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ST-GP single-phase hybrid grid inverter combines grid-tied functionality with true unattended battery protection for areas with unstable or no grid access. It outputs pure sine wave power and its advanced battery circuit self-restores after low-voltage disconnection, eliminating on-site maintenance trips. A temperature-activated smart fan blocks dust and moisture for reliable cooling in harsh climates, while selectable battery types and charging currents, plus overload/short circuit auto-recovery with alarms, ensure fail-safe, flexible operation for the toughest remote conditions.
The ST-GP series 3.5kW-6.2kW single-phase off-grid solar inverters employ an MPPT charge controller with a conversion efficiency of up to 99.8% and advanced BMS technology, supporting off-grid operation. The following are its core technical parameters for your reference.
| Model | ST-GP3.5 | ST-GP4.2 | ST-GP5.5 | ST-GP6.2 |
| Rated Output Power (Off-Grid) | 3500W | 4200W | 5500W | 6200W |
| Max Efficiency | 99.20% | 99.20% | 99.20% | 99.20% |
| Grid Voltage Range | 90-280V | 90-280V | 90-280V | 90-280V |
| Max PV Input Power | 5000Wp | 5000Wp | 6000Wp | 6000Wp |
| MPPT Trackers | 2 | 2 | 2 | 2 |
| Battery Input Branches | 2 | 2 | 2 | 2 |
| Battery Voltage Range | 24V | 24V | 48V | 48V |
| Max Charge/Discharge Current | 100A+100A | 100A+100A | 100A+100A | 100A+100A |
| On/Off-Grid Switching Time | ≤10ms | ≤10ms | ≤10ms | ≤10ms |
| Protection Rating | IP20 | IP20 | IP20 | IP20 |
| Operating Temperature | -15℃~+60℃ | -15℃~+60℃ | -15℃~+60℃ | -15℃~+60℃ |
NASCCLAMP hybrid and off-grid inverter factory focuses on designing and manufacturing integrated energy solutions that combine photovoltaic inversion, battery management, and grid-interactive functions. We are dedicated to delivering dependable power for remote off-grid communities, residential energy storage, and industrial distributed generation scenarios. Equipped with automated production lines and a professional technical team, the facility ensures superior conversion efficiency, IP65-rated protection, and robust adaptability to various harsh conditions. Certified to rigorous international standards, NASCCLAMP inverters serve customers in over 200 countries across home storage, microgrids, and emergency backup applications. With a commitment to ongoing innovation and strict quality management, we offer flexible, high-cost-performance clean energy products that drive the worldwide renewable energy transition.
Custom Solar Solutions for Your Every Need
We provide clients with one-to-one professional support and one-stop solar lighting & energy storage solutions, from design to delivery and after-sales.
Backed by our professional R&D team, we keep developing innovative and patented designs. Most of our solar lights and energy storage products are independently developed and exclusive to our supply chain.
NASCCLAMP has built long-term partnerships with clients in more than 100 countries and regions worldwide. We are a trusted and stable supplier for distributors, contractors and project buyers.
As a professional source manufacturer, our modern factory supports large-scale stable production. Our supply capacity can fully meet your bulk orders, project demands and OEM&ODM requirements.
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