... CE , 1kw solar panel,1kw solar panels290w Poly sun power Solar Panel for home roof,290w poly solar panel ... 5 years product warranty 10years 90% of power output25years 80% of power outputElectrical Characteristics ModelSGP-290W-36VModule size (mm):992X1956X50Cell ... Type156X156/6X12Weight(kg)23Power tolerance:+/-3%Nominal peak power(WP):290Nominal voltage(V):36.5Nominal current (A):7 ...