Battery-powered lights are portable lighting solutions that operate using batteries instead of being plugged into an electrical outlet. They come in various forms, including flashlights, LED lanterns, and string lights, making them versatile for different settings like camping, emergencies, or home decor. These lights are convenient because they can be used in areas without electricity, and many models are designed to be energy-efficient, providing bright illumination while conserving battery life. Some battery-powered lights even feature rechargeable batteries, allowing users to save money and reduce waste over time.