Ligna Energy, a Swedish startup, is pioneering a new energy solution with its S-Power supercapacitors, which utilize lignin, a natural polymer derived from forests, instead of conventional battery materials like lithium and cobalt. This innovative technology addresses the growing demand for batteries in Internet of Things (IoT) devices, which often operate intermittently and can harvest energy from their environment. The S-Power 2S model boasts a capacitance of 1.2F, a 2.7V operating voltage, and can withstand over 250,000 charge cycles, making it suitable for long-term use without the need for frequent battery replacements. Ligna's supercapacitors are designed to charge rapidly and fit into compact devices, which could significantly reduce maintenance costs associated with battery changes. The company targets an operational lifespan of 8-10 years for these supercapacitors, with the potential for further longevity through energy harvesting from light, vibrations, and temperature differences. This shift towards sustainable energy storage solutions could revolutionize the way IoT devices are powered, leading to a more environmentally friendly future.