Fuelless Generator, Designed and developed a prototype of a fuelless generator that uses renewable energy, such as solar or wind, with a battery backup. Applied power electronics and circuit design to efficiently convert and manage the power. DC to DC Boost Converter, Designed a DC-DC boost converter to step up voltage levels for low power applications. Employed PWM and feedback control to maintain stable output voltage. AC Powerbank, Designed an AC power bank that could charge up using stored energy from AC sources. Integrated energy storage, power conversion, and safety features in a compact unit for efficient charging and long-lasting performance.