Solis S6-EH1P6K-L-PLUS Single-Phase Hybrid Inverter (6kW)

Product Overview: The Solis S6-EH1P6K-L-PLUS is an elite 6kW single-phase residential hybrid inverter from the acclaimed S6 Platform, precision-engineered to maximize home energy independence and lock in long-term ROI. Optimally designed to integrate with mainstream low-voltage (48V/51.2V) lithium battery configurations, this 6kW smart core seamlessly balances solar generation, household loads, and energy storage. It features an integrated UPS-level seamless backup switch (<10ms) to secure uninterrupted power protection for critical home appliances and networks during unexpected grid outages. Driven by an advanced dual-MPPT configuration supporting high string current compatibility for modern ultra-high-efficiency N-type TOPCon, HJT, and BC panels, combined with its quiet smart cooling architecture, it delivers exceptional system reliability, maximum self-consumption, and complete global grid compliance.

PV Input (DC Side)

Features a high input current capacity to seamlessly accommodate large-format, high-power solar panels.

• Recommended Max. PV Power: 12 kW (Allows for generous 200% DC overloading)

• Max. Input Power: 9.6 kW

• Max. Input Voltage: 500 V

• Rated Voltage: 330 V

• Start-up Voltage: 90 V

• MPPT Voltage Range: 90 V ~ 435 V

• No. of MPPT Trackers / Max. Strings per MPPT: 2 / 1

• Max. Input Current ($I_{max}$): 16 A / 16 A (Fully compatible with 182mm/210mm high-current ultra-high-power modules)

• Max. Short Circuit Current ($I_{sc}$): 20 A / 20 A

 Battery Interface

• Battery Type: Lithium-ion / Lead-acid

• Battery Voltage Range: 40 V ~ 60 V (Safe low-voltage battery architecture)

• Max. Charge/Discharge Power: 6 kW

• Max. Charge/Discharge Current: 135 A

• BMS Communication: CAN / RS485

 AC Output/Input (Grid-Tied)

 AC Output (Back-up / UPS Mode)

• Back-up Rated Output Power: 6 kW

• Max. Back-up Apparent Power: 6 kVA

• Peak Apparent Power: 12 kVA (10 Seconds duration) (Excellent capability for high-surge inductive loads)

• Automatic Switchover Time: < 4 ms (UPS-level seamless transfer to protect critical network/computer loads)

• Nominal Output Voltage: 220 V / 230 V (± 2%)

• Nominal Output Frequency: 50 Hz / 60 Hz (± 0.2%)

• Rated Output Current: 27.3 A / 26.1 A

 Efficiency & Safety Protection

• Max. Efficiency: 96.2%

• European Efficiency: 96.1%

• Max. Battery Charge Efficiency (via PV/AC): 95.3% / 93.9%

• Max. Battery Discharge Efficiency: 93.8%

• Integrated Safety Features: DC Reverse Polarity Protection, Anti-islanding Protection, Output Overcurrent/Short Circuit Protection, Output Overvoltage Protection, Integrated DC Switch, Ground Fault Monitoring, and Residual Current Protection.

• Optional Feature: Integrated AFCI 2.0 (DC Arc Fault Circuit Interrupter) to significantly minimize fire risks.

General & Mechanical Specifications

• Dimensions (W × H × D): 335 × 560 × 227 mm (335 × 560 × 253 mm with specific wiring box configurations)

• Net Weight: 21.6 kg ~ 23 kg

• Cooling: Natural convection (Fanless, quiet design for long-term reliability)

• Ingress Protection Rating: IP66 (High-grade dustproof and waterproof build rating, fully optimized for outdoor installations)

• Topology: Isolation on the battery side

• Operating Temperature Range: -40°C to +60°C (Derating applies above 45°C)

• User Interface & Communication: 7.0-inch large LCD display + Bluetooth/App setup; standard/optional Wi-Fi, LAN, GPRS, CAN, and RS485.

• 🔋 Cost-Effective Low-Voltage Battery Synergy

  • Mainstream 48V/51.2V Compatibility: Seamlessly couples with market-leading low-voltage lithium battery banks (e.g., standard 10kWh-15kWh LiFePO4 packs), providing flexible modular options and a lower initial investment cost for homeowners.

  • High Charge/Discharge Capability: Supports large battery charging and discharging current up to 135A (model optimized), accelerating energy storage efficiency and heavy-load backup fulfillment during peak hours.

• ⚡ Heavy-Duty PV Input & UPS-Level Backup

  • High String Current Ready (16A/16A): Dual independent MPPT trackers effortlessly handle high-current inputs from modern large-format N-type TOPCon, HJT, or BC global panels (up to 600W+ modules).

  • UPS-Level Seamless Switch (<10ms): Automatically bridges power to the backup loads within 10 milliseconds during a grid blackout, protecting delicate weak-current electronics and home offices from rebooting.

• 🛡️ Advanced Structural Shield & Smart Ecosystem

  • Integrated Intelligent AFCI Arc Protection: Actively monitors and mitigates dangerous DC arc faults on the roof, extinguishing fire hazards at the source and safeguarding architectural assets.

  • SolisCloud Digital Management: Supported by smart communication plug-ins (WiFi/LAN) for 24/7 remote monitoring, instant diagnostic alerts, and over-the-air (OTA) firmware optimization via phone or PC.