- Optimize Your Solar Harvest MAX 185-253KTL3-X HV is a high-performance solar inverter designed for maximum yields. With up to 15 MPPTs, it adapts to varying sunlight conditions and is compatible with high-power modules. Achieve optimal electricity cost with AI and Cu AC cable compatibility, and optional PLC communication. Prioritizing safety, it features Type II SPD on DC and AC sides, ensuring reliable operation. The IP66 protection degree adds durability, making it a secure and efficient choice for your solar energy system.