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.

This little baby is one of the crown jewels of my charger addicifion. Dual 20w ports ebsures im never in red on any of my devices. Being able to also simultaneously charge two things is a game changer. It does get a little warm to rhe touch but nothing to cause concern. Despite folding prongs, this is still a no brainer based on performance and its compact size

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.

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.

Works well with the Apple lightning cable and charges fast. Like that it charges for Apple and Samsung. Would purchase this again.

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)!

Lots of power in a small package. Works great with my Apple products. It has two USB-C ports that can each produce up to 20 watts of charging power.

The product is durable and reliable. I use it for all my devices. It is easy to handle and can be transported anywhere.

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.

Quickly charges 2 phones at the same time. Nice and sleek charger

It's a nice size and does what it needs to at a reasonable price.

Beautifull,good power not to fast not to slow work lile a diesel truck,

Works really well, speeds are advertised, will recommend for anyone who uses Type-C.

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.

Works great!! Charges my phone quickly. I will certainly purchase this product again!!

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.

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.

This charger is the best thing I have had in a very long time. It is twice or even three times as fast as a regular base charger. you plug your phone and next thing you know is at 100% in less then you know it.

Love this. Use it often. Need a few more to accommodate all the weird connections