Smart technology and multiple safety system
There's inner Smart IC to keep multiple protections.
The 4 smart ports can automatically recognize the devices connected and give max current that would allow for the fastest charging possible for each.
1) 100% Brand New and High Quality
2) Color: Black,White or OEM
3)Application:Mobile Phone, Tablet, MP3, GPS, etc.
4)Material:PC Fireproof Material
The specifications of the 4 port usb charger
|Input||100 to 240V AC, 50/60Hz|
|Output over voltage protection|
|Short circuit protection|
|Efficiency||Mini 72 %|
|No Load Power Consumption||≤0.3W at Rated Voltage|
|Ripple And Noise||Output voltage 1%|
|High-Voltage test||Primary to secondary: 3 kV 5 mA 60S|
|Leakage Current||0.5 mA(max) at input 240V AC|
|Operating Temperature Range||0--40°C|
|Storage Temperature Range||-20 --- 85°C|
|High Humidity Operation||+ 40 °C and 90 ~ 95% Humidity|
Mobile phone, Tablet PC, Bluetooth headset, Readers,
Radiation detection instrument ,MID,etc.
Why choose us?
1.More than 14 year's experience,professional & responsible service.
2.High quality,o risk.
3.Competitive price,full range to choose from.
6.High market recognition.
Q1. When can we get reply after sending you the RFQ?
A1: Our working time is 8:30am. - 6:00pm. , Monday to Saturday. Your RFQ will be replied immediately during working time, in 24 hours during non-working time.
Q2. Can you offer OEM/printing logo on samples?
A2: Yes, but prices is different according to different logo styles such as letters, photo, size, colors and so on. For more detail please send message to our sales service.
Q3. Can we visit your factory?
A3: Yes. Due to too many visiting requirements, you need to make an appointment with our sales service. Customers who have placed an ordered will have priority.
Q4. Can you provide us product's pictures?
A4: Yes, for online resellers we will provide you the product's pictures. However, you need to send us your webpage or place an order from us.
Keyuantai is one of the leading and credible 22.5w 4 port usb charger manufacturers and suppliers. We have professional staff and advanced equipment in our factory, which can assure you that our products are of high quality and high precision and reliable performance. Various sizes, colors and styles products are available. Please feel free to contact us for more details.