Self-powered

Adjective describing a device, system, or mechanism that generates its own energy or operates independently without needing an external power source. This technology is often utilized in various applications, notably in renewable energy systems, where the device harnesses energy from natural resources, such as solar or wind, to function autonomously, thereby enhancing efficiency and sustainability.

Self-powered meaning with examples

• The self-powered garden lights utilize solar panels to convert sunlight into energy during the day, allowing them to illuminate pathways and flower beds at night without relying on electricity from the grid, making them an eco-friendly choice for outdoor lighting.
• Innovative smartwatches are being developed as self-powered devices, which can recharge through kinetic energy generated by the wearer's movements, ensuring they remain functional without needing to be plugged into an outlet or charged with traditional batteries.
• The laboratory tested a new prototype for a self-powered water purification system, designed to harness energy from flowing water to operate filtration processes. This breakthrough could revolutionize access to clean drinking water in remote areas without reliable electricity.
• In urban infrastructure, self-powered traffic signals have begun integrating solar energy technologies, allowing them to operate independently without connection to power lines, thereby reducing installation costs and enhancing the resilience of traffic control systems in adverse weather conditions.