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
