Hebei Mutian Solar Energy Technology Development Co., Ltd. is one of the most reliable manufacturers and suppliers of solis 12-20k energy storage inverter in China, also supports customized service. Welcome to buy advanced solis 12-20k energy storage inverter in stock from our factory.
why choose us
Rigorous Quality Control: Every item undergoes extensive testing, such as verifying its performance, ensuring safety of operation at a particular voltage level, and putting items through various environmental stress tests. Our international compliance qualifies us to meet the demands of the worldwide marketplace.and simple integration
Ability to Scale Production Volume: The production capabilities of our plants will allow us the ability to sustain the quality level at any volume order. This means we can deliver large volume orders in a timely manner with confidence.
Our Digital Technology provides a method to track all processes associated with production in real time from the time of purchase of materials to the time of the finished good is packaged. As a result, we guarantee that production is executed efficiently and transparently.
Products Description
What are features of Solis 12-20K Energy Storage Inverter?
Smart Energy Management
• AI intelligently manages charging and discharging based on TOU (Time-of-Use) tariffs
• Seamless integration with VPP and EMS platforms for enhanced energy optimization
• Built-in control for SG-ready heat pumps
High Performance
• Supports three-phase unbalanced output, allowing up to 40% of rated inverter power per phase
• 160% PV input capacity to maximize solar energy utilization
• Switching time < 10ms


Flexible & Scalable
• Compatible with mainstream lithium batteries
• Easily expand system capacity using parallel connections and AC coupling
Simple & Fast Configuration
• Bluetooth app support for quick and easy setup
What are advantages of Solis 12-20K Energy Storage Inverter?
The Solis 12-20K energy storage inverter combines reliable, intelligent performance with advanced technology, making it suitable for a variety of environments, including outdoor and extreme conditions. Its key features reflect Solis' commitment to developing innovative solutions and offering a range of hybrid inverters, even equipped with AI solutions for dynamic energy management from an energy efficiency perspective.

What are benefits of Solis 12-20K Energy Storage Inverter?
Wholesale partners need products that are dependable and easy to implement and sell. The Solis 12-20K Energy Storage Inverter provides:
Simple Installation and Scalability
The inverter can be used in a parallel configuration, creating scalable systems to allow your clients to grow their energy capacity as suitable. This modularity supports inventory and logistics by having one part that supports large and small projects.
Compatibility Across Different Inverters
The inverter is designed to be worked with many different types of PV modules and batteries, allowing for flexible custom solar installs. This means that wholesalers do not have to implement various inverter models into inventory for installations and will have reduced complexity during logistics.
Reduced Operating Costs
The inverter optimizes energy generation and storage for the end-user promoting reduced electricity bills. For the wholesaler, this ensures a competitive product for the increasingly cost sensitive solar market.

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product parameters
| DATASHEET | Solis S6-EH3P(12-20)K-ND-H Inverter | ||
| Models | 12K | 15K | 20K |
| Input DC (PV side) | |||
| Recommended max. PV array size | 24 kW | 30 kW | 40 kW |
| Max. usable PV input power | 19.2 kW | 24 kW | 32 kW |
| Max. input voltage | 1000 V | ||
| Rated voltage | 600 V | ||
| Start-up voltage | 160 V | ||
| MPPT voltage range | 200 - 850 V | ||
| Max. input current | 4 × 20 A | ||
| Max. short circuit current | 4 × 30 A | ||
| MPPT number / Max. input strings number | 4 / 4 | ||
| Battery | |||
| Battery type | Li-ion | ||
| Battery voltage range | 120 - 800 V | ||
| Max. charge / discharge power | 12 kW | 15 kW | 20 kW |
| Max. charge / discharge current | 50 A | ||
| Communication | CAN / RS485 | ||
| Output AC (Grid side) | |||
| Rated output power | 12 kW | 15 kW | 20 kW |
| Max. apparent output power | 12 kVA | 15 kVA | 20 kVA |
| Rated grid voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||
| Rated grid frequency | 50 Hz / 60 Hz | ||
| Rated grid output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Max. output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Power factor | > 0.99 (0.8 leading - 0.8 lagging) | ||
| THDi | < 3% | ||
| Input AC (Grid side) | |||
| Input voltage range | 304 - 437 V / 320 - 460 V | ||
| Max. input current | 27.3 A / 26.0 A | 34.2 A / 32.5 A | 45.6 A / 43.3 A |
| Rated grid frequency | 50 Hz / 60 Hz | ||
| Frequency range | 45 - 55 Hz / 55 - 65 Hz | ||
| Input Generator | |||
| Max. input power | 12 kW | 15 kW | 20 kW |
| Max. input current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| Rated input frequency | 50 Hz / 60 Hz | ||
| Output AC (Back-up) | |||
| Rated output power | 12 kW | 15 kW | 20 kW |
| Max. apparent output power | 1.6 time of rated power, 10 s | ||
| Back-up switch time | < 10 ms | ||
| Rated output voltage | 3/N/PE, 220 V / 380 V, 230 V / 400 V | ||
| Rated frequency | 50 Hz / 60 Hz | ||
| Rated output current | 18.2 A / 17.3 A | 22.8 A / 21.7 A | 30.4 A / 28.9 A |
| THDv (@linear load) | < 3% | ||
| Efficiency | |||
| Max. efficiency | 97.7% | ||
| EU efficiency | 97.5% | ||
| BAT charged by PV max. efficiency | 98.5% | ||
| BAT charged / discharged to AC max. efficiency | 97.2% | ||
| Protection | |||
| Anti-islanding protection | Yes | ||
| Output over current protection | Yes | ||
| Short circuit protection | Yes | ||
| Integrated AFCI 2.0 | Optional | ||
| Integrated DC switch | Yes | ||
| DC reverse-polarity protection | Yes | ||
| PV over voltage protection | Yes | ||
| Battery reverse protection | Yes | ||
| General Data | |||
| Max. allowable phase imbalance (grid & back-up) | 100% | ||
| Max. power per phase (grid & back-up) | 40% rated power | ||
| Dimensions (W × H × D) | 563 × 546 × 235 mm | ||
| Weight | 32.6 kg | ||
| Topology | Transformerless | ||
| Self-consumption (night) | < 25 W | ||
| Operating ambient temperature range | -25 ~ +60°C | ||
| Relative humidity protection | 0 - 100% | ||
| Ingress protection | IP66 | ||
| Noise emission (typical) | < 65 dB(A) | ||
| Cooling concept | Intelligent fan-cooling | ||
| Max. operation altitude | 4000 m | ||
| Grid connection standard | EN 50549-1/-10, VDE4105, CEI 0-21, CEI 0-16, NC-RFG TypeB, NRS 097-2-1, LTU-1, G99, PEA | ||
| Safety / EMC standard | IEC/EN 62109-1/-2, IEC/EN 61000-6-1/-2/-3/-4 | ||
| Features | |||
| PV connection | MC4 connector | ||
| Battery connection | OT terminal | ||
| AC connection | OT terminal | ||
| Display | LED indicator & Bluetooth + APP | ||
| Communication | CAN, RS485, Ethernet, Optional: Wi-Fi, Cellular, LAN | ||









