AU Plug smart double usb charger

AU Plug smart double usb charger

Keyuantai is one of the leading and credible au plug 5v 3.4a 2 usb wall charger ctick saa travel adaptor chargers australia for mobile phones manufacturers and suppliers. We have professional staff and advanced equipment in our factory, which can assure you that our products are of high quality...

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Product Details

Product features:

  1. Built-in intelligent chip with multiple protections: adjust output in accodance with power rating request automaticallu; avoid short-cuicuit, overvoltage, overcurrent, overload and over release.

  2. Large compatibility, with iphone, Xiaomi, Huawei, Samsung, tablet, etc.

    compact size, less than one-half of the phone, pocket charger easy to carry.

  3. material: PC fireproof material, heat/cold resistant, high hardness, self-extinguishing, flasme retardant, non-toxic.

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Input100 to 240V AC, 50/60Hz
Output type5V 3.4A dual USB
ProtectionOverload protection
Output over voltage protection
Short circuit protection
CertificateCEC power supply standard
CE approved (EMC, TVD)
Efficiency Mini 72 %
No Load Power Consumption≤0.3W at Rated Voltage
Ripple And NoiseOutput voltage 1%
High-Voltage testPrimary to secondary: 3 kV 5 mA 60S
Leakage Current0.5 mA(max) at input 240V AC
Operating Temperature Range0--40°C
Storage Temperature Range -20  ---  85°C
 High Humidity Operation + 40 °C  and 90 ~ 95% Humidity
Net weightUSB About  65 gram per unit
MTBF50,000  hours  
Insulation Resistance:Primary
 to Secondary
50 Meg. Ohms min. 500VDC
ApplicationMobile phone, Tablet PC, Bluetooth headset, MID,Water purifier, LED, Medical
machine,CCTV camera, LCD, Set-top box, DVR, Router, Modem,etc.
PackingBlister packing(customized)
PE bag + white box + carton

PE bag+Paper segment+caton


Our markets


Main markets:Europe  33.20%
America  24.99%
Eastern Asia  8.33%
Africa   8.33%
Mid East  8.33%
Export Percentage:81%-90%



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Our company

Established in 2003, Shenzhen Keyuantai Industry Co. Ltd is a factory which is specialized in researching, manufacturing and selling all kinds of adapters and chargers.

Finishing Orders in One Week
We have a plant covering an area of 3,000 square meters as well as more than 200 skilled employees. All of our products can be designed to five to 300W. We offer about 200 series of products for you to choose from. Our products include AC/DC adapters, multi USB chargers, PFC power supplies, switching power supplies, car chargers and LED power supplies. OEM orders are welcome and we can finish the products in one week after placing the order.

Meeting UL, GS, KC, SAA, TuV and PSE Standards
We have outstanding techniques and testing equipment, such as automatic wave soldering and reflow soldering machines, AI plug-in machines, mounters, switching power supplies, automatic test systems, and RoHS spectrum analyzers. All the materials of our products are the best to ensure our products' high efficiency. Because of our strictness, we have attained the SGS and ISO 9001:2008 certificates, and most our products have UL, GS, KC, SAA, TuV, FCC, CE and PSE approvals.

usb charger factory
Why choose us


1)Professionally usb charger manufacturing
2)15-years Charger & Adapter Manufacture experiences
3)Over 13 Years' OEM & ODM Experiences
4)Quick and Safe Delivery
5)Professional and Experienced Service Team
6)24 Hours On Line  Customer Service
7)Distribution Channel in More Than 60 Countries
8)Full Range Products for Choice
9)CE,RoHS,FCC,SAA,KC,TUV,CB,SGS,Qualcomm certification
10) Various Packing-bin packing,standard packing and designed packing is available.
11)Competitive Price, Fashion Design, Best Performance,High Good Quality.


Q1: What is your MOQ?

A1: Usurally MOQ is 2000pcs for our products .But we can discuss if you need some special support.

Q2: How about your warranty?
A2 : Warranty is 1 years . All of our company products are under 6 strict quality test before shipping out . Quality is very important for both of us .

Q3: What is the payment methord ?
A3: 1.Small quantity: 100% advanced when we confirm the order.
      2. Large quantity: Client need to pay deposit when the order is confirmed, and the balance should be paid before delivery.
     3. We accept T/T, Paypal, and Western Union and so on .

Q4 : what is the lead time ?
A4 : Samples are 3-5 days . Mass products Usurally 25-30 working days.

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