Systellar is currently making the most advance and compact solar LED street light card in India. Our SSL card is powered with powerful STM8 microprocessor and a single microprocessor controls LED driver as well as solar charge controller. Product features include: Solar LED street light driver with built-in charge controller Product range: 9W to 45W Charge controller rating: – For 9W to 15W Solar street light – 12V 5A – For 18W to 45W Solar street light – 12V 8A