Solis S6-EH3P18K02-NV-YD-L 3-Phase Hybrid Inverter

The Solis S6-EH3P18K02-NV-YD-L is an advanced 3-phase hybrid inverter designed for seamless integration with low-voltage batteries (48V). With a rated output power of 18 kW and a maximum usable PV input of 28.8 kW, this system optimises self-consumption and energy independence. The inverter offers reliable backup functionality with a switchover time of <10ms for uninterrupted power supply. Suitable for professional installations requiring the highest levels of stability, scalability and efficiency. PV Capacity: Supports 28.8 kW maximum usable PV input (recommended array size: 36 kW) for optimal yield. Charge Power: Maximum charge/discharge current of 320 A (175 A per port) for rapid energy storage. Switchover Time: Backup power supply activates in <10ms during grid failure. Compatibility: Works seamlessly with Li-ion / Lead-acid battery systems at 40–60 V. Overload Capability: 200% overload for 10 seconds in off-grid mode for motor start-ups. Parallel Operation: Up to 6 inverters can be connected in parallel to expand system capacity. 18 kW Backup Power with <10ms Switchover – Solis S6 The Solis S6-EH3P18K02-NV-YD-L delivers a robust solution for complex energy systems. With 2 MPPT inputs and up to 4 PV strings, a maximum input current of 42A/42A and a maximum current per DC input of 21 A, the inverter is compatible with the most powerful solar panels on the market — including modules from Aiko and Trina Solar. The backup port delivers a rated power of 18 kW and supports peaks up to 2× rated power for 10 seconds. Per phase, the inverter delivers a maximum of 40% of rated power (7.2 kW per phase). The system features IP66 protection and is designed for an operating temperature range of -25°C to +60°C. The Intelligent Fan Cooling ensures quiet operation with a noise emission of <65 dB(A). Important: The inverter serial number (S/N) or nameplate is essential for registration on SolisCloud. The battery fuse may only be replaced by Solis-authorised personnel. Use approved DC cables of 4.0–6.0 mm² for installation. Full Technical Specifications – Solis 18kW Hybrid Inverter Specification Value Brand & Model Solis S6-EH3P18K02-NV-YD-L Rated Output Power 18,000 W (18 kW) Max. Usable PV Input Power 28.8 kW Recommended Max. PV Array Size 36 kW Max. Input Voltage (PV) 1000 V MPPT Voltage Range 200–850 V Max. Input Current (PV) 42 A / 42 A Max. Current per DC Input 21 A No. of MPPT / Max. Strings 2 / 4 Max. Charge/Discharge Current 320 A (175 A per port) Battery Type Li-ion / Lead-acid Battery Voltage Range 40–60 V Battery Communication CAN / RS485 Rated Grid Voltage 3/N/PE, 220V/380V; 230V/400V Rated Output Current 27.3 A (380V) / 26.1 A (400V) Max. Power per Phase 40% rated power (7.2 kW) Backup Switchover Time <10 ms Max. Overload (Backup) 200% rated power, 10 s Max. AC Passthrough Current 50 A Max. Efficiency 97.5% EU Efficiency 97.0% Dimensions (W×H×D) 430 × 660 × 305 mm Weight 42 kg Ingress Protection IP66 Noise Emission <65 dB(A) Cooling Intelligent fan-cooling Operating Temperature -25°C ~ +60°C Max. Operating Altitude 4000 m Topology Non-isolated (PV), Isolated (Battery) Display 7.0" LCD & Bluetooth + APP Communication WiFi + LAN + Bluetooth, CAN, RS485, DRM; Optional: 4G Safety Standards IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 Warranty 5 years (extendable to 20 years) Download Datasheet View Manual What is included in the Solis S6-EH3P18K02-NV-YD-L package? The package includes: Inverter ×1, Back plate ×1, Fastening screw ×2, Expansion Bolt ×4, DC connectors ×3 or ×4 (depending on the number of strings), Parallel cable ×1, Meter cable ×1, Eastron Meter ×1, CT ×3, S2-WL-ST Stick ×1, RJ45 connector ×6, Bluetooth Antenna ×1 and Quick Installation Manual ×1. Please verify all items upon receipt. Contact your local Solis distributor if anything is missing. Which batteries and inverters are compatible with the Solis S6-EH3P18K02-NV-YD-L? The inverter is designed for Li-ion and Lead-acid batteries within a voltage range of 40–60 V. Compatible battery brands (per the official Solis Battery Matching List) include: Pylontech and Dyness. For parallel systems (up to 6 units), only identical models may be combined. Always consult the latest compatibility list on the Solis product page for the most recently approved batteries. What should I consider for installation and safety? The Solis S6-EH3P18K02-NV-YD-L carries IP66 protection and is suitable for indoor and outdoor installations, provided it is shielded from direct sunlight. Mount the inverter vertically on a non-flammable surface with a load-bearing capacity of at least 4× the device weight (42 kg). Maintain a minimum clearance of 300 mm on all sides and 700 mm between multiple inverters. Installation must be carried out exclusively by a certified electrician. Use DC cables of 4.0–6.0 mm² and AC cables of 6–10 mm². The system is expandable to up to 6 parallel units for larger projects. Is this inverter Battery-Ready and does it work with SolisCloud? Yes. The Solis S6-EH3P18K02-NV-YD-L is fully Battery-Ready and supports both CAN and RS485 BMS communication for direct integration with approved lithium batteries. Via the built-in WiFi + LAN + Bluetooth connection, the inverter links effortlessly to the SolisCloud platform for real-time monitoring, AI optimisation and remote troubleshooting. The inverter supports Time-of-Use (TOU) settings, allowing you to charge during off-peak hours and discharge during peak hours — ideal for maximising your returns in a Time-of-Use energy tariff environment. Explore the full range on our Solis inverters page.