This kind of wind turbine is beautiful in appearance, especially suitable for landscape use. Wind turbine controller default lead-acid battery or colloid battery charging. Please provide additional instructions if charging lithium battery. Wind turbines can be mixed with solar panels to complement each other. The wind generator is connected to the wind generator controller, and the solar panel is connected to the solar panel controller. The battery can be charged at the same time. This wind turbine does not contain pillars. If you need pillars, please contact us or remark!