GA Pro S-series | 5.5kW

Main Feature
- Lithium Battery Auto-restart Function, More Convenient for Lithium Battery Charging
- Display can be designed with a touch screen panel
- Utility Charging Voltage/PV Charging Voltage Adjustable, Match Different Battery Charging Requirements
- Standard dual AC voltage output
- Battery Reverse Connection Protection with Fuse Switch, Safer Installation
- PF1.0, High Efficiency, Lower Consumption, Energy Conservation/Environmental Protection/Electricity Saving/Cost Saving
- Standard off grid function
- Input/output 110/120VAC
- Communication Option: External WIFI, Supervise at Any Time
- BMS function for lithium battery
Product Details

Harnessing Solar Synergy
Techfine presents a seamless solar energy experience with our GA pro-Series Inverter – the heart of solar energy system. The Solar System Diagram illustrates the smart connectivity that powers your world.

Seamless Integration, Endless Possibilities
The solar energy system requires robust connections and Techfine Hybrid Solar Inverter delivers just that.

Tailored for Excellence – ODM Customizable Inverter Solutions
We understand that one style does not fit all. That’s why we offer an array of customizable options to align with your specific needs.

Intuitive Control at Your Fingertips
Our control panel is the gateway to a smarter energy solution, placing the power to monitor and adjust right in the palm of your hand.

20+ Years of Power Energy Expertise
A source manufacturer with over 20 years of experience, providing OEM/ODM customization, strong technical support, and professional customer service.

Complete Certification & Quality Assurance
Our products comply with international standards and are equipped with full certifications to ensure safety, reliability, and global market approval.
Technical Specifications
| Model | GA5548YMH |
|---|---|
| AC Input | |
| Input Formation | L+N+PE |
| AC Input | 110/120VAC |
| Input Voltage Range | 65-145VAC±3V |
| Frequency | 60Hz(Adaptive) |
| Inverter Output | |
| Rated Power | 5500W |
| Dual Output Power | 5500W |
| Output Voltage(AC) | 110/120VAC±5% |
| Output Frequency | 60Hz±0.1% |
| Output Wave | Pure Sine Wave |
| Transfer Time(Adjustable) | 10ms for Computer Equipment, 20ms for Household Equipment |
| Peak Power | 11000VA |
| Overload Ability | Battery Mode: 11s@105%~150% Load; 2s@150%~200% Load; 400ms@>200% Load |
| Grid connected Operation | |
| Output Voltage | 110/120VAC |
| Grid Voltage Range | 90-140VAC |
| Grid Frequency Range | 47-53±1Hz/57-62±1Hz |
| Output Current | 50A |
| Power Factor Range | >0.99 |
| Max efficiency (DC/AC) | >98% |
| Battery Charging | |
| Rated Voltage | 48VDC |
| Constant Charging Voltage | 56.4Vdc |
| Float Charging Voltage | 54VDC |
| PV Input & Charging | |
| PV Charging Method | MPPT |
| Max PV Input Power | 8500W |
| PV Input Voltage Range | 60~500VDC |
| MAX PV Input Voltage | 500VDC |
| MAX PV Input Current | 27A |
| MAX PV Charge Current | 100A |
| MAX AC Charge Current | 40A |
| MAX Charge Current | 100A |
| Communication & Display | |
| LCD | Can display operating mode/load/input/output |
| RS232 | 5PIN/Pitch2.54mm,Baud Rate 2400 |
| Expansion Slot Communication Interface | Lithium Battery BMS Communication Card,WIFI 2×5PIN/Pitch2.54mm |
| Parallel Interface | Not Support Parallel |
| Environmental Conditions | |
| Operating Temperature | -10°C~50°C |
| Storage Temperature | -15°C~60°C |
| Ork Altitude | No more than 1000m, If 1000m<,Rate power will lower, MAX 4000m, Refer |
| Operating Environment Humidity | Non Condensing |
| Noise | <50dB |
| Mechanical | |
| L*W*H(mm) | 495*312*125mm |