The SolaX X3-Matebox G2 is a pre-installed modular device that integrates switches and a bi-directional electricity meter. This provides centralized power management for the home. Matebox cannot be installed in the case of parallel solution. SolaX X3-Matebox G2 can be used with SolaX X3-IES, X3-Hybrid G4 PRO and X3-Hybrid G4-D hybrid inverters.