TRYFAN is an innovative portable device designed with sustainability at its core, specifically catering to outdoor enthusiasts who venture off-grid. This wind-powered turbine harnesses renewable energy by utilising a Savonius turbine to capture wind and convert it into electricity, which is stored in a high-capacity 12,000 mAh battery. Equipped with a bespoke Maximum Power Point Tracking (MPPT) PCB, TRYFAN maximises charging efficiency, ensuring consistent and reliable power, even in remote environments. Crafted from durable, injection-molded ABS, TRYFAN is designed to withstand the rigors of outdoor use while maintaining a lightweight and compact form. Its waterproof design, complete with protected USB-C ports, guarantees performance in various weather conditions. The device’s hinged turbine allows it to fold neatly, fitting easily into hiking or climbing gear. Versatile mounting bases ensure stability in different terrains, from windy mountaintops to dense forests. A key aspect of TRYFAN’s sustainable design is its focus on longevity and repairability. The product’s modular construction allows for easy fixes and simple replacement of broken parts, significantly extending its lifespan and reducing waste. Additionally, when TRYFAN reaches the end of its life, it is designed for straightforward disassembly, making recycling its components easier and more efficient. From a green perspective, TRYFAN provides a practical and eco-friendly solution for adventurers, reducing the need for disposable batteries or multiple heavy power banks. By integrating renewable energy, repairability, and recyclability, TRYFAN offers a truly sustainable way to stay powered in nature’s most remote locations.