Hybrid Solar Inverter | 8KW | 120V/240V 60Hz | 48VDC | Dual MPPT
GRANKIA GSA8K best all in one 8kw 48v split phase solar inverter 240v is a powerful and reliable energy solution. This inverter is designed for residential and small commercial solar systems. Engineered for maximum efficiency, it offers flexibility and stability. It integrates an inverter, solar charger, and AC charger in a single intelligent unit. This makes it the perfect choice for modern off-grid and hybrid energy setups.
This 8kw 48v split phase solar inverter operates in on-grid, off-grid, and backup modes. In grid-tied setups it can export surplus energy; during outages it can switch to backup power to supply critical loads. Anti-islanding protection ensures grid safety and compliance.
Equipped with WiFi/GPRS communication, real-time monitoring, and a user-friendly LCD display that shows system status, power flow, and fault history.

This 8kw 48v split phase solar inverter is designed for homeowners, RV enthusiasts, and small businesses seeking energy independence. It combines cutting-edge inverter technology, advanced charging capabilities, and smart solar integration into a single, compact unit. The split phase solar inverter is ideal for powering a cabin, tiny home, or full residence. It stands out for its superior performance. It has UL1741 certification and user-friendly features.
Dual MPPT Solar Charger
It is equipped with dual independent MPPT solar charge controllers. It supports multiple solar array inputs. This setup optimizes power harvesting from your PV panels. Achieve up to 99.5% tracking efficiency, even under partial shading conditions.
Combines an 8kW pure sine wave inverter with a maximum 180A battery charger and dual MPPT solar charge controllers. This setup supports up to 500VDC open-circuit voltage from solar panels, allowing for expansive PV arrays without efficiency loss.
Split Phase 120/240V Output
Perfect for North American power systems, the 8kw 48v split phase solar inverter is suitable for delivering 120V/240V dual voltage. It can run both standard household appliances and heavy-duty appliances, such as air conditioners, pumps, and power tools.
Advanced scheduling capabilities let users program charging and discharging based on utility rate schedules. Take advantage of off-peak rates to charge batteries or power loads, saving significantly on energy costs.
Scalable and Parallel Operation
Parallel up to 6 units for a staggering 48kW output, supporting single-phase, split-phase, or even 208V three-phase configurations (with 3+ units). This modularity grows with your energy demands.
Besides WiFi for app-based monitoring, the 8kw 48v split phase solar inverter supports RS232, CAN, and RS485 interfaces. These are for integration with advanced battery management systems (BMS) and third-party energy monitoring platforms.


| 1 | Touch Screen | 9 | CAN/RS485-2 Port |
| 2 | LED Indicator | 10 | CAN/RS485-1 Port |
| 3 | Terminal Protection Cover | 11 | USB Port |
| 4 | ON/OFF Switch | 12 | Ground |
| 5 | PV Input (PV1 / PV2) | 13 | AC Output |
| 6 | Battery Connector (Positive) | 14 | AC Input |
| 7 | Battery Connector (Negative) | 15 | Parallel Communication Port |
| 8 | Dry Contact | – | — |




This versatile solar inverter charger excels in various scenarios:
| Model | GSA8K |
| PHASE | Single Phase or Split Phase |
| Rated Output Power | 8KW |
| Parallel Function | up to 6 units |
| PV INPUT (DC) | |
| Max. PV INPUT POWER | 7500W + 7500W |
| Max. DC Input Voltage | 500VDC + 500VDC |
| MPPT Voltage Range | 125VDC~425VDC |
| Max. DC INPUT Current | 22A + 22A |
| No. of MPPT Trackers | 2 |
| AC/GENERATOR INPUT | |
| Input Voltage Range | 90VAC-275VAC (L-N) |
| Input Frequency | 50Hz / 60Hz |
| Bypass Overload Current | 63A |
| AC OUTPUT (AC) | |
| Rated Output Power | 8000W |
| Max. AC Output Power | 16KW |
| Nominal Output Voltage | 110VAC/120VAC for Single Phase; 220VAC/240VAC for Split Phase |
| Output Frequency | 50Hz / 60Hz |
| Output Waveform | Pure Sine Wave |
| Transfer Time | 10ms |
| EFFICIENCY | |
| Max. Efficiency (DC/AC) | 92.0% |
| MPPT Tracking Efficiency | 99.9% |
| BATTERY & CHARGER | |
| Battery Type | Lead-acid or Lithium-ion or User-defined |
| Nominal DC Voltage | 48VDC |
| DC Voltage Range | 40VDC – 60VDC |
| Max. Solar Charging Current | 180A |
| Max. AC Charging Current | 100A |
| Max. Charging Current | 180A |
| Charging Strategy for Li-battery | Self-adaption to BMS |
| INTERFACE | |
| Communication Port | RS485/CAN/USB, Dry Contact |
| External Module (optional) | WiFi/Bluetooth |
| ENVIRONMENT | |
| Operating Temperature | -10°C to 55 °C (>45 °C derating) |
| Humidity | 0~95% (non-condensing) |
| Noise | < 60dB |
| Cooling Method | Intelligent Air Cooling |
| Protection Degree | IP20 |
| Installation Style | Wall-mounted |
| PHYSICAL | |
| Dimension, D x W x H (mm) | 142x450x620 |
| Net weight (Kg) | 27 |