Anker 340 Charger (40W) Review


The rapid advancement of technology has led to a surge in the use of electronic devices, which require frequent charging. The increasing demand for reliable and efficient charging solutions has given rise to an array of charging hubs that promise faster and safer charging.

Among these is the Anker 340 Charger (40W), a compact and powerful USB charging hub that boasts advanced technology and certified safety measures.

In this review, we will take an objective look at the features and performance of the Anker 340 Charger. We will explore its charging speed, design, technology, and compatibility with different devices.

Whether you are a tech-savvy individual or a traveler in need of a multi-device charger, this review aims to provide you with all the information you need to make an informed decision about whether the Anker 340 Charger is right for you.

So let us delve deeper into this popular charging hub and see how it stacks up against other chargers on the market.


One of its standout aspects is its advanced charging technology, which utilizes both PowerIQ and VoltageBoost to deliver the fastest possible charge up to 8 amps or 2.4 amps per port. This means that users can charge multiple devices simultaneously without compromising on speed or efficiency.

Another notable feature of the Anker 340 Charger is its multi-device charging capabilities, with four ports providing unimpeded high-speed charging for all types of devices such as phones, tablets, and more.

Additionally, this charger has a compact design making it travel-ready with a foldable plug and 100-240 volt input ideal for worldwide travel. Finally, Anker’s MultiProtect safety system ensures complete protection for both users and their devices against any potential risks such as surge protection and temperature control.

Overall, the Anker 340 Charger offers an innovative solution for efficient multi-device charging in a portable package that emphasizes user safety and convenience.

Charging Speed

With the use of exclusive charging technology, the Anker 340 Charger (40W) is capable of providing an ultra-fast charge, allowing for multi-device charging and efficient power output. The PowerIQ and VoltageBoost technologies work together to ensure that each device connected to the charger receives its fastest possible charge speed. This means that you can simultaneously charge two iPads and two iPhones at full speed, without any compromise in charging time.

To further enhance its efficiency, the Anker 340 Charger (40W) also features a MultiProtect safety system that ensures complete protection for both you and your devices. Surge protection, temperature control, and other advanced safety features keep you safe from electrical hazards while ensuring that your devices are not damaged during charging.

With its compact design and foldable plug, this charger is also travel-ready, making it ideal for worldwide use. Overall, the Anker 340 Charger (40W) is a reliable and efficient solution for all your charging needs.

  • Exclusive charging technology provides ultra-fast charge
  • owerIQ and VoltageBoost technologies work together
  • Each device receives fastest possible charge speed
  • Simultaneously charges multiple devices at full speed
  • MultiProtect safety system ensures complete protection
  • Surge protection
  • Temperature control
  • Advanced safety features
  • Compact design with foldable plug makes it travel-ready


The compact size of the device, which is similar to that of a MacBook Air power adapter, makes it easy to transport and store. Additionally, the foldable plug adds convenience by allowing users to snap it out for charging and then fold it back in for simplified storage.

Moreover, with its 100-240 volt input, this charger is travel-ready and ideal for use worldwide. Its small size also means that it can comfortably fit into any pouch or pocket without adding unnecessary bulk.

These design features demonstrate Anker’s commitment to innovation and creating products that are both functional and aesthetically pleasing.


This section explores the technological capabilities of the Anker 340 Charger (40W), particularly its advanced charging technology that combines PowerIQ and VoltageBoost to provide fast and efficient charging for multiple devices simultaneously.

PowerIQ ensures that each connected device receives the optimal amount of power, while VoltageBoost compensates for cable resistance to ensure a consistent charge speed. This feature is especially useful for those who have multiple devices that require different levels of charging current, as it eliminates the need to switch between chargers or constantly monitor each device’s battery level.

Another key feature of the Anker 340 Charger (40W) is its MultiProtect safety system, which provides protection against overcharging, overheating, and short circuits. Additionally, its compact design with a foldable plug makes it a convenient travel companion for those always on-the-go.

With these technological advancements combined with its portability and safety features, it’s no wonder why this charger has been recommended by media outlets such as The Wall Street Journal and has become a fan-favorite among customers worldwide.


Anker 340 Charger (40W) Review

Compatibility is an essential factor to consider when purchasing a multi-port USB charger, as it determines whether the charger is suitable for the devices you own and use daily. The Anker 340 Charger (40W) is compatible with a wide range of Apple and Android smartphones, tablets (including the Nexus 7), and other USB-charged devices. However, there are some limitations to keep in mind:

  1. This charger is not compatible with the iPod nano, iPod Classic, or iPod Shuffle.
  2. It also does not work with HP TouchPad or Asus tablets.
  3. If your device triggers the protective internal safety switch, unplug all cables for five minutes and retry.
  4. For optimal use, it is recommended that you use your original cable or a third-party certified one (such as MFi).

Despite these limitations, the Anker 340 Charger (40W) offers advanced charging technology through PowerIQ and VoltageBoost that combine to provide fast charging up to 8 amps or 2.4 amps per port—making it compatible with most modern devices on the market today.

Its compatibility ensures that this charger can be used by individuals who need reliable power for their day-to-day activities without having to worry about device compatibility issues.

Overall, compatibility plays an important role in determining whether a multi-port USB charger will meet your needs effectively or not. The Anker 340 Charger (40W) provides ample compatibility options while offering advanced charging technology for individuals who require fast charging speeds without sacrificing safety features such as surge protection and temperature control—all wrapped up in a compact design perfect for travel or everyday use.

Anker 340 Charger (40W) Specification

Specification Anker 340 Charger (40W)
Model Number A2142
Product Name Anker 340 Charger (40W)
Compatibility iPhone 7 / 6s / Plus, iPad Pro / Air 2 / mini, Galaxy S7 / S6 / Edge / Plus, Note 5 / 4, LG, Nexus, HTC, and More
Input AC 100-240V ~ 1.1A 50-60Hz
Output DC 5V / 8A
Ports 4 USB Ports
Advanced Technology PowerIQ and VoltageBoost
Charging Speed Up to 2.4 amps per port
Safety Features MultiProtect safety system
Compact Design Foldable plug, compact size (65×65×29mm / 2.6×2.6×1.1in)
Weight 145g / 5.1oz
Additional Features Media’s Choice, multi-device charging, ultra-powerful, world-famous warranty


In conclusion, the Anker 340 Charger (40W) is a highly efficient and reliable charging hub that caters to the needs of travelers and tech enthusiasts alike. Its advanced charging technology ensures fast and safe charging for multiple devices simultaneously, while its compact design makes it easy to carry around. The foldable plug adds convenience by allowing for easy storage. Additionally, this charger has been recommended by reputable sources such as the Wall Street Journal.

According to recent research conducted by Yahoo Finance, the global smartphone market is projected to reach 1.57 billion units in 2024. With such a vast number of smartphones in use worldwide, having a high-quality charging hub like the Anker 340 Charger is essential for ensuring that your devices are always powered up and ready to go. Its ability to charge multiple devices at once saves time and eliminates the need for multiple chargers, making it an indispensable accessory for anyone on-the-go.

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