60 cells standard size poly blue solar panels 260w270w280w290w all good quality used for off-gird & on-grid for residential or commercial usage on roof or ground solar power system.

QUALITY VALUE
■ Best raw materials, optimized production process.
■ Accurate EL tested and micro cracks inspected.
■ Product warranty of 12 years and performance warranty of 25 years.
■ High ammonia & salt mist resistant certified, and PID-free.
■ Capable to bear heavy snow loads up to 5400Pa and winf loads up to 2400Pa.
■ Special design in accordance with requirements of customers.

*Standard test conditions:measured values(atmosphiric mass AM.5, irradiance 1000W/m2, battery temperature 25℃)

Amso Solar Top-class Warranty for Standardized Solar Panels:

1: First year 97% power output.

2: Five years 90%  power output.

3: 25 years 80% power output.

4: 12 years product warranty.

Benefits:
1: standard size solar panels all come from standard production lines, which carry out standard production processes and quality control requirements.
2: standard size 60-72 cells solar panels have mature production techniques, market share and application filed.
3: the dimensions, the size of the solar cells, and the components of standard 60-72 cells solar panels could be highly similar among manufactures. Most manufacturers apply the same standards regard to the materials or techniques.