4KW/6KW Off Grid Solar Inverter

A 4KW/6KW Off Grid Solar Inverter is a power device used to convert direct current (DC) power into alternating current (AC) power to meet the power needs of off-grid systems. An off-grid system refers to a system that does not rely on a public grid power supply but generates electricity through independent energy systems (such as solar panels, wind turbines, etc.).

Off-grid inverter control all-in-one machine, supporting mains power and photovoltaic solar energy input; DPS digital control technology, double conversion online design, input PFC technology, input power up to 0.99, high-efficiency inverter topology, higher output efficiency; battery balancing function Optimize battery performance, higher energy storage efficiency; mains/photovoltaic/battery/multi-mode optimal output; support battery cold start; built-in dust filter kit, suitable for harsh environments; support WIFI communication (optional).

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  • Pure Sine wave solar inverter
  • High PV input voltage range 90-430V
  • Built-in 80A MPPT solar charger
  • Battery equalization function to optimize battery performance and extend lifecycle
  • Built-in anti-dust kit for harsh environment
  • Support working without battery



  • Power tools; Electric Saw, Drilling Machine, Grinder, Sand blast Machine, Punching Machine, Weeding Machine, Air Compressor etc.
  • Office Applications; Computer, Printer, LCD Monitor, Scanner etc.
  • Household Appliance Applications; Vacuum Cleaner, Fan, Lamp or LED, Sewing Machine etc.
  • Kitchen Appliance Applications; Microwave, Fridge, Freezer, Coffee maker etc.



Line Mode Specifications VMIV 4KW VMIV 6K
Rated Output Power 4000VA/4000W 6000VA / 6000W
input Voltage Waveform Pure Sine wave
Nominal input voltage 230Vac
Low Loss Voltage 170Vac± 7v(UPS)
90Vac±7V (Appliances)
Low Loss Return Voltage 180Vac ±7V(UPS)


High Loss Voltage 280Vac ±7v
High Loss Return voltage 270Vac ±7v
Max AC input voltage 300Vac
Nominal input Frequency 50Hz/60Hz(Auto detection)
Low Loss Frequency 40±1Hz
Low Loss Return Frequency 42±1Hz
High Loss Frequency 65±1Hz
High Loss Return Frequency 63±1Hz
Output Short Circuit Protection Circuit Breaker
Efficiency (Line Mode) >95% (Rated R load, battery full charged )
Transfer Time 10ms typical (UPS); 20ms typical (Appliances)
lnverter Mode Specifications
Output Voltage Waveform Pure Sine wave
Output Voltage Regulation 230Vac± 5%
output Frequency 50Hz
Peak Efficiency 0.93
overload Protection 5s@=150% load; 10s@110%-150%load
Surge Capacity 2* rated power for 5 seconds
Nominal DC lnput Voltage 24Vdc 48Vdc
Cold Start Voltage 23 Vdc 46 Vdc
Low DC Warning voltage
@load<50% 23.5 Vdc 46 Vdc
@load >50% 23 Vdc
Low DC Warning Return Voltage
@load <50% 21.5 Vdc 43 Vdc
@load >50% 21 Vdc 42 Vdc
High DC Recovery Voltage 32 Vdc 62 Vdc
High DC Cut off Voltage 33 Vdc 63 Vdc
No Load Power Consumption <40W <55W
Charging Mode Specifications
Charging Algorithm 3-Step
Charging Current (UPS)

@Nominal input voltage

Bulk Charging Voltage Flooded Battery
Flooded Battery 29.2VDC 58.4 VDC
Floating Charging voltage 27 VDC 54 VDC
MPPT Solar Charging Mode
Max PV Array Power 5000W 6000W
Max PV Current 27A
Nominal Pv Voltage 320VDC 360VDC
Pv Array MPPT Voltage Range 60-450Vdc
Max PV Array Open Circuit Voltage 500Vdc
Max Charging Current(AC charger plus solar charger) 120Amp
Maximum Solar Charging Current 80Amp 80Amp
Operating Temperature Range -10°C~60°C
Storage Temperature -15°C~60″c
Dimension (D*W*H),mm 119X313.6X457.5
Net weight, kg 10 12

Wiring method