West Marine Solar Hybrid Flashlight. The Hybrid Solar Lite has a photo-voltaicsolar panel that captures both sunlightand room light, converting it directly to electrical energy poweringthe Hybrid Solar Lite's 1 watt LED bulb. With an eight hours charge, the Hybrid SolarLite can provide up to 16 hours of super bright light. Since the Hybrid Solar Lite is not reliant onbatteries, it can be charged over and over again without ever having to purchase another battery.Lithium backup battery provides up to 50 hours of operating time to ensure that you will never runout of light. It floats and is waterproof up to 80' deep.