Anker 511 Nano Pro 20W White

The perfect everyday iPhone charger. The Anker 511 Nano Pro delivers 20W USB-C fast charging — taking an iPhone 14 from 0 to 50% in just 27 minutes — while being 45% smaller than a standard 20W charger. If you are checking the Anker 511 price in Bangladesh, you are looking at Anker’s most popular compact iPhone charger: full 20W speed in a body barely larger than the old 5W brick.

This page covers the Anker 511 in full: the 20W fast-charging performance, the 45% size reduction, ActiveShield safety with dynamic temperature monitoring, specifications, and the store’s warranty and delivery terms. Every figure below comes from the product page and Anker’s specifications — nothing is invented.

Anker 511 20W Fast Charging for iPhone

The Anker 511 delivers 20W through USB-C — the exact wattage Apple designed for iPhone fast charging. An iPhone 14 goes from 0 to 50% in 27 minutes, which is the practical definition of “fast” for daily use: plug in while you get ready in the morning, and you leave with half a battery.

Compared to the old 5W charger Apple used to include in the box, the 511 is up to 3× faster. That 5W brick took over 3 hours for a full charge; the 511 does it in a fraction of the time. If you are still using a 5W charger, this is the single most impactful upgrade you can make to your charging setup.

Anker 511 45% Smaller Design

The standout engineering achievement is size: the Anker 511 is 45% smaller than a standard 20W charger while delivering the same 20W output. This isn’t a minor reduction — it’s nearly half the volume, achieved through more efficient internal design.

In practical terms, the 511 is barely larger than Apple’s old 5W charger, but delivers four times the power. It disappears into a pocket, doesn’t block adjacent outlets on a power strip, and the white finish matches Apple’s aesthetic. For a charger you carry daily, size matters as much as speed.

Anker 511 ActiveShield Safety

ActiveShield is Anker’s advanced safety system, and the 511 uses two specific components: a Dynamic Temperature Sensor that monitors heat in real-time, and a Power Tuner Chip that adjusts output to protect your device.

Here’s what that means in practice: if the charger detects rising temperature — from a hot environment, a demanding device, or extended fast charging — the Power Tuner Chip automatically reduces output slightly to keep things safe. You don’t notice it happening; your phone just charges safely without overheating. It’s the kind of protection you hope you never need, but want to have.

Anker 511 Specifications

Note: the product page does not list dimensions, weight, input voltage, or box contents, so those are not included here rather than guessed. A USB-C to Lightning cable is required for iPhone charging and is not included with the charger.

Who Should Buy the Anker 511

The Anker 511 is the ideal primary iPhone charger — 20W is Apple’s recommended fast-charging wattage, the size is perfect for daily carry, and ActiveShield provides peace of mind. It’s also an excellent second charger for the office, bedside, or travel bag.

It is not the right choice if you need to charge USB-C laptops (20W is too low for most laptops) or multiple devices simultaneously (single port). For Android phones with faster proprietary charging, check if your phone supports standard 20W PD — many do, but some need their brand’s specific charger for maximum speed.

Why Buy From Gadget Superb

Gadget Superb is an online-only gadget store in Bangladesh, and every order is cash on delivery — you pay the delivery person in cash when the parcel arrives, and the store never asks for advance payment, card details, or OTPs. You can browse the full Mobile Accessories range at Gadget Superb to compare the Anker 511 against other chargers, or start from the Gadget Superb shop homepage.

For the brand behind the product, see the official Anker website for the global lineup and support resources.

The Anker 511 in a Morning Charging Routine

The 27-minute figure on this page is easiest to understand as a morning routine. You wake up to a low battery, plug in the Anker 511 while you get ready, and leave home with half a charge instead of a phone you have to nurse through the day. That is the practical difference 20W makes: the wait shrinks from a long, planned charging session to the time you were already spending getting dressed, eating breakfast, or packing a bag. That is the routine the Anker 511 was sized and powered for. A charger that can return half a battery in under half an hour turns charging from a schedule you plan around into a habit you barely think about.

Compare that with the habit the old 5W charger trained into people. At over three hours for a full charge, charging had to happen overnight or not at all, and a forgotten overnight charge meant a difficult next day. The Anker 511 changes the arithmetic because it is up to three times faster: a short plug-in now does useful work, so charging becomes something you can recover from during the day, not only something you prepare the night before.

Carrying the Anker 511: Pocket, Bag and Power Strip

A charger that is 45% smaller than a standard 20W charger changes where charging can happen. The Anker 511 is barely larger than Apple’s old 5W brick, so it slips into a pocket or a small bag pocket without the bulk that makes people leave a charger behind. Leaving it behind is the real cost of a bulky charger: the fastest charger in the world does nothing for a flat phone when it is sitting in a drawer at home. It also means one charger can live in the bag full time instead of being borrowed back and forth between home and work, unplugged at one end and forgotten at the other.

At the desk or the bedside, the same small body solves a different problem. A standard charger often covers the neighbouring socket on a power strip, quietly turning one outlet into a dead one. The Anker 511’s compact body is far less likely to block adjacent outlets, and its white finish matches the Apple aesthetic the page describes. Small details, but they are the ones you live with every single day.

ActiveShield in the Anker 511: Safety You Never Have to Watch

Safety systems are usually invisible until something goes wrong, and ActiveShield is designed to stay that way. Inside the Anker 511, a Dynamic Temperature Sensor watches heat in real time while a Power Tuner Chip stands ready to adjust the output. Neither part asks anything of you: there is no app to check, no setting to enable, and no warning light to interpret before you can trust the charger with your phone. That division of labour — one part watching, one part adjusting — is exactly what the safety description on this page sets out.

The moments that system exists for are ordinary ones, not emergencies. A hot environment, a demanding device, or a long fast-charging session can all push temperature upward, and that is when the chip reduces output slightly to keep things safe. With the Anker 511, you do not notice that adjustment happening; the charge simply continues more gently. It is protection that works by being unremarkable, which is exactly what you want from something plugged in beside your bed.

The Right Cable for the Anker 511

The charger itself is only half of the setup, because no cable is included in the box. For an iPhone, the Anker 511 needs a USB-C to Lightning cable between its USB-C port and the phone; without that cable, the 20W fast charging described on this page cannot happen. If you do not already own one, browse the Cables & Adapters range at Gadget Superb for a matching cable before you order.

For a USB-C device — an Android phone or a USB-C iPad, for example — the matching lead is a USB-C to USB-C cable instead. The rule is simple: the plug at the charger end is always USB-C, and the plug at the other end depends on your device. Keeping the right cable with the charger, rather than borrowing whichever cable is nearby, is what makes the fast charge repeatable every day. The Anker 511 does the power work; the cable simply has to match. A cable chosen for the phone you own today also stays the right cable for as long as that phone’s charging port stays the same.

What the Anker 511 Does Not Do

Honest limits make a charger easier to choose, and this one has two that are worth stating plainly. The Anker 511 has a single port, so it charges one device at a time; it cannot split its attention across a phone and a tablet together. Its 20W is also too low for most USB-C laptops, which need considerably more power than a phone charger is built to deliver.

Two softer limits come from the devices themselves. An Android phone with its own proprietary fast charging may need its brand’s charger for its absolute fastest rate, even though the Anker 511 charges it perfectly well through standard USB-C PD. An iPad will charge, but more slowly than with the 30W-plus chargers recommended for the larger models. If your routine needs that extra headroom, compare the Chargers & Adapters range, where a 30W option such as the Anker 313 sits alongside this one.

One Anker 511 at Home, One in the Bag

The page above calls this an excellent second charger, and that role deserves a moment of thought. A second Anker 511 at the office, by the bed, or in a travel bag means the first one never has to be unplugged, packed, and remembered. Each charging spot simply has its own charger waiting, which removes the small daily friction of hunting for the one brick you own and the cable that belongs with it.

It also explains why buyers choose a known name over the cheapest 20W charger on the shelf. The comparison on this page comes down to size, safety, and a track record of chargers that work consistently for years. A second Anker 511 keeps that same combination in both places instead of mixing a charger you trust with one you are merely hoping behaves the same way. That consistency matters most on the days you notice charging least, which, with a charger that simply works, is most days.

Anker 511 Warranty & delivery

Warranty: no warranty period is listed for this product on the page. The store’s policy is that if the product page lists a warranty period, that period applies — otherwise, please confirm warranty details with Gadget Superb before ordering (hotline 09638054751, care@gadgetsuperb.com, or Messenger). No “official warranty” or authenticity claims are made beyond what the live page shows.

Delivery: every order is cash on delivery — you pay the delivery person in cash when the parcel arrives. Delivery charge is ৳70 inside Dhaka city (1–3 days) and ৳120 outside Dhaka (2–5 days); times are working days and honest estimates, not guarantees. Where the courier allows it, you may open the parcel and check that the product is the one you ordered and is undamaged before you pay — tell the store the same day if anything is wrong. Every product can be returned within 7 days of delivery in its original condition with the box and accessories.

Frequently Asked Questions

1. Will this charge my iPhone 14 at full speed?

Yes. The iPhone 14 supports up to 20W wired fast charging (27W for Pro models via USB-C), and the Anker 511 delivers exactly 20W. You’ll get 0–50% in 27 minutes as advertised. You need a USB-C to Lightning cable (not included with the charger).

2. Is it really 45% smaller?

According to Anker’s specifications, yes — 45% smaller than a standard 20W charger by volume. The compact size is one of the main selling points: it’s barely larger than Apple’s old 5W brick but delivers 4× the power.

3. What is ActiveShield?

Anker’s safety system with two components: a Dynamic Temperature Sensor that monitors heat in real-time, and a Power Tuner Chip that adjusts power output to prevent overheating. If the charger gets too warm, it automatically reduces output slightly to stay safe — you won’t notice, but your device stays protected.

4. Does it work with Android phones?

Yes, for Android phones that support standard USB-C PD charging up to 20W. Many Android phones do, but some brands (Samsung, Xiaomi, OnePlus) have proprietary faster charging that needs their specific charger for maximum speed. The 511 will still charge them, just possibly not at their absolute fastest rate.

5. Can it charge my iPad?

Yes, it will charge iPads, though 20W is slower than the 30W+ chargers Apple recommends for iPad Pro. For iPad Air or standard iPad, 20W is reasonable. For the fastest iPad charging, consider a 30W+ charger like the Anker 313.

6. Do I need a special cable?

For iPhone: yes, you need a USB-C to Lightning cable (not included). For USB-C devices (Android, iPad Pro): a USB-C to USB-C cable (also not included). The charger has a USB-C port; the cable depends on your device.

7. Is 20W enough, or should I get 30W?

For iPhone: 20W is the sweet spot — it’s what Apple designed for, and higher wattage won’t charge an iPhone faster (iPhones cap at ~20W, 27W for Pro). For iPad Pro or USB-C laptops, 30W+ is better. If you only charge phones, 20W is perfect and the 511’s tiny size is a bonus.

8. Why is it better than a cheap 20W charger?

Three reasons: (1) Size — 45% smaller than standard 20W chargers; (2) Safety — ActiveShield with real-time temperature monitoring, not just basic protection; (3) Reliability — Anker’s track record for chargers that work consistently for years. Cheap chargers often skimp on safety components.

9. Is there a warranty?

No warranty period is listed for this product on the page. Please confirm warranty details with Gadget Superb before ordering (hotline 09638054751, care@gadgetsuperb.com, or Messenger). The store handles warranty claims with your order number.

10. How does cash on delivery work?

Every order is cash on delivery: you pay the delivery person in cash when the parcel arrives, and the store never asks for advance payment. Where the courier allows it, you may open the parcel and check that the product is the one you ordered and is undamaged before you pay.

11. What if the product arrives damaged?

Where the courier allows it, open the parcel and check before you pay. If anything is wrong, tell the store the same day via hotline 09638054751, care@gadgetsuperb.com, or Messenger. Every product can be returned within 7 days of delivery in its original condition.

12. Is the Anker 511 in stock, and what is the price?

Stock and price change over time, so the live product page is the authority for both — this page never hard-codes either. If the page shows the Anker 511 available, you can order with cash on delivery.