High quality solar lights provide between 11-14 hours of working time, compare to normally solar lighting working 7-10 hours. Why the difference? Many manufacturers compromise by using lower-capacity batteries to cut costs, resulting in reduced performance. . Expert Guide to Year-Round Performance Reading How Many Hours Do Solar Lights Work? Expert Performance Guide 9 minutes Next Why Your Solar Lights Have an On/Off Switch: 7 Essential Reasons Explained I've spent years testing solar lighting systems. The most common question I hear is always the same:. . Batteries: These store the energy generated during the day for use at night. LED Bulbs: Energy-efficient bulbs that provide illumination when powered by the stored energy. Light Sensor: Automatically turns the light on at dusk and off at dawn. However, understanding the factors that affect charging and how to extend lighting time can help you get the most out of your solar lights.