Contact: Tina Yi                                                                                                   

Tel: 86-755-29002629 ext. 803 Fax: 86-755-29002629 ext. 816

Skype: yidashun823 / QQ:  2850683074  

TM:  cn1510952309 / Phone : +86 13332921890