LightPortal Indoor Solar Lighting System Light up a room anywhere: homes, cabins, lodges, RVs, boats, etc. Totally off-grid indoor solar lighting. With optimum placement of solar panel, light can be used for 11+ hours a day (low mode), or 5 hours a day (high mode), and be fully recharged the next day. Emergency use for up to 48 hours (completely drain battery). Adds nothing to your power bill. Unaffected by power outages. Electrician-free: 12V direct-current system is simple and safe enough to install yourself. Generally installs in under 2 hours with basic tools. Includes 20 Watt solar panel, charge controller, 12 Volt 9 amp-hour battery, super bright LED light fixture, detailed step by step installation instructions, and all required mounting hardware.