The 2 included attributes which make the Smartflower exceptional – tracking and self-cleaning – are only protected less than a 5-year guarantee. By comparison, other producers of dual-axis solar trackers supply 10-12 months warranties on their own products and solutions. 20kW to 29kW 30kW to 39kW 40kW to 49kW 50kW https://www.generactivekc.com