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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: YDS
  • Model Number: YI402
  • Usage: Laptop
  • Output Type: DC
  • Connection: Laptop
  • Product Name: 40w adapter for lenovo
  • Input Voltage Range: 100-240V AC
  • Input Frequency: 50/60Hz
  • Output: 20V 2A
  • output power: 40W
  • DC Connector Size: USB TYPE C
  • Efficiency: >85%
  • Protection: OCP, OLP, OTP, SCP
  • Certification: CE, ROHS, FCC
  • Warranty: 1 year

Packaging & Delivery

Packaging Details Each one with PE bag then into brown box 50pcs /carton
Delivery Time Shipped in 5 days after payment
 New 20V/5.2V 2A 40W ADL40W ADL40WLC laptop ac power adapter charger for lenovo Yoga 3 Pro and Miix 2 11" Series Tablet PC
Product Description


Compatible with part number :

Lenovo: Lenovo ADL40WDA, ADL40WDJ, ADL40WDB, ADL40WDD, ADL40WDG, ADL40WDE, ADL40WDC, ADL40WDH, ADL40WCA, ADL40WCB, ADL40WCC, ADL40WCD, ADL40WCE, ADL40WCF, ADL40WCG, ADL40WCH, ADL40WLA, ADL40WLB, ADL40WLC, ADL40WLD, ADL40WLE, ADL40WLF, ADL40WLG, ADL40WLH, 36200561, 36200562, 36200563, 36200564, 36200565, 36200566, 36200567, 36200616, 36200579, 36200580, 36200581, 36200582, 36200583, 36200584, 36200585, 36200618, 36200572, 36200573, 36200574, 36200575, 36200576, 36200577, 36200578, 36200617, GX20J21001

Fits for laptop computer model:

for Lenovo

1 applies to the following laptop models
for Lenovo Miix 2 11.6 Tablet

2 applies to the following laptop models for lenovo
Yoga 3 Pro (13 inch) 
Yoga 3 Pro-1370
Yoga 3-1170
Yoga 3-1470

 Yoga 4 Pro (13 inch)

 Yoga 4S
Yoga 4S (12.5 inch)

Yoga 700
 Yoga 700 (11 inch)
 Yoga 700-11ISK
Yoga 700-14ISK
 IdeaPad Yoga 700
 IdeaPad Yoga 700-11ISK
 IdeaPad Yoga 700-14ISK

 IdeaPad 700S
Lenovo IdeaPad 700S-14ISK
 Yoga 900
Yoga 900 (13 inch)
Yoga 900-13ISK
 IdeaPad Yoga 900
IdeaPad Yoga 900-13ISK

Yoga 900S
 Yoga 900S (12.5 inch)
IdeaPad Yoga 900S

 Miix 4 
Miix 4 (12 inch)
 Miix 4-12ISK
 Miix 700
Miix 700 (12 inch)
MIIX 700-12ISK
 IdeaPad Miix 700
 IdeaPad Miix 700 (12 inch)
 IdeaPad MIIX 700-12ISK


Products specifications:


Model No.


AC Input

Nominal Input Voltage

AC 100V~240V

Input Voltage Range

AC 95V~265V

Input Frequency


DC Output

Output Voltage& current

20V 2A

Output Power


DC Connector Size


Line Regulation


Load Regulation


Ripple Noise

180 Mvp-p



Output Cable Standard

0.5mm2 Pure Copper

Output Cable Length

1.5m normally or customized requirement


Operating Temperature

0°C ~40°C

Operating Humidity


Storage Temperature

-20°C ~85°C

Storage Humidity



Over Load Protection

Short Circuit Protection

Over Current Protection

Over Temperature Protection




Adapter Size

59*59*26 MM(not including the AC plug)

Ac plug length


Adapter Weight


Inner Box Size

19*13*4.7 CM

Inner Box Weight




Outer Carton Size

48.5*32*40 CM

Outer Carton Weight





Inner Box

Normally neutral brown box or customized requirement

Outer Carton

Normally neutral standard carton or customized requirement



30 days


2 years

Terms and Conditions


100PCS for mixed order

Payment Terms

T/T, L/C, PayPal, western union

Delivery Time

3-5 days

Manufacturing Process

1. Set-Up→2. Hand Insertion→3. Wave Soldering→4. Touch-Up→5. V/I→6. ICT→7. INT→8. Apply Glue→9. Q/A→10. Entering Stock→11. Assembly→12. Power On Test→13. Hi-Pot Test→14. Burn-In→15. Hi-Pot Test→16. All Fun Test→17. Packing→18. OQC→19. Shipping

Test Procedures

1.No-load output voltage test→2.input power load test→3.No-load output ripple test→4.Full load open test→5.Full load output voltage test→6.Full load output ripple test→7.Full load input power test→8.Half load output voltage test→9.Half load output ripple test→10.Over load test→11.Over current protection test →12.Short circuit protection test (above test is under both 110V and 230V.)→13.High voltage test→14. burn-in test→15.Turn on delay time test→16.Rise time test→17.Hold time test→18.Overshoot test











Packaging & Shipping

 >> Package information:

♦ Safe packing, brown box or color box packing can be customized

♦ Adapter Weight: 290g

♦ Inner box size: 19*13*4.7 cm

♦ Inner box weight: 40G


♦ Carton Size: 48.5 x 32 x 40cm

♦ Gross Weight: 16.5Kg (not include AC cable weight)

 >>  Shipping details:

♦ FedEx/DHL/UPS/TNT for samples, Door-to-Door;  

♦ By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

♦ Customers specifying freight forwarders or negotiable shipping methods;

♦ Delivery Time: 1-3 days for samples; 5-15 days for batch goods.


Our Services


1.9 years focuson the AC DC power adapter Research and development, Production;

2.For control the quality ,we have professional test from the raw material to finished products to control the quality seriously;

3.can offer wholesale Factory prices, After-sale guaranteed;

4.Flexible and fast delivery, bulk orders usually delivery within one weeks, General small batch orders can be arranged delivery within 1-3 days,cause we usually have large quantity of PCB in stock;

5. All our high quality adapters with OCP/OVP/SCP/OTP protection;



Company Information


Company introduction:

Shenzhen Yidashun Technology Co.Ltd, founded in 2007, is a professional manufacturer dedicated to producing and sale of laptop adapter, universal laptop adapter, 12v 24V desktop adapter for LED/CCTV, AC DC power adapter, wall adapter, metal case switching power supply for LED/CCTV, USB charger, car charger ,usb wall socket,extension socket and so on.We Looking forward to be your friends and strategic partner forever!



 Manufacturing process :


Production output:
We own 6 automatic production line,our daily output is about 5000~8000pcs,our monthly output is 200,000~300,000pcs,we usually have big quantity PCB in stock which can short delivery time for you!

Professional test:

 We have a series of professional test from raw material~unfinished products~finished

products to control the quality seriously, each adapter make 100% check before delivery out.







>>What is your warranty for adapters?

We usually offer 1 year warranty

>>What is your MOQ and sample term?

 our MOQ is 100pcs, we can offer you free samples, but you pls pay shipping costs.

>> How do you deal with defective rates?

Our defective rates for high quality adapterusually is about 0.3%~0.5% below 1%, we usually will send you replacement part in next order for RMA.

>> Can can accept OEM&ODM?

yes,we can. We can customized the products,labels,package as your demands.

>> What is your payment terms?

we accept T/T,paypal, western union, L/C,cash...



How to contact

 We attend HK Fair, IFA  Fair, CES Fair…we can meet you around the world.


Within 24 hours, I will offer you any info about our products!


Skype: yidashun809

Phone no.: 86-13418741617



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