5KW Rooftop Solar system connected to grid at Thalangama 5KW Rooftop Solar system connected to grid at Thalangama Koswattha, with Chinese panels & European inverter. Panels – JA 460W- Mono, China, 25 years Performance Warranty. Inverter – ABB, Italy, UNO 5.0 Inverter- 10 years Warranty View more projects