Last Updated on 18/11/2025 by Kevin Kavulic

The Solis S6-EH1P(3-10)K-L-PLUS is a high-performance, single-phase low voltage hybrid inverter from Solis, designed for residential energy storage systems. It supports battery voltages of 40–60 V and can integrate seamlessly into both on-grid and off-grid installations.

Key Features

Dual MPPTs: Two integrated maximum power point trackers, each with a current capacity up to 21 A, giving you flexibility with panel layouts.

High PV Input Ratio: Supports PV input up to 160% of the inverter’s nominal DC power, helping maximize solar utilization.

Fast Switch to Backup: Seamless on/off-grid switching in under 10 ms, ensuring uninterrupted power.

Overload Capability: Delivers 200% overload for 10 seconds in off-grid mode — perfect for starting motors, pumps, or air conditioners.

Smart Load Management: Lets you prioritize critical loads and extend your battery backup time.

Parallel Operation: Supports up to 6 inverters in parallel to expand your system capacity.

Flexible Battery Compatibility: Works with a variety of lithium and lead-acid battery brands in the 40–60 V range.

Generator Support: Built-in compatibility for generators, allowing automatic or controlled generator use during extended outages.

Robust Design: IP66 protection rating makes it suitable for harsh environmental conditions.

User Interface: Comes with a 7-inch industrial-grade touchscreen, plus Bluetooth + app connectivity for easy local setup and control.

Smart Energy Management: Uses AI to manage charging and discharging based on Time-Of-Use (TOU) tariffs.

VPP & EMS Ready: Integrates seamlessly with Virtual Power Plants (VPPs) and Energy Management Systems (EMS) for advanced optimization.

Key Features

⚡ High Solar Yield

  • Dual 21A MPPTs for diverse PV layouts

  • Up to 160% PV oversizing

  • Max efficiency up to 96.2%

🔋 Advanced Energy Storage Capabilities

  • Compatible with major 40–60V lithium and lead-acid batteries

  • AI-driven smart charging based on time-of-use tariffs

  • Supports Smart Load & Peak Shaving functions

🔌 Strong Backup Power

  • <10 ms on/off-grid switching

  • 200% off-grid overload for 10 seconds — perfect for motor loads

  • Optional generator input for extended backup

  • 📱 Easy Control & Monitoring

  • 7-inch industrial-grade touchscreen

  • Bluetooth app setup

  • Optional WiFi / LAN / GPRS for SolisCloud monitoring

🏠 Scalable for Any Home

  • Power ratings from 3 kW to 10 kW

  • Up to 6 inverters in parallel

  • Suitable for new installations or retrofit upgrades

🛡 Built for Harsh Conditions

  • IP66 outdoor-rated enclosure

  • Robust anti-islanding, AFCI 2.0 (optional), surge and over-voltage protection

  • Operating temperature: –40°C to +60°C