，60词左右，不能用英语翻译 Solar Lamps are a genius invention of renewable energy. It relies on solar energy to save money and protect environment. Solar Lamps don't require any electricity, they work through sunshine. It has multiple parts, such as solar panel, light source, battery. The solar panel collects energy to charge the battery during the day. Then at night, it illuminates through battery's power. The brightness depends on how well the panel performed and how large the battery is. Solar Lamps are an Eco- friendly choice since it doesn't produce any pollutant. They are easy and cost effective to maintain, But its brightness and lasting time also depend on weather. Solar Lamps are of great help for poor areas where electricity is difficult to access.