Wireless: Vrlinking LED USB Car Charger,4-Port 3.1A Full Speed Powerful Charging Universial USB Car Chager Adapter with LED Voltage & Amps Display for iPhone 7/7 Plus/6/6S,Galaxy S8/S8 Plus,iPad(Black) - Vrlinking

Wireless: Hikity 2-Socket Cigarette Lighter Adapter 12V/24V 4 USB Charger Supply + QC Quick Charge + Double Sockets Car Cigarette Lighter Extender Splitter Adapter 4-Port USB Car Charger - Hikity

CE: FLECK CS008 Multi-Device 8-Port USB Desktop Charging Station (Black) - FLECK

Wireless: IC ICLOVER 4 Port USB Charger Travel Wall Charger With Fold-up AC Power Adapter for iPhone 6s 6s plus iPhone 6 6plus Samsung Galaxy s7 s7 edge s6 s6 edge s6 edge plus;HTC;Sony;Google;Kindle;MP3 Player;PSP;and External Battery - iClover

Wireless: Momoday Multi Port USB Wall Charger, 4-Port USB Charger 4A 20W Charging Station Hub Desktop Portable Fast Charger Universal for Cellphones iPad Camera and more (White) (White) - Momoday

Wireless: Multi USB Charging Station, 16W 3A 4-Port Charger Dock for Smartphones - Smays

Personal Computer: 2win2buy Dual PS4 Gaming Controller LED Charging Stand USB Charger Dock Station Cradle For Sony Playstation 4 - 2win2buy

CE: Car Charger 5.1A 25.5W 4 Ports USB Rapid Turbo Car Charger for iPhone 7 6S Plus 6 Plus 6 5SE 5S 5 5C 4S, HTC,Nexus 5X 6P,iPads Pro Portable - YOYOMAX

Wireless: LTERIVER Four Port 35W Wall Charger with Qualcomm Quick Charge 3.0 Technology and Smart Charge Technology for Mobile Phone,Tablet &Other USB Charging Device (PA-QC04) - LTERIVER TECHNOLOGY CO.,LTD

Wireless: Suriora 4 Port USB Outlet Wall Charger,Suriora 30 Watt High Speed for iPhone 6/6S/ 6/6S Plus/5/5S/SE,Samsung,HTC,Motorola, Nokia,Android,Tablet,and All Other Smartphones（Black） - Suriora

Wireless: LTERIVER Five Ports 50W USB Charging Station with Qualcomm Quick Charge 3.0 Technology (1 Port)and Smart Charge (4 Ports)Technology for Mobile Phone,Tablet &Other USB Charging Device (PA-QC05) - LTERIVER TECHNOLOGY CO.,LTD

Wireless: Momoday Multi Port USB Charger Super Speed 4-Port USB 3.0 HUB 480Mbps/5Gbps Charging Station Hub Desktop Portable Fast Charger Universal for Cellphones iPad Camera and More (Black） - Momoday

Wireless: Yubi Power YPOR61AW 30W 4-Port USB Rapid Wall Charger Travel Power Adapter for iPhone 5s/5c/5, iPad Air mini, Samsung Galaxy S5/S4 - 334 M LLC.

Photography: 4 Port Wall Charger, 1x Quick Charge Qualcomm 3.0 with 3x 2.4A Smart USB by Wasserstein for Aro Pro, Arlo Pro 2, Galaxy S8, S8 Plus, LG G6, LG G5, iPhone, iPad & More I Qualcomm Certified (White) - Wasserstein

Wireless: Suriora 4 Port USB Outlet Wall Charger,Suriora 30 Watt High Speed for iPhone 6/6S/ 6/6S Plus/5/5S/SE,Samsung,HTC,Motorola, Nokia,Android,Tablet,and All Other Smartphones (White) - Suriora

Wireless: TANNC 4 Ports USB Car Charger (48W / 9.6Amps) - Portable Smart Rapid Charging (LED Charging Power Indicator) for iPhone 6s / iPhone 6s Plus / iPhone 6 / iPhone 6 Plus / iPad / Other Devices - White - TANNC

Wireless: Vrlinking LED USB Car Charger,4-Port 3.1A Full Speed Powerful Charging Universial USB Car Chager Adapter with LED Voltage & Amps Display for iPhone 7/7 Plus/6/6S,Galaxy S8/S8 Plus,iPad(White) - Vrlinking

CE: Fashionlive 4 Port USB Charging Station Multi-Port USB Charger Switching Adapter for iPhone 6S 6 Plus iPad Air 5 Galaxy S6 Edge Plus Note 4 - Fashionlive

Wireless: Naladoo Universal 4 USB Multi-Port Charging Station Travel Wall Charger Desktop Quick Charging Station (Gold) - Naladoo

Wireless: Naladoo 4.1A Car Universal 12V 4Port USB DC Charger Adapter+ Micro USB Charge cable For Samsung (Silver) - Naladoo

The above is "4Port Usb Chager, Wireless: Vrlinking LED USB Car Charger,4-Port 3.1A Full Speed Powerful Charging..." recommended related products, Please click on the picture to see product details and 4port usb chager reviews!

4Port Usb Chager Popular Q&A

Q: What Is a 4-Port USB Hub?
A: The three-pronged symbol appears on all USB connectors and ports. The Universal Serial Bus port allows a computer to control peripheral devices. Both "low-speed... Read More »

Q: How to Charge a Zune 4G Without the USB Charger.
A: 1. Extend the prongs on the AC outlet charger. These will flip out from the side and click into place when they are fully extended. 2. Plug the charger cable in... Read More »

Q: How do you use the USB port as a charger for telecom products?
A: While a computer is turnrd on, an electric current of 5 volts DC is available through the USB port. All you need is a cable with one end being a standard male t... Read More »

Q: What multi-port  USB charger can provide 2.1A for each port?
A: Not sure if you've seen this one already. This one has 2 x 2.1A ports that plug into your car's cigarette lighter: Qmadix USB Dual Mobile Charging Hub 2.1 & 2.1... Read More »

Q: How to charger a 9 volt battery with a usb port?
A: While it could technically be done, the circuitry involved would be quite complex and probably not practical to use. Read More »