Anker PowerPort III Cube A2149 20W USB-C Charger

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Product guide

Anker PowerPort III Cube A2149 20W USB-C Charger

Anker PowerPort III Cube A2149 is a compact 20W USB-C mains charger with one port. Its foldable form factor is useful for travel, but the supplied details give conflicting voltage and current figures, so check the charger's rated input and output before purchase.

At a glance

Single USB-C port rated at 20 watts for charging one compatible device at a time.
Compact, foldable design is presented as suitable for carrying while travelling.
The listing identifies Type G mains plug and USB Type C charging connection.
Manufacturer claims charging an iPhone 15 series model to 50% in less than half an hour compared with an original 5W charger. This is a conditional claim, not a general result for every device.

Price

£8.54Save 22%

Reference price: ~~£10.99~~

Price checked: 12 Nov 2026

View offer Ahead of Black FridayExplore the selection

Often bought together

Anker USB C to USB C Charger Cable, 60W (3A) New Nylon (6 ft/1.8m, 2-Pack) | For iPhone 18/17/16/15 , iPad Pro, Samsung Galaxy, MacBook Pro,and More (Black)

£6.99

Pros and cons

Pros

A single 20W USB-C output suits buyers who need a small charger for one phone or other compatible device.
Foldable, compact form is convenient when packing a charger for travel.
The listing names phones, tablets, headphones and smartwatches among compatible device types.

Cons

One USB port means it cannot charge multiple devices simultaneously.

Technical specifications

27 specifications

Identity
Brand	Anker
Model	A2149
Colour	White
Enclosure material	Plastic

Charging and connectivity
Rated wattage	20 watts
USB ports	1
Connector	USB Type C
Connectivity	USB
Output current	4 Amps
Output voltage	5 Volts (DC)
Amperage	2.4 Amps
Current rating	3 Amps
Current type	DC
Compatible devices	Cellular Phones,Tablets,Headphones,Smartwatches
Compatible phone models listed	['iPhone 12', 'iPhone 11', 11 Pro', Pro Max', SE (2nd generation)', XS', XS XR', X', 8 Plus', 8'] See more

Power and electrical details
Power configuration	Corded Electric
Input voltage	100 Volts
Voltage	240 Volts
Frequency range	50 Hz - 60 Hz
Power plug type	Type G
Main power connector	2 pin

Design and installation
Form factor	Foldable, Compact
Mounting types listed	Wall Mount
Weight listed	0.1 Pounds
Portable	Yes

Features and compliance
Special features	Fast Charging, Short Circuit Protection, Travel
Specification met	CE

What to know before buying

Listing details to confirm

The listing gives contradictory electrical details: input voltage is stated as both 100 Volts and 240 Volts, while output voltage is 5 Volts (DC) and output current is 4 Amps alongside separate 2.4 Amps and 3 Amps current figures. Confirm the correct rated input and charging output for this A2149 version before buying. The listed compatibility models are also inconsistently formatted, although iPhone 16 is separately named. The 20W rating and Type G plug are stated, but do not resolve the conflicting electrical figures.

What’s in the box

PlugIncluded
Welcome guideCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Buyers wanting a compact, foldable, single-port USB-C charger for a phone or other compatible device.
Travellers who want a Type G plug and a small charger, after confirming its electrical ratings suit their destination.

Less suited to

Anyone needing to charge several devices at once from one mains plug.
Buyers who require clearly confirmed voltage and current specifications without first checking the selected listing or model.

Anker PowerPort III Cube A2149 20W USB-C Charger · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 16,333 ratings

5 stars81%81%
4 stars13%13%
3 stars4%4%
2 stars0%0%
1 star2%2%

Customer feedback describes the adapter as reliable, quick-charging and useful across different devices, and reports that it stays cool during use. Durability feedback is mixed, with some customers saying it lasted for months and others reporting failure within two years. These are customer perceptions rather than verification of performance. For a single-device 20W charger, the reported speed and broad device use may matter, while the durability reports are worth weighing if long-term use is a priority.

Positive themes

Customer feedback highlights perceived reliability, fast charging, usefulness with several device types and cool operation.

Mixed feedback

Durability feedback is mixed, with reports ranging from continued use after months to failure within two years.

Frequently asked questions

How many devices can this charger charge at once?

It lists one USB port, so it is intended to charge one connected device at a time.

Does it include a charging cable?

The feature text says the charging cable is not included.

Is this charger suitable for UK sockets?

The listing specifies a Type G plug, but also gives conflicting input-voltage details. Confirm the correct input rating for the exact A2149 listing before use.

What devices does the listing say it supports?

It names cellular phones, tablets, headphones and smartwatches. The model-specific phone list is inconsistently formatted, so confirm compatibility for your device.