Anker Zolo A121E 50W GaN Charger, 4 Ports

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Product guide

Anker Zolo A121E 50W GaN Charger, 4 Ports

The Anker Zolo A121E is a 50W GaN wall charger with two USB-C and two USB-A ports. Its port allocation suits charging a mix of newer USB-C devices and older USB-A accessories, though the available output depends on how many ports are in use.

At a glance

Four ports combine two USB-C and two USB-A connections in one charger.
The manufacturer lists up to 30W from USB-C1 and up to 20W from USB-C2 when used individually.
The listing specifies 45W maximum output with three or four ports in use.
Compact stated dimensions are 54 × 32 × 43 mm, with a weight of 101.52 g.

Price

£14.24Save 29%

Reference price: ~~£19.99~~

Price checked: 12 Nov 2026

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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

Four ports can serve a mix of USB-C and USB-A devices from one wall charger.
When only the two USB-C ports are used, the listing claims 30W plus 20W output.
The stated size and weight are suited to packing in a bag for travel.

Cons

Using three or four ports reduces the stated total maximum output to 45W, and multi-port charging can be slower than using the two USB-C ports alone.

Technical specifications

17 specifications

Identity
Brand	Anker
Model	A121E
Maximum total output	50W Max
Ports	4
Port layout	2 USB-C & 2 USB-A
Colour	Black

Output and power
Power configuration	Corded Electric
Input	100 - 240V~, 50 / 60Hz, 1.7A
USB-C1 single-port output	5V⎓3A / 9V⎓3A / 15V⎓2A / 20V⎓1.5A (30W Max)
USB-C2 single-port output	5V⎓3A / 9V⎓2.22A / 15V⎓1.33A / 20V⎓1A (20W Max)
USB-A1 / A2 single-port output	5V⎓3A / 9V⎓2A / 10V⎓2A / 12V⎓1.5A (20W Max)
Three-port output	45W Max

Connectivity and controls
Connection types listed	USB-C, USB-A
Charging protocols	PD 3.0, QC 3.0, Appel, PPS, BC 1.2, FCP, SCP, AFC

Dimensions and installation
Form factor	Block
Dimensions	2.13 × 1.26 × 1.69 in (54 × 32 × 43 mm)
Weight	3.58 oz (101.52 g)

What to know before buying

Listing details to confirm

The manufacturer says that when two or more ports are used, the combined output for ports other than USB-C1 is limited to 15W. Connecting or disconnecting devices while changing between single-port and multi-port use may briefly interrupt charging, and charging speed also varies with device and battery conditions. The listing's 50W total maximum and stated two-port 50W maximum coexist with a 45W three- and four-port maximum. Its general note says other ports are limited to 15W when two or more ports are used, while separately claiming USB-C1 and USB-C2 provide 30W + 20W when used together. Check the port-specific allocation for your intended setup.

What’s in the box

Included

1 adapter

Who is it for?

A good fit for

People who want one compact charger for several USB-C and USB-A devices.
Travellers who prioritise four charging ports and have no need for a higher-output laptop charger.

Less suited to

Buyers who need guaranteed 50W total output while charging three or four devices.
Anyone who needs a fixed charging speed regardless of device, battery state or port combination.

Anker Zolo A121E 50W GaN Charger, 4 Ports · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 981 ratings

5 stars84%84%
4 stars10%10%
3 stars1%1%
2 stars2%2%
1 star3%3%

Customer feedback highlights positive impressions of charging speed, multi-device usefulness, port selection and compact size. Those comments are relevant to the four-port layout, but actual charging speed depends on the port combination and the device. Durability feedback is mixed, with some customers describing it as durable and others reporting that it did not last. The supplied aggregate ratings lean strongly positive, but ratings alone do not establish performance or durability.

Positive themes

Customers report that it works as expected and charges multiple devices quickly.
Customers appreciate its compact size and combination of USB-C and USB-A ports.

Mixed feedback

Durability impressions differ, with reports of both lasting well and not lasting.

Frequently asked questions

How many ports does the Anker Zolo A121E have?

It has four ports: two USB-C and two USB-A.

Does it deliver 50W when all four ports are used?

The listing states a 45W maximum for four-port output, not 50W.

What output is claimed when both USB-C ports are used?

The listing claims 30W from USB-C1 and 20W from USB-C2 in that two-port configuration. It also says that ports other than USB-C1 are limited to a combined 15W when two or more ports are in use, so check the listing's port allocation before relying on simultaneous output.

Can charging briefly pause when a device is connected or removed?

The manufacturer says a brief interruption can occur as the charger redistributes power when switching between single-port and multi-port use.