Absolute maximum input voltage. 80V, fast optimizer detection, module-accurate arc detection, physical view of the system in less than 5 seconds, compatible with: SUN2000-2/3/3.68/4/4.6/5/6KTL-L1, SUN2000-3/4/5/6/8/10KTL-M1, SUN2000-12/15/17/20KTL-M2