The Supertiny 100W GaN Charger: World's Smallest Surpasses $500K on Kickstarter

Campaign Status and Backer Confidence

Despite the product not yet shipping, backers express strong confidence in the development team's ability to deliver on schedule. This trust stems from the team's established reputation in the crowdfunding community, having successfully launched and fulfilled 10 previous projects. Community interactions reveal widespread appreciation for The Supertiny 100W's ability to address the common pain point of bulky travel chargers, particularly its streamlined design for various international plugs, which perfectly suits the practical needs of global travelers.

Core Product Selling Points

Challenging physical limits, The Supertiny achieves an unprecedentedly micro size while delivering a robust 100W output. Thanks to cutting-edge GaN chip technology, the charger's overall volume has been dramatically reduced. It not only fits effortlessly into any pocket or small compartment but also allows users to completely shed the heavy burden of traditional, brick-like laptop chargers.

This charger breaks down the charging barriers between different electronic devices. With its powerful USB-C port output, it provides full-speed fast charging for high-power ultrabooks like MacBooks, while also intelligently supporting smartphones, tablets, wireless headphones, smartwatches, and even some USB-C compatible electric bicycles. It truly offers a 'one charger for all' solution.

Addressing the common challenge of cross-region charging for international travelers, The Supertiny offers highly customized plug adapter solutions. Initial versions include dedicated US (with foldable prongs), EU, and UK variants. Whether traveling across Europe or North America, users can select the most streamlined plug form factor for their destination, eliminating the need for cumbersome universal adapters.

About Rolling Square

Rolling Square is an innovative 3C accessories brand founded in 2015 by brothers Lorenzo and Carlo Ferraris, with headquarters in Chiasso and Lugano, Switzerland. The brand follows a distinctive 'anti-VC' geek-centric path, having never accepted traditional institutional equity financing. Instead, it relies heavily on crowdfunding platforms like Kickstarter and Indiegogo for community co-creation and product launches. To date, Rolling Square has successfully run 11 crowdfunding projects, delivering products to over 200,000 backers worldwide. This approach has cultivated strong brand loyalty and a mature international supply chain capability in the high-end, minimalist tech accessories sector.

Market Analysis

The proliferation of smart devices and increasing battery capacities have led to an explosive global demand for efficient, portable charging solutions. According to the latest market data from Precedence Research, the global gallium nitride (GaN) charger market was valued at approximately $1.06 billion in 2024, projected to reach $1.32 billion in 2025, and is expected to surge to about $9.75 billion by 2034, demonstrating a robust compound annual growth rate (CAGR) of 24.84%.

The current GaN fast charger market is intensely competitive and shows a clear polarization. On one end are traditional 3C giants like Anker and UGREEN, dominating mainstream shipments through their extensive channel reach and economies of scale. On the other end are innovative, 'geek-centric' brands such as Shargeek, AOHi, and Rolling Square, which capture high-value niche audiences through extreme industrial design, cyberpunk transparent aesthetics, or ultra-miniaturization. The Supertiny has successfully penetrated the high-end business and digital nomad segments—audiences less sensitive to price but with a strong preference for portability and organized daily carry—by pushing the boundaries of portability to an industry extreme. As GaN technology matures and wafer manufacturing costs gradually decrease, the physical combination of extreme miniaturization and high-power output has become an irreversible industry trend. High-end GaN chargers emphasizing ultimate portability and multi-device smart compatibility are poised to be one of the strongest high-growth categories in the digital accessories market over the next few years.