I believe it’s the same product. On the anker site it says “anker 511 charger (nano pro)” in its description. Could be that it’s the same product with different names for different geographic markets? Answer from thejasonkane on reddit.com
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iPhone J.D.
iphonejd.com › iphone_jd › 2021 › 11 › review-anker-nano-pro.html
Review: Anker Nano Pro (40W) – iPhone J.D.
The Anker product is more tall and less wide — which is an advantage because it hogs up less space on a horizontal power strip — but the overall volume is similar, even though the Anker Nano Pro (40W) provides twice as much power and can handle two devices instead of just one.
People also ask

Why is Anker 511 Charger (Nano Pro) faster and smaller?
Anker’s exclusive highly-integrated technology uses a stacked design with custom magnetic components to reduce size, boost efficiency, and improve heat dissipation. This allows Anker 511 Charger (Nano Pro) to support an 20W max output, while being just as small as a 5W iPhone charger.
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anker.com
anker.com › home › iphone accessories › anker nano charger (20w)
Anker Nano Charger (20W) - Anker US
Does it work with tablets, portable chargers, earphones, and other gadgets?
Yes, Anker 511 Charger (Nano Pro) charges not only phones, but also handheld consoles, tablets, earphones, portable chargers, and more.
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anker.com
anker.com › home › iphone accessories › anker nano charger (20w)
Anker Nano Charger (20W) - Anker US
Is fast charging safe with my phone battery?
Yes, almost all android phones and iPhones released in recent years support fast-charging technology, but many in-box chargers don’t deliver enough power to enable fast charging.
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anker.com
anker.com › home › iphone accessories › anker nano charger (20w)
Anker Nano Charger (20W) - Anker US
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Amazon
amazon.com › ask › questions › TxSQQYIYM0VMSH
Amazon.com: Customer Questions & Answers
Anker nano pro is the upgraded version of Anker nano. The differences are as below: 1, Appearance difference. Anker nano pro has 4 unique colors: Arctic White, Black Ice, Glacier Blue, and Cool Lavender. Moreover, Anker nano pro has a transparent appearance design which is more attractive.
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Reddit
reddit.com › r/anker › anker nano 4 eco (30w) charger
r/anker on Reddit: Anker Nano 4 ECO (30W) Charger
September 1, 2023 -

As others have mentioned, I also was surprised to see this lone item available for pickup from Best Buy when I haphazardly came across it. Too tempting for me to resist, I figured I’d share some pics.

I don’t know what specs (if any) are different; I assume the ‘Eco’ naming has to do with a more eco-conscious approach through the use of recycled materials; though its packaging might not give it away — literally or figuratively.

It’s just a tad larger than the previous 511 Nano 30W chargers; cute and surely one of a few color variations I’ll end up buying; even if it’s not very ‘green’. Ice Lake Blue might save the world’s glaciers from melting too quickly, though.

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Anker
anker.com › home › anker nano lineup
Anker Nano Lineup - Anker US
Enjoy ultra-fast 15W wireless charging with a secure magnetic hold that keeps your phone steady even on rough roads. Featuring a flexible memory alloy mount, 360° rotation, and 45° tilt, it adapts to curved dashboards and provides the perfect viewing angle for hands-free navigation.
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Apple Community
discussions.apple.com › thread › 255336874
Is Anker Nano Pro better for 15 pro max o… - Apple Community
I bought for me Anker Nano Pro adapter 20w and one original Apple 20w adapter. I tested bought day by day of charging and I saw that battery after Anker was going down faster than using original adapter 20 w.
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Anker
anker.com › home › /nano-pro
Anker Nano Pro - Anker US
"Anker Nano Pro will work flawlessly with your iPhone or other devices." ZolloTech · Subscribe now to get a gift with your first order! Contact Us · USA: For Anker Charging: 1-800-988-7973 Mon - Fri: 6 AM - 5 PM (PT) Customer Service: [email protected] · Website Live Chat · Mon - Sun: 8 AM - 4 PM (PT) Buy on the Anker Store ·
Find elsewhere
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Anker
anker.com › home › iphone accessories › anker nano charger (20w)
Anker Nano Charger (20W) - Anker US
Anker Nano Charger (20W)
High-Speed Charging: The 20W USB-C charging gives you the power to charge up your iPhone 14 from 0 to 50% in just 27 minutes—that's up to 3 times faster th
Price   $11.99
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Anker
support.anker.com › s › article › The-introduction-of-the-Anker-Nano-511-20W-charger-Anker-511-Charger-Nano-Pro-20W-charger-and-Anker-511-Nano-3-30W-charger
The introduction of the Anker Nano 511 20W charger ...
A2637, called "Anker 511 Charger (Nano Pro) 20W charger", is an upgraded version of the A2633 and utilizes the same cutting-edge Power IQ3.0 technology as the A2633. It is also compatible with Power Delivery 3.0, Quick Charge 3.0, and so on. It builds on A2633 and adds ActiveShield 1.0 technology.
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Reddit
reddit.com › r/anker › anker 511 nano pro vs anker powerport iii nano ?
r/anker on Reddit: anker 511 nano pro vs anker powerport iii nano ?
October 19, 2022 -

i try to figure out the real differences between those two models but i cant see a real comparison on youtube or reddit. so please need your help because i wanna buy one for my new pixel 6 phone

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Amazon
amazon.com › Anker-Charger-Durable-Compact-Included › dp › B099F558S1
Amazon.com: Anker USB C Charger Block 20W (Nano Pro), PIQ 3.0 Compact Fast Charger for iPhone 17/16/15/14/13 Series, Galaxy, Pixel 4/3, iPad (Cable Not Included) : Cell Phones & Accessories
Advanced Safety Features: Equipped with our all-new ActiveShield safety system to offer enhanced protection. Features a Dynamic Temperature Sensor which actively monitors temperature, and a Power Tuner Chip which adjusts power output to safeguard your connected device. Our Speed, Your Style: Choose between 4 unique colors to find the one that suits your style. What You Get: Anker 511 Charger ( Anker Nano Pro ), welcome guide, our worry-free 18-month warranty, and friendly customer service (cable not included).
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Amazon
amazon.com › Anker-Charger-Durable-Compact-Included › dp › B099F55CGR
Amazon.com: Anker USB C Charger Block, 20W PIQ 3.0 Compact Fast Charging for iPhone 17/16/15 and More Series, Galaxy, Pixel 4/3, iPad (Cable Not Included) : Cell Phones & Accessories
Smart Safety Features: Powered ... intelligently adjusts output to help protect your device. Our Speed, Your Style: Choose between 4 unique colors to find the one that suits your style. What You Get: Anker 511 Charger ( Anker Nano Pro ), welcome guide, our worry-free 18-month ...
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MacRumors
forums.macrumors.com › iphone, ipad, and ipod touch › iphone › iphone accessories
Anker's Nano Pro (40W) vs PowerPort III Duo | MacRumors Forums
November 14, 2021 - I have an iPhone, MagSafe charger, iPad Pro, and an Apple Watch S7. I'm looking for something that is basically two Apple chargers in one plug, and came across these... I first discovered Anker's Nano Pro (40W). Its single port output is listed as: 5V/3A (15W), 9V/3A (27W), 15V/2.66A (40W)...
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Switch Chargers
switchchargers.com › home › reviews & posts › anker 511 nano pro review
Anker 511 Nano Pro Review - Switch Chargers
Anker 511 Nano Pro
Review for the Anker 511 Nano Pro 20W USB-C charger, the smallest/lightest faster charger for iPhone, Android, and Nintendo Switch handheld. The <span>No products found.</span> is the smallest 18-20W charger you'll find from a reliable brand. Its fixed prongs are the compromise needed for the reduced size. Still suitable for travel when packed mindfully, also great for a dedicated outlet in a tight space, or when you want a wall charger that is hardly noticeable or more colorful. Port 1: 20W USB-C PD 3.0 (5V/3A, 9V/2.22A) | Quick Charge 3.0 (5-12V) Dimensions: 1.16 x 1.16 x 1.18 in | 1.1 oz
Rating: 4.8 ​
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Amazon
amazon.com › vdp › 0d3d493d251a43568497b2ba30f16220
Watch Anker Nano I vs Nano II vs Nano Pro USB C Charger Review! ...
Discover why Should You Buy? loves the Anker Nano Pro charger. See its compact design, vibrant colors, and fast-charging capabilities put to the test.
Published   September 10, 2021
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MacRumors
macrumors.com › review › anker-nano-power-bank-charging-station
Review: Anker's New Nano Line is Worth Checking Out
October 17, 2025 - If you use the cables and the USB-C port together, it's split 34W/33W/33W, or 46W/27W/27W. There are different splits when using the USB-A port as one of the three, and it maxes out at 12W. With all four ports in use, the split is 30W for each of the two cables, 28W for the USB-C port, and 12W for the USB-A port. Basically, any configuration you use will give you enough power to fast charge an ‌iPhone‌, with the exception of the USB-A port. Anker's Nano line is well-designed, and the three products that I tested are all useful and competitively priced.
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Reddit
reddit.com › r/anker › is there any difference between the charger anker nano 3 30w and the 30w charger sold at apple?
r/anker on Reddit: Is there any difference between the charger Anker Nano 3 30W and the 30W charger sold at Apple?
January 7, 2025 -

I cannot find any difference except there is no IQ3 written on it. But is it the identical charger or are there maybe different dimensions? Or any other differences? The Nano is sold at 20€ whereas the Apple one is sold for 50€. So there must be any difference, right?