The YUNT MPPT solar charge controller maximizes solar energy harvest and enables flexible, high-performance DC-coupled solar and storage system designs.
| Product model | Neptune-M120 | Neptune-M180 | Neptune-M240 | Neptune-M300 | Neptune-M360 |
| Technical Specification | |||||
| PV Input | |||||
| Input voltage range | 150-1000 | 150-1000 | 150-1000 | 150-1000 | 150-1000 |
| Full load MPPT voltage range | 340-950 | 340-950 | 340-950 | 340-950 | 340-950 |
| Max.Num.of modular | 2 | 3 | 4 | 5 | 6 |
| Max.PV Power | 120kW(60kW*2) | 180kW(60kW*3) | 240kW(60kW*4) | 300kW(60kW*5) | 360kW(60kW*6) |
| Num.of MPPTs per modular | 4 | 4 | 4 | 4 | 4 |
| Max. Num. of Strings per MPPT | 1 | 1 | 1 | 1 | 1 |
| Rated Current per MPPT | 45A | 45A | 45A | 45A | 45A |
| Rated Power per MPPT | 15kW | 15kW | 15kW | 15kW | 15kW |
| DC Output | |||||
| Output voltage range | 350-1000V | 350-1000V | 350-1000V | 350-1000V | 350-1000V |
| Full load Output Voltage | 600-950V | 600-950V | 600-950V | 600-950V | 600-950V |
| Max. Output Total Current | 200A(100A*2) | 300A(100A*3) | 400A(100A*4) | 500A(100A*5) | 600A(100A*6) |
| Num. of DC Output | 2 | 3 | 4 | 4 | 4 |
| Rated Output Total Power | 120kW(60kW*2) | 180kW(60kW*3) | 240kW(60kW*4) | 300kW(60kW*5) | 360kW(60kW*6) |
| System Data | |||||
| DC reverse polarity protection | Yes | ||||
| DC output fuse protection | Yes | ||||
| DC output breaker protection | Yes | ||||
| PV input switch | Yes | ||||
| Over current protection | Yes | ||||
| Over/Under voltage protection | Yes | ||||
| Insulation monitoring | Yes | ||||
| Over-heat protection | Yes | ||||
| Overvoltage category | II | ||||
| IP level | IP54 | ||||
| Max. efficiency | >99.2% | ||||
| Cooling method | Intelligent air cooling | ||||
| Operating Temperature Range | -25~60℃（45~60℃ derating, derating factor 5%/℃） | ||||
| Storage Temperature Range | -25~70℃（no condensation） | ||||
| Relative Humidity | 0~95%（no condensation） | ||||
| Noise | <75dB(A) @1m | ||||
| Maximum Operating Altitude (m) | 4000m（derating above 3000m,derating factor 1%/100m） | ||||
| PV Lightning protection | Tyle II | ||||
| Communication | Ethernet、RS485、CAN | ||||
| Display | LED | ||||
| Dimensions(W*D*H) | 650*900*2100mm | ||||
| Weight | 280kg | 305kg | 330kg | 355kg | 380kg |
| Certificate | |||||
| IEC 62109-1、IEC 61000-6-2、IEC 61000-6-4 | |||||
| Expand models | |||||
| （Neptune-*） DC output channel configuration（Neptune-*） | 1/2 | 1/2/3 | 1/2/3/4 | 1/2/3/4 | 1/2/3/4 |
An MPPT (Maximum Power Point Tracking) charge controller is a DC-DC converter designed to maximize the energy harvested from solar panels while efficiently charging a battery bank.
Solar panels and batteries operate at different and constantly changing voltage levels due to variations in sunlight, temperature, and battery state of charge. An MPPT solar charge controller continuously tracks the optimal operating point of the solar array and converts the voltage to match the battery’s charging requirements, ensuring maximum power transfer and system efficiency.
MPPT charge controllers are designed to maximize solar energy harvest and ensure efficient, stable battery charging in modern photovoltaic systems. By continuously tracking the PV array’s optimal operating point, an MPPT solar charge controller delivers higher system efficiency, improved energy utilization, and greater design flexibility than conventional solutions.
Key Advantages:
Advanced maximum power point tracking technology allows the solar charge controller to extract more power from solar panels under varying sunlight and temperature conditions.
The MPPT solar charge controller supports a wide PV input voltage range, enabling flexible panel configurations, reduced cable losses, and simplified system expansion.
Intelligent multi-stage charging ensures accurate voltage and current control, improving charging speed while extending battery life.
As a core PV charge controller component, MPPT technology enhances overall system stability and reliability for residential, commercial, and industrial solar applications.
As a trusted MPPT solar charge controller supplier and manufacturer, we deliver MPPT cabinets designed for reliability, performance, and fast project execution.
Our Advantages:
Maximize power, minimize footprint, and achieve cost-effective upgrades with a trusted PV charge controller manufacturer, ensuring on-time solar project success.
