Which models support TOU function?

Currently X1-IES, X3-IES, X1-hybird-G4, X3-hybird-G4, A1-Hybrid-G2, X3 ULTRA and firmware need to be upgraded to the latest version

More about TOU, please refer to: https://kb.solaxpower.com/solution/detail/2c9fa4148ceddee5018e358c915a1736