Solis 18KW Single Phase LV Hybrid Inverter
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S6-EH1P(9.9-18)K03-NV-YD-L single-phase hybrid inverter with low battery voltage(40-60V). This advanced inverter series have 3 integrated MPPTs and each MPPT current capacity of up to 20A, and suitable for a variety of brands' lithium and lead-acid batteries.
Designed for both on and off-grid applications, the S6-EH1P(9.9-18)K03-NV-YD-L series have a wealth of features, including compatible generators, grid-tied inverters, parallel operation, smart load management and etc.—making a scalable solution for residential energy storage.
Leading Features:
- Supports PV input up to 160% of the inverter's rated DC power, maximising solar utilisation
- Supports up to 20A PV input current, compatible with future higher-power PV modules
- 200% overload for 10s in off-grid mode, ensuring stable startup of motors, water pumps and air conditioners
- Seamless on/off-grid switching in under 10ms, guaranteeing an uninterrupted power supply
- More battery options, compatible with any battery (between 40V-60V)
- Supports existing PV grid-tied power connection for export control and off-grid use
- Multiple methods of generator connection and auto control, enabling flexible local deployment
- Support max 6 units in parallel, expanding system capacity
- Smart Load management, extending backup time for critical loads
- Customizable battery backup level for uninterrupted power
- Supports PV-only off-grid operation, reducing upfront costs
- SolisCloud: Smart remote control, AI optimisation, and instant troubleshooting - all in one platform
- 7-inch industrial-grade touchscreen, providing a larger, user-friendly interface for local operation
Datasheet:
S6-EH1P(9.9-18)K03-NV-YD-L |
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Models |
9.9K |
12K |
14K |
16K |
18KW |
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Input DC |
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Recommended max. PV array size |
19.8 kW |
24 kW |
28 kW |
32 kW |
36 kW |
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Max. usable PV input power |
15.8 kW |
19.2 kW |
22.4 kW |
22.4 kW |
28.8 kW |
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Max. input voltage |
550 V |
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Rated voltage |
380 V |
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Start-up voltage |
100 V |
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MPPT voltage range |
80 - 520 V |
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Max. input current |
40 A / 40 A / 40 A |
42 A / 42 A / 42 A |
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Max. short circuit current |
50 A / 50 A / 50 A |
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MPPT number / Max. input strings number |
3/6 |
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Battery |
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Battery type |
Li-ion / Lead-acid |
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Battery voltage range |
40 - 60 V |
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Max. charge / discharge current |
208A |
250 A |
290 A |
290 A |
320 A |
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Communication |
CAN / RS485 |
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Output AC (Grid side) |
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Rated output power |
9.9K |
12 kW |
14 kW |
16 kW |
18KW |
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Operation phase |
L/N/PE |
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Rated grid voltage |
220 V / 230 V |
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Rated grid frequency |
50 Hz / 60 Hz |
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Rated grid output current |
45 A / 43.1 A |
54.5 A / 52.2 A |
63.6 A / 60.9 A |
72.7 A / 69.6 A |
81.8 A / 78.2 A |
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Power factor |
> 0.99 (0.8 leading - 0.8 lagging) |
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THDi |
< 3% |
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Input AC (Grid side) |
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Input voltage range |
187 - 253 V |
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Max. input current |
67.5 A / 64.5 A |
81.8 A / 78.3 A |
95.5 A / 91.3 A |
109.1 A / 104.3 A |
122.7 A / 117.4 A |
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Frequency range |
45 – 55 Hz / 55 – 65 Hz |
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Output AC (Back-up) |
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Rated output power |
9.9 kW |
12 kW |
14 kW |
16 kW |
18KW |
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Max. apparent output power |
2 times of rated power, 10s |
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Back-up switch time |
<10ms |
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Rated output voltage |
L/N/PE,220V / 230V |
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Rated frequency |
50 Hz / 60 Hz |
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Rated output current |
45 A / 43.1 A |
54.5 A / 52.2 A |
63.6 A / 60.9 A |
72.7 A / 69.6 A |
81.8 A / 78.2 A |
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THDv (@linear load) |
<3% |
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Input Generator |
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Max. input power |
9.9 kW |
12 kW |
14 kW |
16 kW |
18KW |
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Max. input current |
45 A / 43.1 A |
54.5 A / 52.2 A |
63.6 A / 60.9 A |
72.7 A / 69.6 A |
81.8 A / 78.2 A |
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Rated input frequency |
50 Hz / 60 Hz |
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Efficiency |
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Max. efficiency |
97.6% |
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EU efficiency |
97.2% |
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BAT charged by PV max. efficiency |
>94.9% |
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BAT charged / discharged to AC max. efficiency |
>94.33% / 93.51% |
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Protection |
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Surge protection |
Yes |
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DC reverse-polarity protection |
Yes (PV only) |
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Ground fault monitoring |
Yes |
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Integrated AFCI 2.0 |
Optional |
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Protection class / Over voltage category |
I / II (PV and BAT), III (MAINS and BACKUP and GEN) |
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General Data |
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Dimensions (W × H × D) |
459 × 845 × 313 mm |
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Weight |
55.5 kg |
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Topology |
Transformerless |
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Operating ambient temperature range |
-25 ~ +60°C |
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Ingress protection |
IP66 |
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Noise emission (typical) |
< 65 dB(A) |
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Cooling concept |
Intelligent fan-cooling |
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Max. operation altitude |
4000 m |
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Grid connection standard |
NRS 097-2-1, IEC 62116, IEC 61727, IEC 60068, IEC 61683, EN 50530 |
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Safety / EMC standard |
IEC/EN 62109-1/-2, EN 61000-6-2/-3 |
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Features |
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DC connection |
MC4 plug (PV port) / Terminal Block (BAT port) |
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AC connection |
Terminal Block |
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Display |
7.0" LCD display & Bluetooth + APP |
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Communication |
RS485, Optional: Cellular, Wi-Fi, LAN |
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- single or three-phase:
- single-phase
- Battery Voltage:
- 48
- Frequency:
- 50
- Voltage:
- 220