The Fogstar-LuxPowerTek SNA 14K is a powerful 14kW single-phase (230V) off-grid inverter, built on proven LuxPowerTek technology and optimised for integration with Fogstar Energy 48V (51.2V) battery systems.

Designed for larger residential, commercial, agricultural and high-demand off-grid applications, the SNA 14K combines up to 24kW of PV input, high-current battery performance and intelligent generator integration within one powerful energy management platform.

With dual MPPTs, up to 270A battery charge/discharge current, dual AC outputs and support for up to 16 units in parallel, the SNA 14K provides exceptional flexibility for demanding and scalable off-grid energy systems.

Key Features

• Powerful 14kW continuous single-phase output
• Up to 24kW maximum PV input
• Dual MPPT solar inputs
• 48V / 51.2V low-voltage battery architecture
• Up to 270A maximum battery charge/discharge current
• Dual AC outputs for flexible load management
• Dedicated generator port
• Automatic generator start functionality
• Generator boost support
• <10ms transfer time for rapid backup switching
• Pure sine wave AC output
• Parallel operation for up to 16 units
• Integrated battery and load breakers
• RS485, Wi-Fi and CAN communications
• Optimised for Fogstar Energy batteries

Built for Fogstar Battery Integration

The SNA 14K is designed to integrate seamlessly with compatible Fogstar Energy 48V (51.2V) battery systems, providing reliable communication between the inverter and battery BMS.

Benefits include:

• Stable BMS communication
• Accurate battery state-of-charge reporting
• Intelligent charge and discharge management
• High battery power capability
• Efficient system operation
• Reliable protection and battery management

Recommended Fogstar Battery Pairings

Best Overall – Fogstar Energy 32kWh
An excellent balance of storage capacity and power capability for larger residential and off-grid installations.

Highest-Performance – Fogstar Energy 48.3kWh
Ideal for high-demand applications requiring substantial usable storage and sustained battery performance.

Scalable Options – Fogstar Energy 16.1kWh / 16.1kWh ECO / 10kWh
Flexible options for installations where storage capacity may be tailored or expanded to suit individual requirements.

Solar PV Performance

With up to 24kW of PV input, the SNA 14K can accommodate a substantial solar array, helping maximise daytime generation and battery charging potential.

• Maximum PV input power: 24,000W
• MPPTs: 2
• Maximum MPPT efficiency: 99.0%
• Maximum inverter efficiency: 93.5%
• PV force wake-up supported

The high PV-to-inverter ratio is particularly useful for off-grid installations where maximising solar generation throughout the day is critical.

Battery & Power Performance

• Battery architecture: 48V / 51.2V
• Battery operating range: 46.4–60V / 38.4–60V
• Maximum battery charge/discharge current: 270A
• Continuous AC output: 14kW
• Maximum PV input: 24kW
• Maximum charge/discharge efficiency: 93.0%
• Grid and PV force wake-up supported
• Parallel capability: up to 16 units

The combination of high battery current and substantial PV capacity makes the SNA 14K particularly suited to installations with large electrical loads and significant daily energy requirements.

Generator Integration

A dedicated generator connection provides an additional layer of resilience when solar generation and stored battery energy are insufficient.

Features include:

• Dedicated generator port
• Automatic generator start
• Generator boost functionality
• Intelligent integration with solar and battery storage
• Additional resilience for extended periods of low solar generation

This makes the SNA 14K particularly well suited to properties where a dependable off-grid power supply is essential.

Dual AC Outputs

Dual AC outputs provide additional flexibility when designing the electrical installation, allowing different loads or circuits to be managed according to system requirements.

Combined with the inverter's rapid <10ms switching time, the SNA 14K can provide dependable backup power for connected loads.

Efficiency & Protection

Comprehensive integrated protection includes:

• 99.0% maximum MPPT efficiency
• 93.5% maximum inverter efficiency
• 93.0% maximum charge/discharge efficiency
• <10ms transfer time
• Pure sine wave output
• PV reverse-polarity protection
• Battery reverse-polarity protection
• Overcurrent protection
• Overvoltage protection
• AC short-circuit protection
• Grid monitoring
• Type III DC surge protection
• Type III AC surge protection

Build & Installation

• Protection rating: IP20
• Integrated battery and load breakers
• Transformerless AC topology
• Transformer battery-side topology
• Communications: RS485 / Wi-Fi / CAN
• Noise level: 55dB
• Maximum operating altitude: 2,000m
• Operating temperature: 0°C to 45°C
• Storage temperature: -15°C to 60°C
• Relative humidity: 5–95%
• Dimensions: 530 × 830 × 150mm
• Weight: 43.5kg
• Warranty: 3 years

Ideal For

• Large residential off-grid systems
• Farms and agricultural properties
• Commercial off-grid installations
• High-consumption properties
• Generator-backed energy systems
• Backup and resilience applications
• Large Fogstar battery storage systems
• Installations requiring future expansion

The Fogstar x LuxPowerTek SNA 14K combines 14kW of single-phase output, up to 24kW of solar input and high-current 48V battery integration to create a powerful, scalable solution for demanding off-grid energy systems.