Off Grid Solar Storage Inverter

High Frequency Off grid solar inverter is a combination of Solar inverter , AC charger and MPPT Solar Controller. Off grid solar inverter can draw power from both solar panel and grid to supply electricity to load.

Function converting the Direct Current (DC) from solar panels into Alternating Current (AC), the form of electricity used in most homes and businesses.

High Frequency inverter advantage is : 1. Compact size 2. Much less weight,  Easy to install . 3 high conversion efficiency 4. Cost-Effective

12/24V
SF-1200/2400/3600 SE
48V
SF-3600/6000
48V
SF-8000/10000
48V
SF-6000/8000 Pro
48V
SX-SEI 4-12KW
48V
SX-SPI 8-10KW
SF-1200/2400/3600 SE 12/24V

Built-in MPPT solar charger丨Compatible with lithium, lead-acid and GEL batteries丨Equalization charging function丨CE, IEC62109-1丨SunSync APP available

SF-3600/6000 48V

Dual AC outputs for smart load management丨Support generator input丨Dust-proof filter for harsh environment丨CE, IEC62109-1丨SunSync APP available

SF-6000/8000 48V Pro

Up to 6 units in parallel for capacity extension to 36/48kW丨Plug-and-play quick connection MC4 PV terminals丨CE, IEC62109-1丨SunSync APP available

SF-8000/10000 48V

Two MPPTs, max. string current 22A , max. solar input 12kW丨Plug-and-play quick connection MC4 PV terminals丨CE, IEC62109-1丨SunSync APP available

SX-SEI 48V 4-12KW

Most Durable Model丨360 Degree IP65 Protection丨Hybrid Inverter With On/Off Grid Function

SX-SPI 48V 8-10KW

Split-Phase Funciton 丨Have Three-Phase Version丨Parallel Operation Up To 6 Units丨Two MPPT Charger 

Product Compare List

Model
SF-1200/2400/3600 SE
SF-3600/6000
SF-6000/8000 Pro
SF-8000/10000
Model No

SF-1200 SE
SF-2400 SE
SF-3600 SE

SF-3600
SF-6000

SF-6000 Pro
SF-8000 Pro

SF-8000
SF/10000

Key Feature
  • Built-in MPPT solar charger
  • Compatible with lithium, lead-acid and GEL batteries
  • 30V Low Inverter start voltage,Work with 1 pcs solar panel
  • Multi-customized modes for diverse scenarios
  • Dual AC outputs for smart load management
  • Wide PV input voltage range 30Vdc-500Vdc
  • Plug-and-play quick connection MC4 PV terminals
  • Support generator input
  • Up to 6 units in parallel for capacity extension to 48kW
  • Two MPPTs, max. string current 22A , max. solar input 10kW
  • Plug-and-play quick connection MC4 PV terminals
  • Dual AC outputs for smart load management
  • Dual AC outputs for smart load management
  • Two MPPTs, max. string current 22A ,
  • Plug-and-play quick connection MC4 PV
  • Wide PV input voltage range 30Vdc-500Vdc terminals max. solar input 12kW
AC input Voltage (AC)

230Vac/Sinusoidal (utility or generator)

230Vac/Sinusoidal (utility or generator)

230Vac/Sinusoidal (utility or generator)

230Vac/Sinusoidal (utility or generator)

Battery Voltage (V)

12/24V

48V

48V

48V

Battery Type

Lithium LiFePO4/Lead-Acid/Flood /User defined

Lithium LiFePO4/Lead-Acid/Flood /User defined

Lithium LiFePO4/Lead-Acid/Flood /User defined

Lithium LiFePO4/Lead-Acid/Flood /User defined

Output power

1200W/2400W/3600W

3600W/6000W

6000W/8000W

8000W/10000W

Output Voltage (AC)

220/230/240 Vac ± 5%

220/230/240 Vac ± 5%

220/230/240 Vac ± 5%

220/230/240 Vac ± 5%

MPPT Controller

Yes

Yes

Yes

Yes

Max pv input Power

2000W/3000W/4000W

4000W/6000W

6000W/10000W

10000W/12000W

Max pv input voltage (DC)

450Vdc/450Vdc/500Vdc

500Vdc

500Vdc

500Vdc

Output Voltage Waveform

Pure Sine Wave

Pure Sine Wave

Pure Sine Wave

Pure Sine Wave

Smart Control App

SunSync APP

SunSync APP

SunSync APP

SunSync APP

Why choose our off gird solar inverter ?

  • All Power Range ,From 1Kw to 12Kw .
  • All Price Range Inverter , Always meet your budget.
  • Factory Fast Delivery , Below 20 Pcs all have stock. 100pcs can delivery in 10 days
  • True Warranty Policy, Commit to our responsibility
  • We provide OEM services ,Enlarge your brand influence
  • With CE, IEC, ROHS Certificate.

Everything you need to know about high Frequency off grid solar inverter

What is High Frequency Off grid solar inverter?
Sunflx high Frequency Off grid solar inverter is All-In-One combination of Solar inverter , AC charger and MPPT Solar Controller. Off grid solar inverter can draw power from both solar panel and grid to supply electricity to load. Function converting the Direct Current (DC) from solar panels into Alternating Current (AC), the form of electricity used in most homes and businesses

High Frequency inverter advantage is : 1. Compact size 2. Much less weight ,Easy to install . 3 high conversion efficiency 4. Cost-Effective

The “High Frequency” aspect refers to the operating frequency of the inverter’s internal components, specifically the transformer.

How it works ?

Off grid solar power system is when your solar panel remains connected to the grid and also has a backup battery system to store power produced by the solar panel. Off grid solar power System includes: Solar Panel, off-grid solar inverter, Backup battery, and accessories.

In the daytime, the solar panel will generate electricity for household load, at this time, inverter will charge the battery .

In the Night, The inverter will take power from the battery to supply household appliances. When the battery power is low, the Grid will continue to supply electricity to the load from inverter bypass circuit. and at this time you can also choose to charge the battery from Grid through the inverter.

Application

Remote Locations: Ideal for areas without grid access or with frequent power outages. Like Rural Homes and Farms ,Mountain Cabins and Retreats,Island houses ,Eco-Tourism Facilities,Mobile Clinics and Schools,Outdoor Recreational Activities etc.

Residential/Small Commercial Use: Suitable for homes or small businesses needing a reliable power source.

What is the main component of high Frequency off grid solar inverter ?

1.DC to AC Conversion Circuit

  • Inverter Bridge: Converts DC from the solar panels or batteries into AC power.
  • High Frequency Transformer: Smaller and lighter compared to low frequency transformers, used to change the voltage levels.

2.Microprocessor Control Unit

Manages the conversion process, ensuring the output is suitable for appliances.

  • Filters: Smooth out the electrical waves to ensure a clean, stable AC output. For example need pure sine wave output to make sure your motor appliance like air conditioner , refrigerator to start normally.
  • Regulators: Maintain consistent voltage and frequency.

3.Filter and Output Regulator

While Natural Heat Sinks (Passive Cooling) is Rely on heat sinks (usually metal fins or plates) that absorb and dissipate heat into the surrounding air naturally. they are Less effective at cooling than active systems, but sufficient for lower power or well-ventilated inverters , Natural Heat Sink is working silent as there are no fans inside and maintenance-free.

Prevent overheating, which is vital for maintaining efficiency and longevity. Fan Cooling is built-in fans to actively circulate air and dissipate heat from the inverter’s components , it is more effective in cooling, especially for power inverters and where ambient temperature is high.

4.Cooling System: Fans or Nature Heat Sinks

Built for all kind of protection functions : Overload ,Short Circuit Protection ,Surge Protection and so on. the protection circuit are Guards against any unexpect problem happens.

5. Protection Circuits

Ensures the battery bank is charged from solar panels or the grid.

6. Battery Charger

Allows remote monitoring and control of the inverter.

7. Communication Ports

How to choose the right off grid inverter ?

1.Determine Your Power Requirements

Assess Your Load: Calculate the total wattage of all the devices and appliances you plan to power. Include items like lights, refrigerators, TVs, and any other electrical equipment.
Consider Peak Load: Some appliances, like refrigerators or pumps, have higher start-up power requirements. Ensure the inverter can handle these peak loads.

Match with Solar Panels: Your inverter should be compatible with voltage and Current characteristics of your solar panel array. for example your solar array Voc votlage is 120V, then you will need an inverter with Max PV input over 120V ,then can work with your solar array. 
Consider Future Expansion: If you plan to add more panels later, choose an inverter that can accommodate this. For example right now you only have 5 solar panel total 1500W. and maybe in the future you will think about to increase them to 3000W. so you would better choose a inverter which Max PV input power 3000W from the very beginning.

2.Evaluate Solar Panel Compatibility:

Voltage Compatibility: Ensure the inverter matches the voltage of your battery system (12V, 24V, 48V, etc.).
Battery Type: Some inverters are better suited for certain types of batteries (like lead-acid or lithium-ion). Check compatibility. Sunflx inverter can work perfectly with lead-acid and lithium-ion. So this will not need to worry.

3.Battery Compatibility

High Conversion Efficiency: Look for inverters with a high efficiency rating (usually above 90%). Sunflx inverter convert efficiency is from 92%-95%. Performance above Standard !
Maximum Power Point Tracking (MPPT): MPPT technology maximizes the power extraction from solar panels, especially under varying light conditions. Sunflx All inverter are equip with MPPT solar charger with 98% charging efficiency .

4. Efficiency and Performance

Temperature Tolerance: Check the operating temperature range, especially if you live in a very hot or cold climate.
Protection Features: Look for inverters with protection against overloads, short circuits, and over-temperature.

5. Environmental Conditions

Size and Weight: Ensure the inverter’s physical dimensions fit your installation space.
Ease of Installation: User-friendly installation and setup are important, especially if you plan to do it yourself.
Maintenance Requirements: Consider how easy it is to maintain and service the inverter.

6. Installation and Maintenance

Remote Monitoring: Some inverters offer the ability to monitor performance remotely, which can be a handy feature.
Expand ability: If you might expand your system in the future, choose an inverter that can grow with your needs.

7. Additional Features

Cost: Balance your budget with the features and reliability you need.
Warranty and Support: Look for a product with a good warranty and accessible customer support.

8. Budget and Warranty

Safety and Quality Certifications: Ensure the inverter meets relevant international safety and performance standards.

9. Certifications and Standards

Manufacturer Reliability: Research the brand’s reputation for quality and service.

10. Brand Reputation

To do the solar system Configuration is a professional work, you can consult your local solar technician. We also have a Automatic Solar System Configuration Tool. Input your system basic info, it can design your off grid solar system in 1 second ! You can contact us to get it . it is Free !

Product Certificate

More Details

Email

sales@sunflx.com

Contact No/WhatsAPP

+86-18606636626

Address

51 Back Street, Tianxiang Road, Tianxiang Road Community, Wanchun Town, Chengdu, Sichuan, China

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