Dock Edge 96306F Starlite Solar Capacitor w/6 LED’s, Charcoal Grey, Model 108

These advanced solar lights are built for 10,000 on/off cycles to provide a long and useful life. A capacitor stores solar energy and recharges the battery if needed. On days with insufficient sunlight for charging the battery, the capacitor re-energizes the battery so you don’t go without light. Visible up to 1/2 mile. 5-Year warranty.