Power smarter with YUNT Hybrid Inverters. Engineered for seamless on-grid and off-grid operation, they deliver efficient DC-to-AC conversion and intelligent energy management for reliable microgrid systems.
| Product model | Neptune-H125T-SA2 |
| Technical Specification | |
| DC(PV Input) | |
| Input voltage range | 150-Vbat,min |
| Full load MPPT voltage range | 340-950V |
| Max Input voltage | 1000V |
| Max.Num.of module | 3 |
| Max.PV Power | 180kW(60kW*3) |
| Num.of MPPTs per module | 4 |
| Max. Num. of Strings per MPPT | 1 |
| Rated Current per MPPT | 45A |
| Rated Power per MPPT | 15kW |
| DC(BAT Input) | |
| Battery Voltage Range | 600-1000V |
| Num. of Battery Input | 1 |
| Max charge/discharge current | 216A |
| Max charge/discharge power | 125kW |
| AC(on grid) | |
| Rated Output Apparent Power | 125kVA |
| Rated Output Current(A) | 182A |
| Max.Input Apparent Power | 250kVA |
| Max.AC Input Current | 364A |
| Rated Voltage | 400V |
| Voltage Range | 300-460V |
| Rated Frequency(Hz) | 50/60Hz |
| Frequency Range(Hz) | 45-55Hz/55-65Hz |
| PF | >0.99（-0.8~0.8） |
| THDi | <3%(@rated power) |
| AC connection | 3W+N+PE |
| AC(off-grid) | |
| Rated Output Power | 125kW(@Resistive load) |
| Rated Output Voltage | 400V |
| Rated Output Current(A) | 182A |
| Rated Frequency(Hz) | 50/60Hz |
| THDu | <3%(@linear load) |
| Overload capability | 120%-1min |
| System Data | |
| Build-in transformer | Yes |
| Build-in STS | Yes |
| Build-in ATS | Yes |
| IP level | IP54 |
| Transfer between on/off grid with STS | <10ms |
| Cooling method | Intelligent air cooling |
| Operating Temperature Range | （45~60℃ derating, derating factor 5%/℃） |
| Storage Temperature Range | -25~70℃ （no condensation） |
| Relative Humidity | 0~95%（no condensation） |
| Noise | <70dB(A) @1m |
| Maximum Operating Altitude | （derating above 3000m,derating factor 1%/100m） |
| AC Lightning protection | Type II |
| PV Lightning protection | Type II |
| BMS Communication | RS485/CAN |
| Meter Communication | RS485 |
| Remote Communication | WLAN/4G/Ethernet |
| Display | LED+LCD+APP |
| Dimensions(W*D*H) | 1200*1100*2100mm |
| Weight | 1350kg |
| Certificate | |
| IEC 62109-1、IEC 62477-1、IEC 61000-6-2、IEC 61000-6-4、NRS 097-2-1 | |
| Expand models | |
| Not equipped with ATS | Neptune-H125T-S2 |
| Not equipped with STS | Neptune-H125T-A2 |
| Not equipped with STS and ATS | Neptune-H125T |
| Num. of MPPT module other configuration（Neptune-*） | 1/2 |
A hybrid inverter is an all-in-one device that combines the functions of a solar inverter and a battery inverter in a single unit. As a hybrid solar inverter, it converts DC power from solar panels into AC electricity for on-site use or grid export, while also storing excess energy in batteries for later use.
Unlike traditional inverters, hybrid inverters support multiple operating modes, including self-consumption, grid-tied operation, and backup power during grid outages. With an integrated design, hybrid inverters simplify installation, reduce system costs, and enhance energy efficiency for solar-plus-storage applications.
A hybrid solar inverter manages the flow of electricity between solar panels, batteries, household loads, and the utility grid. Solar panels generate DC power, which the inverter converts into AC electricity for immediate use in the home or for grid export.
Extensive Experience: Our team has 16 years of experience in power electronics, delivering reliable hybrid inverter solutions.
Comprehensive In-House Production: As a leading hybrid inverter manufacturer, we integrate R&D, manufacturing, sales, and support in our own factory—no middlemen—reducing costs and ensuring faster delivery.
Global Certifications & Local Adaptation: Products hold certifications in 20+ countries, enabling rapid local deployment and meeting diverse market requirements.
Partnering with us means more than accessing high-performance hybrid power inverter solutions—it’s a seamless experience from design to deployment. As a trusted hybrid inverter supplier, our modular products and global certifications allow rapid local adaptation, while our team delivers tailored solutions, fast project implementation, and ongoing technical support.
