The EG4 280Ah Indoor Buildable Conduit Box guards cables and connections between your battery and inverter, for added safety and protection against accidental damage. The conduit box is designed to pair the EG4 WallMount Indoor 280Ah Lithium Battery with EG4 FlexBOSS21, 18kPV, 12kPV, 6000XP, or 12000XP (requires a modified top plate) inverters, ensuring a seamless fit for your energy storage system. The unit is equipped with side knockouts for battery-to-battery cable runs between paralleled batteries.