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$27.99$27.99
Ships from: Amazon Sold by: AnkerDirect
$17.99$17.99
Ships from: Amazon Sold by: AnkerDirect
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Anker Charger, 40W 4-Port USB Phone Charger with Foldable Plug, PowerPort 4 for iPhone 14/Pro/Pro Max/13/12, iPad Pro/Air/Mini, Galaxy S23/S22/S21, Note 20 Ultra, LG, Nexus, HTC, and More
Sustainability features
This product has sustainability features recognized by trusted certifications.
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.
Certification Number
743M8TReturn this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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Learn more
Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
Brand | Anker |
Connectivity Technology | USB |
Connector Type | USB Type A |
Compatible Devices | Smartphones, Tablets |
Compatible Phone Models | iPhone 11,iPhone XS,iPhone XS Max,iPhone XR,uiPhone X,iPhone 8,iPhone 7,iPhone 6,iPad Pro,iPad Air 2,iPad Mini 4,iPad Mini 3,iPhone X Plus,iPhone 8 Plus,iPhone 7 Plus,iPhone 6 Plus,Galaxy/Note Edge,Nexus 7 See more |
Included Components | PowerPort 4 (40W 4-Port USB Charging Hub), welcome guide, our fan-favorite 18-month warranty and friendly customer service. See more |
Special Feature | Portable, Short Circuit Protection, Multi Device Charging, Low Voltage Protection, Foldable, Compact, Input Current Surge Protection See more |
Color | White |
Input Voltage | 240 Volts |
Mounting Type | Wall Mount |
About this item
- Media's Choice: Recommended by the Wall Street Journal, which remarked that "PowerPort 4 was a godsend."
- Advanced Charging Technology: PowerIQ and VoltageBoost combine to provide the fastest possible charge up to 8 amps or 2.4 amps per port.(Does not support Qualcomm Quick Charge).
- Certified Safe: Anker's MultiProtect safety system ensures complete protection for you and your devices.
- Travel Ready: Compact design, foldable plug and 100-240 volt input ideal for worldwide travel.
- What You Get: PowerPort 4 (40W 4-Port USB Charging Hub), welcome guide, our fan-favorite 18-month warranty and friendly customer service.
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- Climate Pledge FriendlyProducts with trusted sustainability certification(s). Learn more
PRODUCT CERTIFICATION (1)
Climate neutral by ClimatePartner certifies the carbon footprint of a product was calculated and all associated emissions were offset.
- Climate Pledge FriendlyProducts with trusted sustainability certification(s). Learn more
PRODUCT CERTIFICATION (1)
Climate neutral by ClimatePartner certifies the carbon footprint of a product was calculated and all associated emissions were offset.
- Climate Pledge FriendlyProducts with trusted sustainability certification(s). Learn more
PRODUCT CERTIFICATION (1)
Climate neutral by ClimatePartner certifies the carbon footprint of a product was calculated and all associated emissions were offset.
From the manufacturer
PowerPort
Our acclaimed series of powerful, portable USB wall chargers. Built using only high-grade materials and advanced charging technology.
PowerPort 4
Packed with 4 PowerIQ enabled ports and a 40W output, simply plug in and charge phones, tablets and more at the same time. Whether on-the-go, or stationary PowerPort 4 is the ideal hub for multiple charging—up to 8 amps or 2.4 amps per port.
- Advanced Charging Technology
- Ultra Powerful
- MultiProtect Safety System
- Super Compact
PowerPort 4
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Multi-Device Charging4 ports provide unimpeded high-speed charging for all your devices—simultaneously. |
Foldable PlugSnap out to charge, then fold back for simplified storage. |
Perfectly PortableThe ideal size for any pouch, purse, pack, or pocket. |
PowerPort 4 | Anker 335 Charger (67W) with USB-C to USB-C Cable | PowerPort Speed 5 | Anker 736 Charger ( Nano II 100W ) | PowerPort Atom III Slim | PowerPort III 2-Port 100W | |
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Customer Reviews |
4.8 out of 5 stars
16,053
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4.8 out of 5 stars
328
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4.8 out of 5 stars
6,224
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4.7 out of 5 stars
3,483
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4.7 out of 5 stars
3,808
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4.7 out of 5 stars
847
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Price | $27.99$27.99 | $35.99$35.99 | — | $54.99$54.99 | $29.99$29.99 | $45.99$45.99 |
Charging Technology | Basic | Premium | Premium | Premium | Premium | Premium |
Charging Ports | 4 USB A | 2 USB C + 1 USB A | 5 USB A | 2 USB C + 1 USB A | 1 USB C + 3 USB A | 2 USB C |
Total Wattage | 40W | 67W | 63W | 100W | 65W | 100W |
iPhone Fast Charging | - | ✓ | - | ✓ | ✓ | ✓ |
Samsung Fast Charging | - | ✓ | ✓ | ✓ | ✓ | ✓ |
Macbook Compatible | - | ✓ | - | ✓ | ✓ | ✓ |
Main Feature | High-Speed Charging for Phones, and Tablets | Powerful Charging for Phones, Tablets, and Notebooks | Simultaneous Charging for 5 Phones | Powerful Charging for Phones, Tablets, and Notebooks | High-Speed Charging for Phones, Tablets, and Laptops | Powerful Charging for Phones, Tablets, and Notebooks |
Size/Inch | 2.5 x 2.5 x 1.1 | 2.8 x 1.7 x 1.3 | 4.0 x 3.0 x 1.1 | 2.6 x 1.24 x 2.24 | 3.5 x 3.4 x 0.8 | 2.73 x 2.72 x 1.22 |
Compare with similar items
This Item Anker Charger, 40W 4-Port USB Phone Charger with Foldable Plug, PowerPort 4 for iPhone 14/Pro/Pro Max/13/12, iPad Pro/Air/Mini, Galaxy S23/S22/S21, Note 20 Ultra, LG, Nexus, HTC, and More | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | Try again! Added to Cart | |
Price | $27.99$27.99 | $19.80$19.80 | $18.99$18.99 | $12.90$12.90 | -11% $16.99$16.99 List: $18.99 | -19% $32.49$32.49 List: $39.99 |
Delivery | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 | Get it as soon as Friday, May 17 | — |
Customer Ratings | ||||||
For traveling | 4.7 | 4.5 | 4.5 | 4.2 | 4.3 | 4.8 |
Charging power | 4.7 | 4.3 | 4.4 | 4.3 | 4.2 | 4.7 |
Value for money | 4.5 | 4.4 | 4.4 | 3.9 | 4.2 | 4.4 |
Cord length | — | 4.7 | 4.5 | 4.5 | 4.6 | 4.0 |
Sold By | AnkerDirect | Zhihui1 | AnkerDirect | Justice League Direct | YUEXBAOOus | Amazon.com |
connector type | USB Type A | USB Type A | USB Type C | connector type | USB Type A | USB Type C |
number of usb ports | 4 | 1 | 2 | 1 | 4 | 2 |
compatible devices | Smartphones, Tablets | iPhone 14/14 Pro Max/14 Pro/14 Plus iphone 13/13 Pro Max/13 Pro/13 Mini iphone 12/12 Pro Max/12 Pro/12 Mini iphone 11/11 Pro Max/11 Pro/11 Mini iPhone XS/XR/X/XS Max iPhone 8 / 8 Plus iPhone 7 / 7 Plus iPhone 6s Plus / 6s / 6 Plus / 6 iPhone 5s / 5c / 5 / SE iPad Pro / iPad Air / Air 2, iPad mini 2 / mini 3 / mini 4 iPad 4th gen, iPod Touch 5th gen / iPod Nano 7th gen iphone 12/12 Pro Max/12 Pro/12 Mini iphone 11/11 Pro Max/11 Pro/11 Mini iPhone XS/XR/X/XS Max iPhone 8 / 8 Plus iPhone 7 / 7 Plus iPhone 6s Plus / 6s / 6 Plus / 6 iPhone 5s / 5c / 5 / SE iPad Pro / iPad Air / Air 2, iPad mini 2 / mini 3 / mini 4 iPad 4th gen, iPod Touch 5th gen / iPod Nano 7th gen | iPad Pro 11" / iPad Pro 12.9" / iPad mini 6 / iPad mini 5 / iPad Air 4/AirPods Pro / AirPods (1-3rd Gen)/Apple Watch 1-8/Ultra | Laptops | Cellular Phones, Tablets, Magsafe Wireless Charger, iPod Nano, iPod Touch, Switch and Sports Watch | Apple iPhone 15, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 15 Plus, iPhone 14, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 13, 13 Pro, 13 Pro Max, iPhone 12 Pro Max, iPhone 12 Pro, iPhone 12, iPhone 12 mini, iPhone XR, iPhone XS Max, iPhone XS, iPhone X, iPhone 8 Plus, iPhone 8, HTC U12+, Galaxy S23+, Galaxy S23, Google Pixel 3 XL, Google Pixel 3, iPad Pro (12.9") 2nd Gen, iPad Pro (10.5"), Huawei Mate 20, Huawei Mate 20 Pro, Huawei P30/P30 Pro, Sony Xperia XZ2, and more |
input voltage | 240 volts | 120 volts | 100 volts | 120 volts | 100 volts | 240 volts |
connector gender | Male-to-Male | Male-to-Male | Male-to-Male | Male-to-Male | Male-to-Male | Male-to-Male |
power source | AC 100-240V | Corded Electric | Corded Electric | Corded Electric | Corded Electric | Corded Electric |
specification met | Qualcomm | ETL | — | MFI | — | — |
From the brand
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We want you to live without the inconvenience and uncertainty of where your next charge is coming from.
Our chargers and accessories don't just power up your devices, they offer the tech experience you want with zero restrictions.
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What's in the box
Product information
Product Dimensions | 2.5 x 2.5 x 1.1 inches |
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Item Weight | 4.8 ounces |
ASIN | B00VH8G1SY |
Item model number | A2142 |
Customer Reviews |
4.8 out of 5 stars |
Best Sellers Rank | #1,921 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories) #199 in Cell Phone Wall Chargers #624 in Climate Pledge Friendly: Electronics |
Is Discontinued By Manufacturer | Yes |
Connectivity technologies | USB |
Special features | Portable, Short Circuit Protection, Multi Device Charging, Low Voltage Protection, Foldable, Compact, Input Current Surge Protection |
Other display features | Wireless |
Color | White |
Whats in the box | PowerPort 4 (40W 4-Port USB Charging Hub), welcome guide, our fan-favorite 18-month warranty and friendly customer service. |
Manufacturer | Anker |
Country of Origin | China |
Date First Available | May 1, 2015 |
Warranty & Support
Feedback
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Videos
Videos for this product
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Honest Review of the Anker 4 port Charger
Perry Tinsley
Videos for this product
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4-Port USB Wall Charger - Travel MUST Have by Anker
Jeff Sieh
Product Description
Anker PowerPort 4
40W 4-port USB charging hub for phones, tablets & more
Media’s Choice
Recommended by the Wall Street Journal, which remarked that "PowerPort 4 was a godsend."
Advanced Charging Technology
Exclusive to Anker, PowerIQ and VoltageBoost combine to ensure your devices charge at their their fastest possible charge speed.
Ultra Powerful
4 ports pump out 40 watts of power, enabling multi-device charging. Simultaneously charge two iPads and two iPhones at full speed!
MultiProtect Safety System
Surge protection, temperature control and more advanced safety features keep you and your devices safe.
Super Compact
As small and light as a MacBook Air power adapter, the Anker PowerPort 4 is one of the most compact multi-port USB chargers on the market.
World Famous Warranty
At Anker, we believe in our products. That's why we back them all with an 18-month warranty and provide friendly, easy-to-reach support.
For Optimal Use:
Use your original cable or a third-party certified one (such as MFi).
Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices.
Note:
If a port isn't working properly, your device may have triggered the protective internal safety switch. In order to reset the switch, unplug all cables for five minutes and retry.
This charger is not compatible with the iPod nano, iPod Classic, iPod Shuffle, HP TouchPad and Asus tablets. We recommend charging your MacBook while it's turned off or in sleep mode (5-hour recharge time).
Sustainability features
This product has sustainability features recognized by trusted certifications.
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products' carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.
Certification Number
743M8TCustomer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, size and ease of use of the charging adapter. For example, they mention it's reliable, works perfectly and is compact. Some are also satisfied with appearance, charging, and travel. That said some complain about the stability.
AI-generated from the text of customer reviews
Customers like the charging adapter. They say it charges all of their devices quickly and effectively. They also say it's a perfect high power charger to charge multiple devices. Some customers mention that it does a better job recharging their headlamp battery than their prior charger. They like that it'll charge 4 items at once and has an indicator.
"...This Anker charger is a great size and quickly charges several devices at once. Anker makes good quality products. Glad I found this one!" Read more
"...battery chargers for my home security stuff, and I’m able to charge 8 batteries simultaneously using one wall outlet...." Read more
"...I also expect it will be very useful during travel. Just wish I could have figured out what I needed sooner." Read more
"Convenient to charge multiple devices thru USBs when hotel room has limited outlets." Read more
Customers are satisfied with the performance of the charging adapter. For example, they mention it works well for other devices, has a few minor issues, and works fine on 240VAC 50Hz. Some love the quality and say it won't disappoint. Overall, most are happy with the product and recommend it to others.
"...The new charger works perfectly so that I can charge my phone while also charging the laptop and accessories...." Read more
"I don't understand the price compared to the other's on amazon. It does work well but the fit, finish, voltage, charging time seem no better than..." Read more
"I haven't had it long, but it seems to be working fine. Great little portable charger...." Read more
"...Heavy duty and works as described." Read more
Customers like the quality of the charging adapter. They say it has a high quality build, is durable, and reliable. Customers also say the lightning cable is better built than the OEM Apple lightning cable, and has no break downs. They also mention that it charges quickly and is a trusted brand.
"...Anker makes good quality products. Glad I found this one!" Read more
"...Heavy duty and works as described." Read more
"...It's been so reliable and compact that I purchased one for work. In this case, Anker as a name-brand has come through again." Read more
"...But this wall plug is extremely durable, chargers all the devices quit without any issues...." Read more
Customers are satisfied with the size of the charging adapter. They mention it's compact, easy to transport, and takes up less space. Some say it'll fit solidly into any wall outlet and charges all of their devices quickly.
"...This Anker charger is a great size and quickly charges several devices at once. Anker makes good quality products. Glad I found this one!" Read more
"This Charger is compact with some cool features but lack the most important feature, it doesn't support PD or Quick Charger Technology, it still..." Read more
"...We wanted something small and compact with a folding plug so it would use less space when packed for traveling. This worked out great!..." Read more
"...It's been so reliable and compact that I purchased one for work. In this case, Anker as a name-brand has come through again." Read more
Customers like the travel adapter. They say it is great for travel, home, and especially travel use. The folding plug is perfect for travel and the charger fits conveniently in their travel bag. It is also perfect for use at hotel, airport, and lounge when traveling. The small design makes it very easy to carry the item in their bag with the cables.
"I haven't had it long, but it seems to be working fine. Great little portable charger...." Read more
"I’ve purchased this before and it’s absolutely perfect for traveling or everyday use...." Read more
"...is great for knowing when your devices are done charging, ideal for a hotel room if you are charging at a desk-..." Read more
"...The multivoltage capability (100v-240v) makes this ideal for international travel...." Read more
Customers like the appearance of the charging adapter. They say it's sleek, well-designed, and demure. They also appreciate the white color and the glossy finish. However, some customers have reported issues with the adapter scratching.
"It’s a real nice design and doesn’t overlap other outlets on a power strip...." Read more
"...All the USB plugs look great and hold the cords firmly inside. I also love the status light, which is a feature missing from my other Anker chargers...." Read more
"...The design and form factor are best in class--even in late 2020 I'm not aware of a device with four USB-A ports that's smaller and still plugs..." Read more
"...Every Anker product I've tried features an intelligent design and good craftsmanship.I use this wall charger for traveling...." Read more
Customers find the charging adapter convenient, easy to use, and simple to operate. They say it frees up most of the power strip, making their life easier. Some mention that the product is not overly difficult to cover.
"...Greatly reduced the amount of clutter especially with those massive Ring charging bricks. Very satisfied with this purchase." Read more
"Great convenience" Read more
"...gotten thousands of hours of use out of these with no break downs, no frustration, no waste, cheaper cost, and higher performance than the original..." Read more
"...Operation is simple, you fold out the prongs, plug in and then plug in your devices. There is no noticeable noise from the device...." Read more
Customers are dissatisfied with the stability of the charging adapter. They mention that it easily falls out of an outlet, the plug does not slide in and out easily, and with worn out outlets it may not stay in the outlet. The LED for charging status sometimes loosens from the wall outlet. Some customers also mention that the adapter is heavy and easy to knock out of the socket.
"...for some reason they are really easy to unplug. I had the same problem with a previous one I had but I thought it was a fluke...." Read more
"...USB ports are extremely tight, so tight that it is quite difficult to get the cables out...." Read more
"...but at some hotels/airports with worn out outlets, this might not stay in the outlet, especially if you have cords pulling on it...." Read more
"...I also had to PULL HARD to get them out. When doing so, the charger came out of the wall and I had to hold it with my left hand while I wiggled each..." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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The design and form factor are best in class--even in late 2020 I'm not aware of a device with four USB-A ports that's smaller and still plugs directly into a wall socket. I'd love it if Anker made a version of this with their swappable travel plugs, but it's compact enough to work fine with a quality travel adapter. (Don't charge multiple devices on a cheap travel plug adapter--it's asking for trouble if the adapter's crap, no matter how good the charger is.)
I almost never write tech reviews because most tech just stinks--purposefully designed to be used, soon broken, and replaced while the oil-based plastic and ultimately limited-supply metal waste piles up. But my family has gotten thousands of hours of use out of these with no break downs, no frustration, no waste, cheaper cost, and higher performance than the original parts shipped with our devices. So today I'm taking a moment of appreciation to write a review. Five stars.
-- Compact and high quality charger for four devices
-- Sufficient power to charge iPad and iPhone and additional items all at the same time
-- Doesn't get hot
-- Charges quickly
-- Retractable prongs on the plug
-- Multi-voltage
Cons:
-- Plug isn't changeable for use in other countries
I'm becoming something of an Anker fanboy. This is now the third Anker product I've purchased from Amazon, and I have been favorably impressed with all of them. I've got a multi-port desktop charger, a battery, and this wall charger. Every Anker product I've tried features an intelligent design and good craftsmanship.
I use this wall charger for traveling. It packs conveniently in my carry-on, and I don't have to scrounge through the house for multiple chargers before heading for the airport. I keep this charger in a go-case with a couple of retractable Apple lightening cords and a couple of micro-USB cords. It's all I need, and it's always ready to go.
The retractable prongs on the U.S. plug are convenient for shrinking the form factor, but I wish it also had a changeable plug (like an Apple power brick) that would allow me to add a European or British plug as needed when traveling abroad. The multivoltage capability (100v-240v) makes this ideal for international travel. Even without the swappable plugs, it still works with a passive plug converter for use in other countries. You just need to make sure you use a converter with a flush face; this won't plug into a recessed socket as you see with many European-style converters.
I'd probably give it higher, but I haven't had a chance to use it much. I like what I have seen so far, though! I bought a Drok Multimeter at the same time that I bought this product, so I could test to see how it performs. I put my iPhone 5 in one of the ports when it was charged 100%, and the I (Input) was at .2 amps. I was distressed at first, until I went online and found some instructions. When a device is at or near 100%, then the input amps on the Drok drops considerably, it stated. Whew...the Anker is not defective. So, I waited until my phone was at 12% and put the Drok on the Anker, again. This time the Output from the Anker was at 1amp, which is what the phone takes for input. I have not tried a device that takes more than 1amp, yet, which is why I say I haven't had a chance to use it much. But, so far, I am liking it. I bought it because I live full-time in my RV and am starting to use power banks to keep my devices charged. This wall charger states that it can give 2amps to each USB port, which means I can charge both of my dual-input power banks at the same time. Hope it works :)
7/1/17 I have had more time to use the unit, including using all four ports to charge my EasyAcc power bank and my Anker 20000, both of which have dual inputs that can take 2amps for faster charging. With all 4 ports in use to charge the 2 power banks, none of the ports put out close to 2 amps. The most I could get out of any of the ports was 1.65amps. If only 1 USB port was being used, the output from the Anker wall charger was 2.0. As soon as a second USB port was put into action, the amps dropped to 1.85. When the third was added, the amps dropped to 1.65. Bummer. Hoping this is because the unit is defective. I love the look and feel of the Anker products, but they are no good to me if they do not do what they say they do. Anker does have great customer service. So, I'm hoping they will help me resolve my issue and then I can put this at 5 stars.
If you aren't super concerned with output numbers, then this charger is great because it can charge 4 devices at once and it can charge at over 1amp for each of the 4. But, if you need the full 2amps for one of those devices, then maybe take another look. Charging times are much slower if your device needs 2amps but is only getting 1.6.
Top reviews from other countries
I love how small and portable this is, and it charges fast! Havent upgraded all my cables yet so this USB to USB-C/ Micro usb and the rest is just perfect! Price is good too
The outer box design is simplicity at its best and reminded me of the Chromecast packaging with its combination of white and blue. The minimalism extends to the contents of the box which includes nothing more than the charger itself and a couple of information leaflets. The first thing that you notice is that the charger has quite some heft to it. On my scale it comes in at 138g compared to 33g for the iPhone 7 charger. The weight is in a way an indicator of the quality of components and I can attest to it having used Anker products in the past. While none of the ports are certified for Qualcomm's proprietary Quick Charging, they are instead labelled as Power IQ which is Anker's microcontroller based solution for mimicking itself as the official charger for the device and thereby providing the optimal current requested by the device.
A problem that one faces when using US products is the presence of flat pins as against the round pin EU standard used in India. I always select flat pin compatible surge protectors or extension boxes but the wall sockets are another story. Among the 3 plug adapters I have with me, I found only one fitting snuggly with the flat pins of the charger. In case of others, the charger was left dangling dangerously on account of its weight and I had to resort to plugging in the charger upside down in order to prevent it from sliding out. The unit LED illuminates in blue with no load or when the charging current is within the USB 3 data standard of 500 mA. Anything above 500 mA and it changes to green which is in a way an indicator of quick charging.
The charger is rated at 40W at full load with 2.4A per port. With the normal USB DC voltage of 5V, it means that the device is capable of providing a total output current of 8A across the 4 ports. With most tablets drawing around 2.4A and phones drawing around 2A, this means the charger should be able to charge all of them at full speed. I decided to test it individually for 3 devices and compare it with the performance of their respective chargers.
First comes the iPhone 7. Apple provides a charger with a very low amperage of 1A compared to other mobile devices and while the optimist would say it is to prevent battery decay, a pessimist might think it is Apple's way of pushing people to buy an iPad charger which is listed as being compatible with all iPhones. Hence, it is a foregone conclusion that the Anker charger with its ability to supply up to 2.4A is going to be faster than the default charger, but by how much is to be seen. Unfortunately, Apple removed a lot of battery APIs in iOS 10 which makes it impossible to monitor the real-time current and hence I have decided to use time as a metric instead.
iPhone 7 (5 - 80%): Anker - 58 min; iPhone charger - 81 min
So, it turns out that on an average, the Anker charger is 28.4% faster than the default charger. Since the charging current tapers off as the voltage increases, the advantage of the Anker charger reduces as the battery percentage increases which is in fact visible as the LED changes from green to blue when the percentage hits 90%. Even then it offers susbstantial time saving.
The second device is a Redmi Note 3 that doesn't support Qualcomm's Fast Charging. The supplied charger is a 2A one. In this case I am checking the average charging current over a period of 5 minutes.
Redmi Note 3 (~60%): Anker - 1392 mA; Redmi charger - 1314 mA
Again, it seems that around 60% charge, the charging profile demands around 1400 mA. Even then, th Anker charger is able to supply a bit extra though the difference is negligible.
Lastly, I had a go with the OnePlus One which is a Quick Charge 2.0 device.
OnePlus One (~60%): Anker - 1701 mA; OPO charger - 865 mA
Since the difference is so large, I am inclined to think that the OPO charger is on its death bed and hence the comparison doesn't seem too valid. However, the charge current on the Anker is high enough to indicate that it is supplying what is demanded of it.
To conclude, empirical analysis indicates that the Anker charger is up to the task of charging any phone up to its full potential which makes it a welcome travel companion. On the other end, it is on the bulky side, weighing as much as a phone and tending to hang from the socket because of it. For its utility, the charger deserves a 5 out of 5.