Guangdong, China
Main Products:
Type of Ownership:
Limited Company
Management System Certification:
ISO9001:20015 certificate
Main Markets:
North America, South America, Europe, Southeast Asia/ Mideast, East Asia(Japan/ South ...
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Adapter, Wireless Charger, Power Supply manufacturer / supplier in China, offering Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc, Universal Switching Power Adaptor 5V 2A EU Wall Mount DC Power Adapter with Ce Approval, IEC62368 Ce GS Approval 100-240VAC 50/60Hz Power Adapter 12V 1A DC Power Supply for Routers and so on.

Diamond Member Since 2011
Audited Supplier
Supplier Homepage Products USB travel charger Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
  • Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

Purchase Qty. / Reference FOB Price
500-2,999 Pieces US $2.6
3,000-49,999 Pieces US $2.2
50,000+ Pieces US $1.8
Port: Shenzhen, China
Production Capacity: 800000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal
Usage: Laptop, Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display
Output Type: DC
Certification: TUV, RoHS, UL, ISO9001, CCC, FCC, Kc, PSE
Color: White
Type: Interchangeable AC Plug
Internal Structure: On-Off Type

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Basic Info.

Model NO.
Power Source
Single End Type
Plug In
Bluetooth Standard
Efficiency (USA)
Efficiency (Canada)
Efficiency (Europe)
Efficiency (Australia)
Transport Package
1PC/White Box
Shenzhen, China
HS Code
Multi USB wall charger interchangeable charger USB adapter Us EU UK Au and Kc

Output Voltage:5VDC
Outptu Current:2A
DC Plug:1  USB Port 
AC plug Interchangeable AC plug ( US/EU/UK/SAA/KC)

Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

1.  5V 2A Interchangeable AC plug USB Charger 

         1.1.1  The green mode power supply shall be certified by the following international regulatory

CertificationCountryCertified StatusStandard
cULCANAPPROVEDCAN/CSA-C22.2 NO.60950-1(2007)
TUV GS(BS)EuropeAPPROVEDEN60950-1/A11:2009
SAAAustraliaAPPROVEDAS/NZS 60950-1:2011&AS/NZS 3112:2011
KCKoreaAPPROVEDK60950-1, KN32&35

 1.2.1 INPUT VOLTAGE RANGE:90Vac to 264Vac. 
         1.2.2 RATED INPUT VOLTAGE:100Vac to 240Vac.  
         1.2.3 INPUT FREQUENCY RANGE:47Hz to 63Hz. 
         1.2.4 INPUT CURRENT:0.30A max. (I/P100-240Vac).
         1.2.5 INRUSH CURRENT:40A max. at 100-240Vac input for a cold start at 25ºC.
         1.2.6 EFFICIENCY: Higher than 73.4% at 100-240Vac input and output (25%, 50%, 75% & 100% load.).

Min. valueMax. value
Output regulation4.75V DC5.25VDC≤ ≤+/-5%
Output load0.0A2.0A 
No Load Power consumption-0.1WInput voltage:100-240VAC
Ripple and Noise-150mVp-p20MHz Bandwidth 10uF Ele.
Cap. & 0.1uF Cer. Cap
Output Overshoot-10% 
Line regulation-+/-1% 
Load regulation-+/-5% 
Turn-on delay time-3000mS 
Hold up time10mSInput voltage:115Vac
20mSInput voltage:230Vac

Primary to Secondary AC3000V/10mA , 1 minute for type test. 3 second for


The green mode power supply shall be hiccupped when any output operating in overload condition(set@ Max load 110 ~160 %) under any line condition for an indefinite period of time. The power supply shall be self - recovery when the fault condition is removed.

The power supply shall be hiccupped and no damage shall occur when any output operating in a short circuit condition under any line condition for an indefinite period of time. The power supply shall be self-recovery when the fault condition is removed.

  1.6.1 OPERATING : The power supply shall be capable of operating continuously in any mode without performance deterioration in the following environmental conditions.
          Ambient Temperature:-20ºC~40ºC
         Relative Humidity:10%~90%
         Vibration:1.0mm, 10-25Hz,15 minutes per cycle for each axis (X, Y, Z)
         Cooling:The power supply will operate with convection cooling .Blocking of vents
must not cause damage to The power supply.

         1.6.2 NON-OPERATING
he power supply shall be capable of withstanding the following environmental conditions extended periods of time, without sustaining electrical or mechanical damage and subsequent operational deficiencies:
         Ambient Temperature:-30ºC~70ºC 
         Relative Humidity:10%~90% 
         Vibration and Shock
The power supply shall be designed to withstand normal transportation vibration per MIL-STD-810D, method 514 and procedures X, as it s mounted in the chassis assembly and packed for shipping.


        1.7.1 EMI STANDARDS/EMI 

The power supply met the radiated and conducted emission requirements for FCC CLASS B,EN55022 CLASS B.

        1.7.2 EMC STANDARDS/EMC
The power supply shall meet the following EMC standards:EN 55024: 1998+A1: 2001+A2: 2003; Part 15 Subpart B, IC ICES-003

  1.8. Energy Saving (Level VI / Level 6) 
 1.8.1 US DOE: Office of Energy Efficiency and Renewable Energy 10 CFR Parts 429 and 430
        1.8.2 CEC: Appliance Efficiency Regulations (California Code of Regulations, Title 20, Sections 1601 through 1608) dated July 2015
        1.8.3 NRCAN: Amendment 11 to the Energy Efficiency Regulations for External Power Supplies, published on October 12, 2011 in the Canada Gazette, Part II
        1.8.4 Other (Specify): International Efficiency Marking Protocol for External Power Supplies - Level VI
        1.8.5 Other (Specify): Australian (GEMS) and New Zealand : AS/NZS4665.1-2005+A1:2009; AS/NZS4665.2-2005+A1:2009
        1.8.6 Other (Specify):  EU Directive for Energy-related Products ErP 2009/125/EC and Implementing Measure (IM) no. EC278/2009 for External Power Supply
        1.8.7 Other (Specify):  Code of Conduct on Energy Efficiency of External Power Supplies Version 5

  1.9.1 MTBF : The predicted and demonstrated MTBF must be greater than 50K hours at 25º C.
        1.9.2 BURN-IN : The power supply shall undergo a minimum of 4 hours Burn-In test
under full load at 40 ºC~±5 ºC 
        1.9.3 COMPONENT DERATING :  Semiconductor junction temperatures shall not exceed the manufacturer's maximum thermal rating.
        1.9.4 QUALITY GUARANTEE : 2 years warranty. 

1.10.WEIGHT : The weight of the power supply shall be about 150g 
1.11. MECHANICAL REQUIREMENT : The power supply size:L62*W39*H32mm.
1.12. INSULATION RESISTANCE : Input to output:50M OHM(500VDC) 
1.13.LEAKAGE CURRENT : The leakage current shall be less than  0.25mA for  class II when power supply is operated maximum input voltage and maximum load.
         B.   POWER METER : CHROMA 2100
         D.  OSCILLOSCOPE : TDS-2012B
         E.  DIGITAL MULTIMETER : Fluke 4.5
         F.   DC POWER : WYK-6030
  Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc
1).: White text on Black ground.
2).; 100ºC-PET materials, Temperature under 100˚C.
3).: Silk Screen printing, wipe resistance.
4).: Everlasting Gummed.
5).: Compliance to RoHS.
6).: YYMM means Date Code
7).: MM means Month (like 01-12)
8).: YY means Year (like 18)

1.15. About Merryking Factory:

MERRYKING as a famous manufacturer of switching power supply and transformer has exported power supply products over 14
years since we established, We are focusing on power supply designing and manufacturing in Shenzhen China. 
We established scientific, intact and efficient quality management system, which extends from product designing, raw material control, on-spot production management to after-sale services with constant, stable and reliable quality assurance. ISO9001:2008 system is fully implemented in our all managements. 
Our products have passed most of safety approvals in the world including UL, cUL, FCC, PSE, GS, CE, SAA, CCC, C-tick, CB, etc.
Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

1.16. Our Premium Service:

3 Years Warranty : 36 months,for all products

Quality makes that we have enough confidence to offer our clients longer warranty. We are one of the very few companies who offer 3 years warranty in the worldwide market.

Free Samples

1-3 pcs free samples for each model

We can offer you 1-3 free samples for quality and function test before bulk orders.

Faster Reply : Save Your valuable Time

Our professional sales team will give you the fastest reply by Trade Manager, Email, Telephone etc according to your any product inquiries or questions during 24 hours.


Faster Lead-Time : 

·Production capacity 500,000 PCS per month, short lead time: 10 - 15 working days.

·The fastest delivery

Professional workers and production ability will make sure that the delivery of your order can be finished in time.

Easy Deal

Easy and convenient deal for you

We can offer you any kind of trade terms, including EXW,FOB,CIF,DDU(custom clearance door to door service without taxes) and DDP(custom clearance door to door service with taxes) and also help you to choose the most suitable shipping way to save more time and money.

Safe & Reliable

·You are welcomed to check the quality of goods before delivery.

·With almost all of related certificates

Our products have completely been approved UL,cUL,FCC,CCC,GS,CB,CE,TUV,SAA,KC,ROHS,PSE,etc.

Our products fully satisfy the safety certifications standard. High product stability,like MTBF=50000?100,000 (Calculated Hours at 25°C ) 

After-Sale Guarantee Service
You can ask for a refund within 30 days after your receipt of goods We will bear all of the costs if it is because of the quality.Or,we will offer you the new goods as soon as possible.


Q: What is the main product of your company ?

A: 1. AC DC Power Adapters 2. USB Smart Charger 3. QC charger

Q: What certificates do you have ?

A: Our products have completely been approved UL,cUL,FCC,CCC,GS,CB,CE,TUV,SAA,KC,ROHS,PSE,etc. In order to make you fully understood the quality of our products,we would provide you with related certifications on your request.

Q: What`s your MOQ?

A: There is no MOQ and you are welcomed to order any amount.But you will get discount price for bulk order.

Q: Would you give me more details about the price of your products ?

A: We believe our quality and price are very competitive in worldwide market and We promise to offer you best cost-efficient products with higher quality.

Q: How can I get the matched adaptor production with only requirements/description ?

A: Ok Dear client, We`ll introduce you the matched products

according to your descriptions. Please kindly CLICK HERE to describe your requirements with following necessary tips :

a. What's the input please? Example:100-240VAC, 50/60Hz2

b. What's the output, please? Example: 5V DC 2A

c. What certificates do you need ?Example:UL+FCC needed

The more details you provide,the faster we could provide you with the corresponding products.

Q: I saw your company is with much experience in adapter field.Will I get better products than I expected under your guidance/suggestions ?

A: We aim to support our dear clients ,to achieve Your successful business with products quality and competitive price ,as well as 3 years warranty (longer warranty in this filed).

Also, we will offer you more necessary experience for free. For example,a.If your product working current is 1A ,we suggest you to use 12v 1.5A model ,so the adapter can keep good working status and long life ,and the working temperature is very low ,the 12v 1.5A adapter's price is nearby with 12v 1A .b. If your product belong to medical device ,the quality standard should be IEC 60601 ,if your product belong to IT device ,the quality should be IEC 60950.

Q: What payment term do you accept please ?

A: We accept T/T,L/C,D/P,Western Union paypal etc.

Enjoy work with MERRYKING. THANKS!

Multi USB Wall Charger Interchangeable Charger USB Adapter Us EU UK Au and Kc

Contact Detial : 
Nikki Xinag 
Sales Manager
Cell phone : +86 - 159 14085671

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