The Lion Summit provides portable power that is safe, silent and renewable. No emissions, no carbon footprint during use, emits no greenhouse gases and causes no damage to the environment. It's even safe to use indoors. Unlike other generators, it has silent power and no need for long extension cords or being tethered to the wall. Creates clean, limitless, renewable energy sources to power your life. Designed for recharge through traditional AC power or renewable sources such as, solar, wind and water.