Description
Fogstar x LuxpowerTek GEN3-LB-EU 3.6–6kW Hybrid Inverter
The Fogstar GEN3-LB-EU 3.6–6K is a next-generation single-phase hybrid solar inverter designed for efficient solar generation, battery storage and backup power.
Built using LuxpowerTek technology and configured for integration with Fogstar Energy 48V (51.2V) lithium battery systems, this inverter provides a flexible solution for residential solar and energy storage installations.
Supplied as a 6kW unit with 3.6kW, 5kW and 6kW rating labels included, the GEN3 offers flexibility for different installation requirements. The appropriate operating configuration must be confirmed by the installer.
Featuring dual MPPTs, up to 12kW solar PV input, generator support and parallel operation for up to 16 units, the inverter is designed for grid-connected solar, off-grid and backup applications.
Designed for Fogstar Battery Integration
The Fogstar GEN3 hybrid inverter supports communication with compatible Fogstar Energy 48V (51.2V) battery storage systems.
- Stable battery management system (BMS) communication
- Accurate battery state-of-charge monitoring
- Intelligent battery charging and discharging
- Efficient solar energy storage and management
- Flexible system expansion
Compatible Fogstar Battery Options
The GEN3 inverter can be paired with a range of Fogstar Energy battery storage solutions.
- Minimum setup: Fogstar Energy 5.12kWh Rack Battery, subject to the selected inverter rating and battery discharge capability.
- Recommended: Fogstar Energy 48V 10kWh Battery.
- Higher-capacity option: Fogstar Energy 48V 16.1kWh Battery.
Battery capacity, maximum discharge current and inverter settings must be matched to the installation requirements.
Key Features
- Flexible power ratings: Supplied as a 6kW inverter with 3.6kW, 5kW and 6kW rating labels.
- Single-phase hybrid operation: Designed for 230V residential electrical systems.
- Dual MPPT: Two independent maximum power point trackers for flexible solar array configurations.
- Up to 12kW PV input: Supports high-capacity solar panel installations.
- 125A battery charging: Supports up to 125A battery charge and discharge current.
- Generator support: Allows compatible generator integration.
- Fast backup switching: 7ms switching capability.
- Parallel expansion: Supports up to 16 compatible inverter units.
- Type II surge protection: Built-in AC and DC surge protection.
- IP66 protection: Suitable for appropriate indoor and outdoor installations.
- 10-year warranty: Manufacturer warranty for long-term peace of mind.
Performance & Reliability
The Fogstar GEN3 hybrid inverter combines high solar input capacity with efficient battery charging and reliable power conversion.
- Up to 6kW continuous output
- Up to 97.0% maximum efficiency
- Double-rated surge power for one second
- 52A continuous AC passthrough
- Battery force wake-up from PV, grid or generator
- On-grid and off-grid operating capability
- Intelligent backup power functionality
Monitoring & Installation
Designed with installers and system owners in mind, the GEN3 includes convenient monitoring and communication features.
- LCD display for local system information
- Remote monitoring support
- RS485 communication
- Wi-Fi connectivity
- CAN battery communication
- Smart cooling system
- Wall-mounted installation
Technical Specifications
- Manufacturer: Fogstar Energy / LuxpowerTek
- Model: GEN3-LB-EU 3.6–6K
- Inverter Type: Single-phase hybrid
- AC Voltage: 230V
- Rated Output Options: 3.6kW / 5kW / 6kW
- Maximum PV Input: 12kW
- MPPT Trackers: 2
- Battery Voltage: 48V / 51.2V nominal
- Maximum Battery Charge/Discharge: 125A
- Maximum Efficiency: 97.0%
- Backup Switching: 7ms
- Continuous AC Passthrough: 52A
- Parallel Capability: Up to 16 units
- Protection Rating: IP66
- Surge Protection: Type II AC/DC
- Communications: RS485, Wi-Fi and CAN
- Dimensions: 416 × 538.5 × 229.5mm
- Weight: 22.5kg
- Warranty: 10 years
Suitable Applications
- Residential solar PV installations
- Home battery storage systems
- Solar self-consumption and energy management
- Backup and resilience systems
- Suitable on-grid and off-grid applications
- Expandable renewable energy installations
Technical Downloads
Download the manufacturer specification sheet and the relevant G99 reports for installer reference.
- Download GEN3 3.6–6kW Technical Specification Sheet (PDF)
- Download G99 Report – 3.6kW (PDF)
- Download G99 Report – 5kW (PDF)
- Download G99 Report – 6kW (PDF)
Installation note: Installation and commissioning must be completed by a suitably qualified installer. For grid-connected systems, confirm the exact inverter configuration, applicable G99 documentation and network operator requirements before installation.







