Rockwall 4

Compact 4 Port USB Wall Charger with Smart Charging Technology, Safety Design, Quick Charging, and Durability for iPhone, iPad, iPad, Smartphones, Tablets, and Other USB Devices

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  • Regular price $19.99

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RockWall 4 gives you a smarter and faster way to charge multiple devices at once. This portable USB charger features four USB ports that deliver a combined 3.4 amps of power. Rapidly charge your Apple and Android smartphones and tablets, as well as other USB devices from one convenient location. Its compact and portable size allows it to be used both at home and on the go. Streamline the charging process for all your devices with RockWall 4.



Have you experienced that you were looking for more outlets or wall chargers to charge many devices? RockWall 4 features four USB ports that let you rapidly charge up to four devices at once. Don’t move around house any more.



Don’t worry which port you need to put your device in. With Smart Charging Technology RockWall 4 can automatically detect type of device connected and provides maximum charge output. Connect any device to the USB port and charge.



Nobody wants to charge their device all day long. Good news! You can charge iPhone 6 Plus 40 min faster than regular charger and iPhone 6 30 min faster than regular charger. Save time for charging, spend more time for using it!



When you deal with electricity, safety is very important. RockWall 4 is built to prevent overcharging, overheating and damaging any connected devices. It also features high quality durability which makes it perfect for everyday use.



With the RockWall 4 you can charge Apple and Android smartphones and tablets, as well as other USB devices like e-reader, portable speakers, wireless headphones, and more. Charge all devices from one power source.



•Smart charging technology allows any device to be charged through any port at maximum speed

• Rapidly charge up to four devices simultaneously

• Total charge output: 3.4 amps

• Charge Apple and Android smartphones and tablets, as well as other USB devices such as e-readers, portable speakers, wireless headphones, and more

• Designed for safety: prevents overcharging and overheating devices

• Premium construction for durable and reliable operation


What's included

Quick Start Guide



iPhone, iPod, iPad, Smartphones, Tablets, and other USB devices like e-readers, portable speakers, wireless headphones, and more


Ask a Question
  • I am using this at my work desk and the charger lets off a loud ringing sound once I start to charge a device. I really want this to work because I have multiple devices I need to charge at once but the noise makes it impossible to leave plugged in. Do you have any recommendations on how I can fix this? The wall charger is plugged into a desk outlet.

    It seems like the coil and high frequency transformer inside vibration cause buzzing while loading , as glue aging becomes loosing . it still does function but the sound is obnoxious unless you can open cabinet to add some glue for fix, 
    however, we highly recommend to buy a new unit . 


Customer Support

📧 email:

📞 Phone: 1-866-807-5946 (8:30AM-5:30PM EST)