Modern laptops are far more powerful than they used to be, featuring faster processors and larger batteries that support demanding workloads. With this increased performance comes the need for more reliable and efficient charging. This is where having a GaN charger comes in handy. Unlike traditional chargers that use silicon in their internal circuitry, GaN chargers use Gallium Nitride (GaN), which conducts electricity faster and more efficiently than silicon. As a result, GaN chargers can handle higher power levels and charge devices more quickly without overheating, making them a better option for charging laptops with high wattage requirements. For a GaN charger that’s portable and delivers reliable fast charging, check out the Rolling Square Supertiny.
The Rolling Square Supertiny is an ultra-compact wall charger that features a ribbed design, which enhances airflow and heat dissipation, a foldable US plug, and a USB-C output. It’s powered by GaN technology, delivering up to 65W GaN fast charging for laptops, tablets, smartphones, and other USB-C powered devices.
Designed for efficiency, portability, and safety in mind, this GaN wall charger provides you with laptop-level charging wherever you go.
Here’s our review of the Rolling Square Supertiny, where we talk more about its design, standout features, and pricing.
DESIGN
Starting with the charger’s size, this GaN wall charger has an ultra-compact form factor. It measures just 1.7 inches long by 1.37 inches wide by 1.37 inches tall (44.3 mm x 35 x 35mm), making it 71% smaller than Apple’s standard laptop chargers. The charger is also rather lightweight, weighing only 2.47 oz. (70.02 g).

Rolling Square Supertiny – Ultra-Compact form factor
Its pocket-sized dimensions provide a sleek fit to any wall outlet or power strip without taking up much space, making it perfect for everyday carry.
The Rolling Square Supertiny also sports a modern aesthetic, giving it a professional look. Its body comes in a Dark Gray color with solid Black accents at the ends.

Modern aesthetic
Furthermore, this GaN charger also features a custom ribbed design, which enhances airflow and heat dissipation, keeping its surface up to 50ºF (10ºC) cooler during charging compared to standard chargers. Its ribbed surface also provides a better grip.

Features a ribbed design with a fireproof shell
The charger also packs a premium construction, meaning its built to last. Its body integrates a fireproof shell made with a V-0 fire-rated polymer material that gives it self-extinguishing proprieties. Its outer shell also has a metal-like coating finish that makes it scratch-resistant.
POWER SPECS, CONNECTIVITY & COMPATIBILITY
When it comes to its power specifications, the Rolling Square Supertiny uses GaN (Gallium Nitride) technology, which makes it capable of delivering reliable fast charging with higher power output efficiency and better thermal performance than traditional silicon chargers, all in a smaller-sized device.
The charger can deliver up to 65 Watts GaN fast charging of output power for fast and efficient charging of smartphones, tablets, laptops, and other USB-C powered devices.

Delivers up to 65 Watts GaN fast charging powered by GaN technology
For its connectivity, the charger comes equipped with foldable US plug at the front that slides out and rotates upright, making it easy to plug in. Its US plug makes it usable in over 45 countries where US outlets are used, including the US, Canada, Mexico, Japan, South Korea, etc. (also available with other plugs).
The charger supports 100–240V of power input.

Equipped with a foldable US plug and a USB-C output
The back side of the charger features a USB-C output, giving it universal compatibility with most USB-C enabled devices.
PRICING & AVAILABILITY
The Rolling Square Supertiny is available with three different plug choices: US plug, UK Plug, and EU plug.

Available with US, UK, and EU plugs
If you’re interested in purchasing it, know each unit is priced at $49.99.
You can buy it on Amazon via the link below.
Last update on 2026-09-29 / Affiliate links / Images from Amazon Product Advertising API



