SST270-72M solar pv panel Practical module efficiency is up to 17.76% Accreditation CE, MCS, UL, CSA, ASU-PTL, TUV, ... ×W×H)Weight23.7kgMaximum surface load capacitytested up to 2,400 Pa according to IEC 61215Hailmaximum diameter of 25 mm with impact speed ... of 23 m·s-1Temperature range– 40 °C to + 85 °C ...