40W USB C Charger Cube 2-Pack - Compact 4-Port Fast Charger

In this review the reviewer looks at the Dulums 40W USB C Charger Cube 2-Pack and finds it best for people who juggle several devices and need reliable fast charging at home or on the road. The single biggest reason to buy is the combination of dual USB-C and dual USB-A ports that deliver up to 40W total with Power Delivery and Quick Charge 3.0 support, letting a phone and tablet charge together without hunting for multiple outlets. It is presented as a compact, travel-friendly replacement for multiple single-port adapters.

Key Features

• 2-Pack 40W fast charging: Two identical chargers in the box provide a combined 40W output per unit so users can keep one at home and one in a bag or office drawer for convenience.
• PD and QC 3.0 support: The USB-C ports support Power Delivery and Quick Charge 3.0 to rapidly restore compatible phones to a large charge percentage in a short time.
• Four high-utility ports: Dual USB-C and dual USB-A ports let users charge phones, tablets and accessories simultaneously, reducing time spent waiting for devices to power up.
• Universal compatibility: The multiport layout and supported charging standards mean the adapter works with a wide range of iPhone, Samsung, Google Pixel and other Android devices as well as tablets.
• Compact, travel-ready design: The charger is small enough to fit in a bag or pocket and frees up wall outlet space compared with using several single-port chargers.
• Built-in safety chip: A smart chip manages input power to help prevent overcharging and overheating, offering reliable day-to-day protection for devices.

Who It's For

This charger set is ideal for users who own multiple phones, tablets or accessories and prefer to charge several items at once without occupying many outlet slots. Travelers who want a pocketable brick to power a phone and a tablet on the go will appreciate the compact 4-port design and the convenience of having two identical units.

People who only need a single fast charger for one device, or who require device-specific high-wattage charging for laptops, should look elsewhere; this product targets phones, tablets and small electronics rather than high-watt laptop charging.

Pros & Cons

Pros

• Charges multiple devices simultaneously with dual USB-C and dual USB-A ports.
• Supports fast charging standards (Power Delivery and Quick Charge 3.0) for quicker top-up times.
• Compact, sturdy design that sits well in a wall outlet and is easy to travel with.
• Includes two chargers, which customers found useful for home and travel rotation.

Cons

• Not intended for high-watt laptop charging; total output is optimized for phones and tablets rather than larger notebooks.
• Limited to the ports and output described; users needing more than four simultaneous fast PD outputs should consider larger multiport stations.

Specifications

Product type	4-port USB wall charger (2-pack)
Total power per unit	Up to 40W
Ports	2 x USB-C, 2 x USB-A
USB-C output	20W (per USB-C port maximum as described)
USB-A output	3.1A / 5V
Fast charge standards	Power Delivery and Quick Charge 3.0
Safety features	Smart chip for overcharge and overheat protection

Our Verdict

The Dulums 40W USB C Charger Cube 2-Pack is a practical, good-value option for users who need to charge multiple phones and tablets reliably at home or while traveling. With dual USB-C and USB-A ports, PD and QC 3.0 support, and a compact form factor, it replaces several single-port chargers and cuts outlet clutter while offering sensible safety protection.

Frequently Asked Questions

Will this charger fast charge my iPhone?
Yes. The USB-C Power Delivery support can fast charge compatible iPhone models and can restore a phone to a significant percentage quickly.

Can I charge four devices at once?
Yes. The adapter has two USB-C and two USB-A ports so customers can charge up to four devices simultaneously, though total output is shared.

Is this safe for everyday use?
Yes. The charger includes a smart chip that helps prevent overcharging and overheating for safe routine charging.