Solis S6-EH1P(12-18)K03-NV-YD-L 12-18kw Single Phase Hybrid Solar Inverter

  • Category: Solis Hybrid Inverter
  • Features
  • The Solis S6-EH1P(12-18)K03-NV-YD-L is a high-performance single-phase low-voltage hybrid inverter designed for flexible residential energy storage. Supporting 40–60V batteries, up to 6 units in parallel, and advanced PV integration with 160% DC oversizing capability, it delivers efficient solar utilization and scalable energy solutions. With seamless <10ms backup switching, smart load management, generator compatibility, and SolisCloud intelligent monitoring, it ensures reliable power supply, enhanced energy independence, and optimized home energy management in both on-grid and off-grid applications.

Product Description

S6-EH1P(12-18)K03-NV-YD-L

The Solis S6-EH1P(12-18)K03-NV-YD-L is a powerful single-phase low-voltage hybrid inverter designed for advanced residential energy storage applications. Supporting 40–60V battery systems, it delivers flexible compatibility with various lithium and lead-acid battery brands while ensuring reliable energy management. Equipped with three independent MPPTs with up to 20A input current capacity per MPPT, the inverter maximizes solar energy harvesting and adapts to diverse rooftop configurations.

Built for both on-grid and off-grid scenarios, the S6-EH1P(12-18)K03-NV-YD-L supports generator integration, AC coupling with existing grid-tied inverters, parallel operation, and intelligent load management. With its scalable design, robust performance, and smart energy control capabilities, it provides an efficient and reliable solution for homeowners seeking greater energy independence and backup power flexibility.

key Features

Flexible Battery Compatibility

Supports a wide range of lithium and lead-acid batteries with a 40–60V battery voltage range, providing greater flexibility for residential energy storage configurations.

Scalable Parallel Operation

Supports up to 6 units operating in parallel, allowing system capacity expansion to meet increasing energy demands.

Reliable Performance in Harsh Environments

Designed with IP66 protection, ensuring stable operation even in challenging outdoor conditions.

Customizable Backup Power Management

Allows users to set preferred battery backup levels, ensuring continuous power supply for essential loads during outages.

PV-Only Off-Grid Capability

Supports direct PV power operation without batteries, reducing initial system investment while maintaining energy independence.

Smart Load Management

Intelligent load control prioritizes critical appliances, extending backup duration and improving energy utilization.

Advanced PV Integration

Supports existing grid-tied PV inverter connections for export control and off-grid applications, while allowing up to 160% PV oversizing and 20A PV input current per MPPT for compatibility with high-power solar modules.

Fast Seamless Backup Switching

Achieves on-grid/off-grid switching in less than 10ms, providing uninterrupted power for sensitive household appliances.

Flexible Generator Integration

Supports multiple generator connection methods with automatic control functions, enabling adaptable backup solutions for different applications.

User-Friendly Touchscreen Interface

Equipped with a 7-inch industrial-grade touchscreen for intuitive local monitoring, configuration, and operation.

Smart Energy Management via SolisCloud

Enables remote monitoring, intelligent energy optimization, and rapid troubleshooting through the SolisCloud platform.

High Backup Output Capability

Delivers up to 200% overload capacity for 10 seconds in off-grid mode, ensuring reliable startup of high-power loads such as motors, water pumps, and air conditioners.

Technical Specifications


12K14K16K18K
Models12K14K16K18K
Input DC (PV side)
Recommended max. PV array size24 kW28 kW32 kW36 kW
Max. usable PV input power19.2 kW22.4 kW25.6 kW28.8 kW
Max. input voltage550 V550 V550 V550 V
Rated voltage380 V380 V380 V380 V
Start-up voltage100 V100 V100 V100 V
MPPT voltage range80 - 520 V80 - 520 V80 - 520 V80 - 520 V
Max. input current40 A / 40 A / 40 A40 A / 40 A / 40 A40 A / 40 A / 40 A42 A / 42 A / 42 A
Max. short circuit current50 A / 50 A / 50 A50 A / 50 A / 50 A50 A / 50 A / 50 A50 A / 50 A / 50 A
MPPT number / Max. input strings number3 / 63 / 63 / 63 / 6
Battery
Battery typeLi-ion / Lead-acidLi-ion / Lead-acidLi-ion / Lead-acidLi-ion / Lead-acid
Battery voltage range40 - 60 V40 - 60 V40 - 60 V40 - 60 V
Max.charge / discharge current250 A290 A290 A320 A
CommunicationCAN / RS485CAN / RS485CAN / RS485CAN / RS485
Output AC (Grid side)
Rated output power12 kW14 kW16 kW18 kW
Operation phaseL/N/PEL/N/PEL/N/PEL/N/PE
Rated grid voltage220 V / 230 V220 V / 230 V220 V / 230 V220 V / 230 V
Rated grid frequency50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz
Rated grid output current54.5 A / 52.2 A63.6 A / 60.9 A72.7 A / 69.6 A81.8 A / 78.2 A
Power factor>0.99 (0.8 leading - 0.8 lagging)>0.99 (0.8 leading - 0.8 lagging)>0.99 (0.8 leading - 0.8 lagging)>0.99 (0.8 leading - 0.8 lagging)
THDI< 3%< 3%< 3%< 3%
Input AC (Grid side)
Input voltage range187 - 253 V187 - 253 V187 - 253 V187 - 253 V
Max. input current81.8 A / 78.3 A95.5 A / 91.3 A109.1 A / 104.3 A122.7 A / 117.4 A
Frequency range45 - 55 Hz / 55 - 65 Hz45 - 55 Hz / 55 - 65 Hz45 - 55 Hz / 55 - 65 Hz45 - 55 Hz / 55 - 65 Hz
Output AC (Back-up)
Rated output power12 kW14 kW16 kW18 kW
Max. apparent output power2 times of rated power,10 s2 times of rated power,10 s2 times of rated power,10 s2 times of rated power,10 s
Back-up switch time< 10 ms< 10 ms< 10 ms< 10 ms
Rated output voltageL/N/PE,220 V / 230 VL/N/PE,220 V / 230 VL/N/PE,220 V / 230 VL/N/PE,220 V / 230 V
Rated frequency50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz
Rated output current54.5 A / 52.2 A63.6 A / 60.9 A72.7 A / 69.6 A81.8 A / 78.2 A
THDV(@linear load)< 3%< 3%< 3%< 3%
Input Generator
Max. input power12 kW14 kW16 kW18 kW
Max. input current54.5 A / 52.2 A63.6 A / 60.9 A72.7 A / 69.6 A81.8 A / 78.2 A
Rated input frequency50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz50 Hz / 60 Hz
Efficiency
Max. efficiency97.6%97.6%97.6%97.6%
EU efficiency97.0%97.0%97.0%97.0%
BAT charged by PV max. efficiency>94.9%>94.9%>94.9%>94.9%
BAT charged / discharged to AC max. efficiency>94.33% / 93.51%>94.33% / 93.51%>94.33% / 93.51%>94.33% / 93.51%
Protection
Surge protectionYesYesYesYes
DC reverse-polarity protectionYes (PV only)Yes (PV only)Yes (PV only)Yes (PV only)
Ground fault monitoringYesYesYesYes
Integrated AFCIOptionalOptionalOptionalOptional
Protection class / Over voltage categoryI / II (PV and BAT), III (MAINS and BACKUP and GEN)I / II (PV and BAT), III (MAINS and BACKUP and GEN)I / II (PV and BAT), III (MAINS and BACKUP and GEN)I / II (PV and BAT), III (MAINS and BACKUP and GEN)
General Data
Dimensions (W × H × D)459 × 845 × 313 mm459 × 845 × 313 mm459 × 845 × 313 mm459 × 845 × 313 mm
Weight55.5 kg55.5 kg55.5 kg55.5 kg
TopologyTransformerlessTransformerlessTransformerlessTransformerless
Operating ambient temperature range-25 ~ +60℃-25 ~ +60℃-25 ~ +60℃-25 ~ +60℃
Relative humidity0 - 100%0 - 100%0 - 100%0 - 100%
Ingress protectionIP66IP66IP66IP66
Noise emission (typical)< 65 dB(A)< 65 dB(A)< 65 dB(A)< 65 dB(A)
Cooling conceptIntelligent fan-coolingIntelligent fan-coolingIntelligent fan-coolingIntelligent fan-cooling
Max. operation altitude4000 m4000 m4000 m4000 m
Grid connection standardNRS 097-2-1,IEC 62116,IEC 61727,IEC 60068,IEC 61683,EN 50530,EN50549-1NRS 097-2-1,IEC 62116,IEC 61727,IEC 60068,IEC 61683,EN 50530,EN50549-1NRS 097-2-1,IEC 62116,IEC 61727,IEC 60068,IEC 61683,EN 50530,EN50549-1NRS 097-2-1,IEC 62116,IEC 61727,IEC 60068,IEC 61683,EN 50530,EN50549-1
Safety / EMC standardIEC/EN 62109-1/-2,EN 61000-6-2/-3IEC/EN 62109-1/-2,EN 61000-6-2/-3IEC/EN 62109-1/-2,EN 61000-6-2/-3IEC/EN 62109-1/-2,EN 61000-6-2/-3
Features
DC connectionMC4 plug (PV port) / Terminal Block (BAT port)MC4 plug (PV port) / Terminal Block (BAT port)MC4 plug (PV port) / Terminal Block (BAT port)MC4 plug (PV port) / Terminal Block (BAT port)
AC connectionTerminal BlockTerminal BlockTerminal BlockTerminal Block
Display7.0" LCD display & Bluetooth + APP7.0" LCD display & Bluetooth + APP7.0" LCD display & Bluetooth + APP7.0" LCD display & Bluetooth + APP
CommunicationRS485, Optional: Cellular, Wi-Fi, LANRS485, Optional: Cellular, Wi-Fi, LANRS485, Optional: Cellular, Wi-Fi, LANRS485, Optional: Cellular, Wi-Fi, LAN