LuxpowerTek SNA 6K Off-Grid Inverter

  
By Fogstar Drift
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LuxpowerTek SNA 6K Off-Grid Inverter

  • 6kW single phase off-grid inverter for sites with weak, unreliable or no grid supply.
  • Intelligent off-grid and hybrid modes, with seamless switching and wide PV input voltage range.
  • Scalable design – support for up to 16 units in parallel for systems from 3kW to around 50kW.

Overview

The Fogstar x LuxpowerTek SNA 6K Off-Grid Inverter is part of the SNA 3–6kW series, designed for areas where grid power is unstable or scarce. It can operate as a pure off-grid inverter or in hybrid mode, supporting solar and utility jointly taking the load and allowing you to choose between self-consumption and charge-priority operation.

The SNA 6K supports paralleling of up to 16 inverters, enabling systems from 3kW to 50kW for residential, agricultural and small commercial applications. It provides seamless off-grid switching, a separate generator port and good battery compatibility with 48V lithium-ion and lead-acid batteries.

Key features

  • Intelligent off-grid and hybrid modes with seamless switching between sources.
  • Wide PV input voltage range with dual MPPT, and support for single phase or unbalanced 3‑phase systems via parallel operation.
  • Separate generator port and host inverter auto-generation to manage multi-inverter systems.
  • Compatible with lithium-ion and lead-acid batteries at 48V nominal, including force wake-up from PV and grid.
  • Compact wall-mount design (303 × 505 × 135 mm) with LCD+LED display and RS485/Wi‑Fi/CAN communications.

Typical applications

Suitable for off-grid homes, cabins and holiday lets, farms, remote workshops and telecoms sites where diesel generators are currently used. It can act as backup power or replace generators, using solar and batteries to reduce running costs and noise.

Technical specifications 

PV input (DC)

Max. PV array power (W) 8000 (4000/4000)
Rated PV input voltage (V) 320
Number of independent MPPT inputs 2
PV input voltage range (V) 100–480
MPPT voltage range (V) 120–385
Start-up voltage (V) 100
Max. PV input current per MPPT (A) 17/17
Max. PV short-circuit current input per MPPT (A) 25/25

Battery

Compatible battery type Lithium-ion / Lead-Acid
Rated battery voltage (V) 48
Battery voltage range (V) 38.4–60
Max. charging/discharging current (A) 26.5
Max. discharging/charging power (W) 6000
Recommended capacity of battery per inverter >200AH
Force wake up battery from PV function YES
Force wake up battery from Grid function YES

Grid / AC input

Rated AC voltage (V) 230
Rated AC frequency (Hz) 50/60
Rated AC output current (A) 26.5
Rated AC output power (W) 6000
Max. AC input current (A) 39.5
Max. AC input power (W) 9000
PF 0.99
THDI <5%
Rated AC current of BYPASS relay (A) 40

UPS / output

Rated output power (W) 6000
Rated output voltage (V) 230
Rated output current (A) 26.5
Rated output frequency (Hz) 50/60
Surge power, duration 2Pn, <2S
Switching time <15ms@Single / <30ms@Parallel
Wave form Sine wave
THDV 3%

Efficiency

Max. MPPT efficiency 99%
Max. efficiency 0.99
EU efficiency 0.93
Max. charging efficiency 0.93
Max. discharging efficiency 0.93

Protection

Over current/voltage protection YES
AC short-circuit current protection YES
Grid monitoring YES
AC surge protection Type III
Battery reverse polarity protection YES

General

Dimensions (W × H × D) 303 × 505 × 135 mm / 11.9 × 19.9 × 5.3 inch
Weight 14.5 kg / 32 lbs
Ingress protection rating IP20
Operating environment temperature range 0–50°C
Storage temperature range -15–60°C
Relative humidity 5%–95%
Display & communication interface LCD+LED, RS485 / Wi‑Fi / CAN
Warranty 2 years
Cooling method FAN
Topology Transformer-less
Altitude <2000 m
Noise emission (typical) <50 dB
Standards & Certification IEC 62109-1, IEC 62109-2, IEC 61000

Documents available for download

Shipping

Available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, contact us on +44 2080640335 or info@energian.co.uk for a quote.

UK expert support

UK expert support is available for off-grid and hybrid system design, battery sizing, generator integration and inverter selection. Contact us via phone, email or live chat, or visit our office for an in-person consultation. For most projects we recommend installation by a qualified electrician or one of our trusted installer partners.

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