Customer Ratings & Reviews

This Anker charger is great i use this ti charge my phone and tablet both of which are fast charge items. They both get charged up quickly and this is such a compact charger. Anker always has some of the best charging items out on the market and never fail to make them better. This will replace one of my larger chargers I am currently using and I will get faster charging for my equipment.

The Anker Powerport III Nano Pro Duo 40W fast wall charger is a compact and efficient charger designed for those who need quick and reliable power on the go. Ideal for anyone with USB-C devices such as smartphones, tablets, or small laptops, this charger fits comfortably into any lifestyle, whether at home, in the office, or traveling. One of its standout features is the dual 20W USB-C ports, which allow you to charge two devices simultaneously without sacrificing speed. Its 40W total output ensures fast charging, cutting down on wait times significantly. Despite its power, the charger remains small and lightweight, making it easy to carry around without bulk. Users will appreciate Anker’s reputation for safety and durability, as this charger includes safeguards to protect against overheating, overcharging, and short circuits. The design is clean and modern, blending seamlessly into any environment. Overall, the Powerport III Nano Pro Duo is a dependable accessory for anyone needing a fast, portable charging solution. It balances power, size, and convenience with the trusted quality Anker offers, making it a worthwhile addition to your tech gear.

It is pretty fast charger. Especially when the top one used only. It charges with full 40W. Pretty small form factor with great price. I wouldn't miss it.

This fast, compact charger is great for iPhones, iPads, smaller Macs and most other USB-C power requirements. I have 2 of these, 1 at work and 1 at home. 40w from such a small power brick is impressive (GaN)! This is more powerful than the charger that comes with smaller Macs (30w) as well as twice the power of Apple’s 20w iPad/iPhone charger. You can charge 1 device at 40w or 2 devices at 20w. Great for travel. Highly flexible.

I absolutely love this charger. It's super fast and super fast chargers my s23 ultra. It's very sturdy and high quality. I highly recommend it to anyone who nees a good charger. It's also small and lightweight.

LOVE this power brick. The compact formfactor while having 40 watts of charging with 2 USB-C ports is the best to have with me wherever I go!

I love how it feels in the hand. It is a premium feel, with a minimalistic design and easy to store. Functionally it is holding up great, it charges my phone or watch + AirPods really fast. The build quality is really good and I can expect several years of use.

This charger is barely larger than Apple's original 5W charger that we all know, but it pumps out an amazing 40W! (2A at 20V to be exact). Power is shared between ports (so if 2 ports are used - top rating goes down to 20W per port). This adapter is a no-brainer for travel and can charge even your larger power hungry devices (like iPad Pro)! Check pictures for my power tests (and size comparison between Apple's 5W and 29W and Anker's 40W and 60W adapters), it easily put out 35W for my iPad. Helps reduce clutter too (one less brick)!

This charger block does everything you need it to. I primarily use it for my Galaxy Watch (10W Draw) and my Fiancée's Apple Watch (15W Draw) and it works perfectly. It does fine with other, more demanding uses too, like my phone (40W draw), as long as only one of the ports is being used.

Charges Samsung s22 ultra at 28. This is with a high speed cable. Phone limits how fast you can charge it to about 28-30. Charger is well made and takes up little dpace

I have lots of Anker cables and charging blocks but I needed USB-C connections and this charger did not disappoint. Very reliable, charges fast, compact in size, and an amazing product. Hands down one of the best charging products out on the market.

The Anker Powerport III Nano Pro Duo 40W Fast Wall Charger is a compact and efficient charging solution designed to meet the needs of modern smartphone users. With dual 20W USB-C ports, it promises rapid charging for devices like the iPhone 15 and Samsung Galaxy series. Available in a sleek white design, this charger aims to deliver power and portability in one convenient package.

The Anker 521 Powerport lll Nano Pro Duo 40w Fast Charger is a necessity is today’s world where we all have multiple devices that need to be charged no matter where we are. Out of the box it is immediately apparent that this is a quality device. It is compact at approximately 1 3/4” deep and 1 1/3” height and width, yet with a nice amount of weight that reflects the amount of tech inside. The prongs do not fold so they do add some nominal length when carrying the charger. It also comes with an 18 month warranty. The charger features : Power IQ 3.0 which adapts the power output to the maximum speed for your device. Voltage Boost which compensates for cable resistance Real time temperature sensing to assure that the device temperature stays within normal range. Power Tuner Chip adjusts the maximum safe output for your device. Dual USB-C ports which will output 40w from a single port or 20w simultaneously from 2 ports. We have 2 Pixel phones and this is able to rapidly charge both phones at the same time. It will also charge my laptops, though not as quickly at the much larger chargers that were provided by those manufacturers. I travel often and for me this means I no longer have to carry multiple chargers with me, some of which are large and heavy. I can just bring this small charger and know that it will get me by with all of my devices. I am extremely impressed with this charger and would highly recommend this to everyone.

Holds up to the marketing hype; it charges 2 USB-C devices at max speed, while remaining more compact that most chargers that are half as capable. Build quality seems great; it looks nice and blends in well with Apple stuff.

This little bugger is exactly what I was looking for! I already have a plethora of the single port 20 watt chargers from Apple. Those are fine but I found myself switching the USB C cable at least once a day to move from charging my iPhone to my iPad or vice versa. More if I wanted to charge with the Apple Watch fast charger. I went on a search and found this adaptor/wall wart. I have enjoyed Anker's products in the past and now I can add this to the list. It will charge at 40 watts if you have only one device plugged in or 20 watts each with both devices plugged in. I get to leave both device cables in at once and not lose one! Maybe we won't need multiple ports as often if we ever get USB C on iPhone (haha that'll be the day) but until then, this nicely compact charger will do the trick for me.

Most compact high watt double usc charger out there! I really like that it doesn’t block off other wall outlets under it or to the side of it, unlike bulkier chargers that stick out to the sides too much. Also, $30 is well worth it for the quality. Occasionally on sale for $25 which is a steal.

Charges my LG V60 within the hour where it use to take all night. I got this as it monitors and adjust the charge to help prolong battery life (something fast charges can shorten). Decent price too.

A wall adapter? But it charges very fast? And it’s not super bulky? I’m sold

I bought this to take on vacation. It’s compact, well built, and charges fast.

Total life saver when staying in a hotel with not enough outlets since this can handle two devices! Good quality. The only reason didn’t give 5 stars is i wish it had retractable prongs and it is heavier that expected.