Solar flashlights are portable lighting devices that use solar panels to convert sunlight into electricity. This stored energy powers LED bulbs, providing bright light without the need for batteries or electricity. They are eco-friendly and ideal for outdoor activities like camping or hiking. These flashlights often come with features such as rechargeable batteries and multiple brightness settings. Some models even include a hand-crank option for additional charging. Solar flashlights are a sustainable choice for emergency kits, as they can be charged during the day and used at night, ensuring reliable illumination when needed.