Products & Services

TOPPER SUN is committed to providing solar energy products and services of high quality and to creating a clean and green world for all humankind.



Big Sun Group's Combo-Cell™ crystalline silicon cell utilizes special shallow junction and highly anti-reflective surface texturing processes so that the cell External Quantum Efficiency (EQE) can be effectively improved. In addition, by incorporating an optimal electrode layout, the average solar cell conversion efficiency for 6" Mono cells can reach 19.8% so far. And the output power of solar module with 60pcs of "Big Mono" can be reached 280 W. This unique know-how of "Combo-Cell™" technology can be used in mass production based on the current equipment sets. No additional investment in capital equipment is required. (>>click here for more information)