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:
Yes
OEM/ODM Service
Sample Available

USB Charger, Universal Charger, Universal Adapter manufacturer / supplier in China, offering 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter, 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 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
  • 5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter

Purchase Qty. / Reference FOB Price
1-9,999 Pieces US $2.99
10,000+ Pieces US $2.35
Port: Shenzhen, China
Production Capacity: 800, 000PCS/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Usage: Switching, Mobile Phone, Game Player, Digital Camera, Phone, Display
Output Type: AC or DC
Certification: TUV, RoHS, UL, ISO9001, CCC, Ce/cUL/FCC/PSE/Kc/Kcc/SAA/Rcm
Color: Black
Type: OEM
Internal Structure: On-Off Type

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Basic Info.

Model NO.
MKS-0503000I
Power Source
Half-Bridge Type
Connection
Plug In
Bluetooth Standard
Interchangeable AC Plug
Brand
Merryking
Efficiency
ERP VI
Trademark
merryking
Transport Package
White Box Inside, Carton Outside
Specification
5V 3A/5V 2A/5V 1.5/5V 1A
Origin
China
HS Code
8504401400
5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter 

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter



1.0  Parameter.
Model.:Output Voltage.:Output Current.:Watt.:
MKS-0503000I5.00V3.00A15.0W
MKS-0502500I5.00V2.50A12.5W
MKS-0502000I5.00V2.00A10.0W
MKS-0501500I5.00V1.50A7.50W
MKS-0501000I5.00V1.00A5.00W
MKS-0500500I5.00V0.50A2.50w


2.0  SAFETY STANDARD
The green mode power supply shall be certified by the following 
international regulatory standards:
Stander :
EN60950; EN60065; EN62368 (New );  EN61558;
UL1310; UL62368; UL60950; UL60065; UL62368
Certification:
UL/cUL/FCC/CE/GS/SAA/RCM/PSE/KC/KCC/
RoHS:
RoHS 2.0 /  China RoHS.

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter


3.0  EMS Standards/EMS
EN 61000‐4‐2,electrostatic discharge(ESD) requirement
Discharge characteristicTest levelTest criteria
Air discharge+/‐8KV B
Contact discharge+/‐4KV B

4.0  ELECTRIC WITHSTANDING STRENGTH(HI‐POT)
Primary to Secondary AC3000V/10mA , 1 minute for type test. 3 second for production.


5.0  PROTECTION FEATURE

5.1 OVER-CURRENT PROTECTION
The green mode power supply shall be hiccupped when any output operating in overload
condition(set@ Max load 120 ~18 80 %) under any line condition for an indefinite period 
of time. The power supply shall be self - recovery when the fault condition is removed.

5.2 SHORT CIRCUIT PROTECTION
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.

6.0  ENVIRONMENTAL CONDITIONS
6.1 OPERATING
The power supply shall be capable of operating continuously in any mode without
performance deterioration in the following environmental conditions.

6.1.1 Ambient Temperature: 0ºC~40ºC
6.1.2 Relative Humidity:10%~90%
6.1.3 Vibration:1.0mm, 10-25Hz,15 minutes per cycle for each axis (X, Y, Z)
6.1.4 Cooling:The power supply will operate with convection cooling .Blocking of vents 
must not cause damage to The power supply.

6.2  NON-OPERATING
The 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:

6.2.1 Ambient Temperature:-20ºC~60ºC
6.2.2 Relative Humidity:10%~90%
6.2.3 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.

7.0  Energy Saving (Level VI / Level 6)  

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

8.0  RELIABILITY AND QUALITY CONTROL
11.1 MTBF:  The predicted and demonstrated MTBF must be greater than 50K hours at 25º C.
11.2 BURN‐IN: The power supply shall undergo a minimum of  4  hours Burn‐In test under full
MERRYKING ENTERPRISES (HK) CO., LTD
SHENZHEN MERRYKING ELECTRONICS CO.,LTD.
MERRYKING ENTERPRISES (HK) CO., LTD
SHENZHEN MERRYKING ELECTRONICS CO.,LTD.
Page 7   of 11 
load at  40 ºC~±5 ºC :   4 hours  
11.3 COMPONENT DERATING/ Semiconductor junction temperatures shall not exceed
the manufacturer's maximum thermal rating..
11.4 QUALITY GUARANTEE:2 years warranty. 2  
12.WEIGHT/ The weight of the power supply shall be about  150g  .
13. MECHANICAL REQUIREMENT: The power supply size:L59*W41*H32mm.  
L59*W41*H32mm.
14. INSULATION RESISTANCE: 
Input to output:50M OHM(500VDC)   
15.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. 

9.0  . MAJOR MEASURE EQUIPMENT
A. AC SOURCE:AFC-500W 
B. POWER METER:CHROMA 2100 
C. ELECTRONIC LOAD:PRODIGIT 3310C 
D. OSCILLOSCOPE:TDS‐2012B 
E. DIGITAL MULTIMETER:Fluke 4.5 
F. DC POWER:WYK-6030 
G. HI-POT TESTER:LANKE ELECTRONICS 7112 
H. INSULATION RASISTANCE TESTER:YD2681A


10.0   OUR R&D TEAM:
5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter

11.0   OUR WORKSHOP:

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter


12.0   OUR PRODUCT TEST:

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter


13.0   SHIPPING:

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter


14.0   ABOUT US:
Merryking is a professional manufacturer of AC/DC power adapter and linear transformer 
since 2005, focusing on power supply designing and manufacturing in Shenzhen China.

We have established our own scientific, intact and efficient quality management system,
extending 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 management.

Our products have passed most safety approvals in the world, including UL/cUL, FCC,
PSE, GS, CE, BS, RoHS, REACH, SAA, CCC, C-tick, CB, IRAM, S mark,
NOM, EAC, BSMI, ICES, etc.

5V 3A/5V 2.5A/5V 2A/5V 1A Universal Travel USB Charger Power Adapter
 

15.0   Q&A:
Q: What is your MOQ?
A: 500PCs

Q: How about your warranty?

A :we offer 3-year warranty for our products.

Q: How can I finish my payment?
A: T/T, L/C, Western Union are all acceptable, PayPal is also OK.


Q: What is shipping method?
A: Samples will be sent via DHL, UPS, FedEX, TNT, EMS, etc.

    Bulk goods will be sent by sea or air.

Q: How about sample? For free?
A: YES! Generally we offer 1-3PCS sample(s) for your test FOR FREE, but you need to
bear the freight cost. If your sample quantity is more than 3PCS, we will charge some
sample fee, and we might return it when you place your first formal order as we
discuss ahead.

16.0   CONTACT US:
Nikki Xiang (Sales Manager)
MP.: +86- 159 14085671 
www.merryking.com



 

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