1) Power range: from 5WP to 280WP 2) Mono crystalline or Poly crystalline 3) Packing method: carton or case 4) Quality: first grade and good efficiency of cell, glass used toughened glass 5) life Warranty: 25 years 6) Tolerance: +/-3%, solar cell's efficiency can get to above 15% 7) Approvals: CE , http://www.anprogroup.com 8) Regarding to measure, we can according to your demands to produce 9) Certification: TUV