2018 New Design 2 Ports USB Fast Charger

2018 New Design 2Ports USB Fast Charger :1.2.4A USB Fast Charger Specification :
Model:K104Output :5V2.4A (Max)Input :0.4A (Max)USB Port:2USB Ports (each port 2.4A max)AC plug:for Europe.Smart IC:2pcs (optional)Color:White, Black or OEMCertification:CE
2. SCOPEThe document detail the electrical, mechanical and environmental specifications of aSMPS, the power supply provide 12W
continuous output power.
The power supply shall meet the RoHS requirement.2.1 Description :
USB Charger2.2 Charging standard:
Spport unlti device charging simultaneous (Cellphone,table pc)2.3 Subsidiary Output Function Characteristics:
With Auto detect function (Smart IC), Without each port ocp function3. Input Characteristics of 24W power adapter
3.1Input Voltage &Frequency:
The range of input voltage is from 90Vac to 264Vac single phase
Type.MinimumNominalMaximumInput Voltage.90Vac100Vac~240Vac264VacInput Frequency.47Hz60Hz/50Hz63Hz
3.2.Input AC Current/AC:
0.4Amax. @100-240Vac input &Full load3.3.Inrush Current (cold start):
60Amax. @264Vac input3.4.Average Efficiency:
74.730%min.@ Nominal input3.5.Energy Consumption :≤0.3W4.Output Characteristics of USB Charger
4.1Static Output Characteristics <Vo &R+N>OutputRated LoadUnload Output RangeFull Output RangeR+NRemarkRate+5.0VSmart2.4AMax5.0-5.25V4.75-5.25V300mVp-pUSB 1+5.0V5.0-5.25V120mVp-p300mVp-pUSB 2Ripple &Noise: Measurement is done by 20MHz bandwidth oscilloscope and the output
paralleled a0.1uF ceramic capacitor and a10uF electrolysis capacitor.
(test under the condition of rated input and rated output)
4.2Turn -on Delay Time
3S max. @100Vac to 240Vac input &Full load4.3Hold-up Time
10mS min. @Full load &115Vac/60Hz input turn off at worst case
20mS min. @Full load &230Vac/50Hz input turn off at worst case4.4Rise Time
20mS max. @Rated load4.5Fall Time
20mS max. @Full load4.7Output Overshoot /Undershoot
10% max. When the power on or off5.Protection Requirements5.1 Over Current Protection:
When Loading exceed 105-150% of rated current. OCP function will start up, USB charger enter
hiccup mode, ocp situation solved, product will automatically recover to work.5.2Short Circuit Protection:
The input power shall decrease when the output rail short, the power supply shall no damage,
and shall be self-recovery when the fault condition is removed6.Environment Requirements
6.1Operating Temperature and Relative Humidity:
0ºC to +40ºC
10%RH to 90%RH6.2Storage Temperature and Relative Humidity:
-20ºC to +80ºC
5%RH to 95%RH non-condensing @Sea level shall be low 2,000 meter6.3Vibration:
10 to 300Hz sweep at aconstant acceleration of 1.0G(Breadth: 3.5mm) for 1Hour for each of the
perpendicular axes X, Y, Z6.4Drop in:
1 Corner, 3Edges, 6Surfaces, Height: 100cm, On the Boards plane, the plug can be bend, and
scratch, but the structure should not be damaged, and can work normally7.Reliability Requirements
7.1Burn-in:
The power supply shall be burn-in for 4Hours under normal input and 80% rated load at 40ºC5ºC7.2 MTBF
The MTBF shall be at least 30,000 hours at 25 degree C, Max and nominal input condition.8.EMI/EMS Standards/EMI/EMS
7.1EMI Standards/EMI: EN55022
7.2EMS Standards/EMS:
7-2-1 EN 61000-4-2,electrostatic discharge(ESD) requirement
7-2-2 EN 61000-4-3,radiated electromagnetic field susceptibility(rs)
7-2-3 EN 61000-4-4,electric fast transients(burst) immunity requirement
7-2-4 EN 61000-4-5,surge capability requirement
7-2-5 EN 61000-4-6, Induced radio frequency fields conducted disturbances immunity requirement9.Safety Standards
9.1Dielectric Strength(Hi-pot):
Primary to Secondary: 3000Vac /5mAMax /60 second9.2Leakage Current:
0.25mAmax. at 264Vac /50Hz9.3Insulation Resistance:
50MΩ min. at primary to secondary add 500Vdc test voltage9.4RegulatoryStandards :Type.Country.Standard.State.Note.CE-EMCEuropeEN60950/EN55022PASSISO9001:2008 system is fully implemented in our management. Our products have passed most of safety
approvals in the world, including UL, cUL, FCC, PSE, GS, CE, SAA, CCC, C-tick, CB, etc.10.Lable of ac dc power adapter :11.Package of USB Charger :12.about Merryking Factory :13. 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 3years 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.

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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 qualityof 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 arefund 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.
FAQ

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 Iget 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: Isaw your company is with much experience in adapter field.Will Iget better products than Iexpected 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 3years 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.

Thanks you to visit our website ,Enjoy work with Merryking team.
Nikki Xiang
Sales ManagerSkype: Nikki-Merryking
linkedin : NikkiXiang
QQ:357432504Cell Phone:+86-159-1408-5671
www.merryking.com