Longi FAQs
Most frequently asked questions and answers
Longi’s panel product warranty is 12 years. Longi’s performance warranty states 98% nominal power for the first year and will decline by no more than 0.51% per year with an output of 84.8% at 25 years.
Longi have manufacturing facility’s in China, Vietnam and Malaysia.
Yes, Longi Panels are Tier 1 panels.