China 11 Yrs
Solar Controller
Off Grid Solar Inverter Manufacturer

Design For Durability ,Built To Last

Warranty Products Made For Africa ,South Asia ,Central America.
Professional Export Team, Solar Importer& Distributors Right Choice! !

Off Grid
Solar Storage Inverter

SF-1200/2400/3600 SE
SF-6000/8000 Pro

Off Grid Solar Storage Inverter

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 

SX-LF Series 24/48V 1-6KW

0.7-40Kw Inverter Output丨Intelligent LCD display丨220V version

SX-WF Series 12V-384V 0.7-40KW​

0.7-40Kw Inverter Output丨12/24/48/96/192V Battery voltage丨Intelligent LCD display

SX-DP Series 12/24/48V 1-7KW

1-6Kw Inverter Output丨220V version丨110V and 220V split phase output

Low Frequency
Off Grid Solar Inverter

SF-WF 0.7-40KW​

Solar Portable Generator

SF-ESS 0.5-6KW
  • MPPT Solar Charge Controller, Pure sine inverter , lithium Battery and AC charger All In One
  • low frequency transformer type inverter, Much more stable
  • Builit-in 220V AC output socket, 12V and 5V DC output , Minimum of wiring, just Plug and play
  • With wheels , easy to move around

Our Services

OEM. ONE-STOP, And Consult

Our services include customized production and a full range of solar products, with additional benefits such as:

  • Options for color, logo, and parameters
  • Fast sample creation
  • Acceptance of small batch orders
  • A full range of products including Solar panels、Inverters、Controllers、Batteries、Accessories
  • Free solar system design tailored to your needs

Order Production

Customized professional production for your brand, offering fast sampling and accepting small batch orders.

Solar Product Purchase

Solar panel, Solar Inverter, Solar Controller, Solar Battery, Solar Cable, Solar bracket , We provide them all!

Free Off Grid
Solar System Configuration

Just tell us your system demand, we will design
a cost-worth solar system for you!

Our Factory

See how we produce your products

Factory Tour

SUNFLX general manager Mr. Tom will show you around the factory.

Product Testing

We conduct rigorous inspections and functional testing on the inverters.

Factory News

News including customer visits, order production, new product releases, etc.

VR Factory Show

You can tour the entire SUNFLX factory on your equipment by VR without ever visiting in person.

More Factory Details

Learn more about the SUNFLX factory.

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Built for Longevity

We promise 5 years real gurantee

Incredibly DURABLE!

With 19 protection functions , just relax !

  • PV input current/power limiting protection
  • PV input over-voltage protection
  • PV night reverse current protection
  • AC input over-voltage protection
  • AC input under-voltage protection
  • AC output short-circuit protection
  • AC output reverse protection
  • Charging short-circuit protection
  • Synchronization signal fault protection
  • Battery over-voltage protection
  • Battery under-voltage protection
  • Battery over-current protection
  • Heat sink over-temperature protection
  • Inverter over-load protection
  • Bypass over-current protection
  • Bypass phase inconsistency protection
  • Parallel connection error protection
  • Parallel battery voltage difference protection
  • Parallel AC voltage difference protection

What Our Customer Say

When I was looking for suppliers in China, I visited SUNFLX website then contacted them and came to their company to discuss cooperation.They have many product models and also support customize,I ordered 200 units of off grid inverters and started using them when I returned to my country. They’re working really well till now.

Fahad Ijaz

I think it is wise to use Sunflx inverters in Pakistan. Their inverters are durable and they also have good price with efficient service.Their off grid inverters are easy to use and cost lower than others,They perfect fit my requirements.

Muhammad Ali

When I change my previous solar inverters into SUNFLX, I've seen a difference. Their inverters are stable in bad weather ,They are durable and fit our market in Zimbabwe,If I meat anything I don't understand they will explain it to me patiently,Now my shop have more customers,I'm satisfied with their products and service.

Nyasha Nyahundi

I started business with Sunflx for two years. at first i brought two MPPT solar controller from them , their price is good and turned out the products is is satisfactory. later we start inverter orders ,they reply question are fast , Easy to work them.



Can Solar Solutions Meet Ukraine’s Rising Energy Demands?

It’s a customer from Venezuelan who operating an online electrical products store via Instgram, sold cables, circuit breakers and other accessories, providing electrical maintenance services .

A Nigerian customer purchased Sunflx all in one system

In December , the customer sent an inquiry about all in one system through our website Sunflx.The client owns a company that is currently scaling up, want to add the all in one system product line. decided for 2024, have a direct link with a manufacturing company in China. And…

A Venezuelan Customer purchased Sunflx inverter with charger

It’s a customer from Venezuelan who operating an online electrical products store via Instgram, sold cables, circuit breakers and other accessories, providing electrical maintenance services .

How to solve Inverter & battery Communication issues ?

There are various types of lithium batteries on the market, each utilizing different BMS (Battery Management System) communication protocols. If you are unable to view battery information on the APP or display screen after connecting the inverter with the battery (as shown in the photo above), it is very likely…


Got a Question?

All our products have CE certificates, products comply with IEC 62109-1 safety standards, and product quality meets European certification requirements.

If you have specific certificate needs, please feel free to consult our sales representatives, we can also help our client to got any necessary certificate.

For Products under Sunflx brand name ,warranty is below Solar panel : 12 years Solar inverter : 1-5 Year according to different model Solar charge controller : 1-3 Year according to different model Lithium battery : 10 years Gel battery: 3 Years OEM products, warranty will confirm upon your technical requests. For more detail Warranty policy , Please check Here.

The MOQ varies depending on the product. Typically:

Solar inverter :1pcs.

Solar Charge Controller: 50pcs.

Solar Panel :3 pallet (around 93pcs).

Gel Battery: 20pcs.

Lithium battery:1pcs.

Most of regular parameter products such as HF /LF solar inverter, accessories like solar cable, connectors are always in stock. It can be ship once you confirm the order.

We are factory, so we mainly produce products according to our customers’ order. Below is rough delivery time for some customized product.

Solar inverter: 10-15days

All-In-One Solar Portable Generator: 10-15days

solar charge controller: 7 days

GEL/Lithium battery :10-15days

Solar panel :7-14days

Right now, we are invite reputable companies to become our dealer/distributor of our brand products. As long as you comply with below requirements:

  1. Have more than 200 sqm warehouse.
  2. Have good reputation in local market.
  3. Have the ability to do some products installation and solve customer question according to our user manual.

Contact No/WhatsAPP



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

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About Us

With over 10 years of conscious development, SUNFLX now is based in Chengdu City, Sichuan, China.It is a brand of DOD New Energy Co Ltd and it has a Chengdu Marketing & Research headquarters and a Production Base in Guangzhou City. The SUNFLX hardware & software engineer team continuously develops new technology and has gained over 30 patents and has been certified as a “National High-tech enterprise” by 2022.

Additionally, our system provides necessary electricity for remote rural areas that lack a state grid connection. 

About Us

SUNFLX offers excellent quality products and cooperates with worldwide solar brands. We provide OEM and ODM services and offer a range of self-patent products for distributors. SUNFLX assists its distributors with market promotion, customer service, and product maintenance. Additionally, SUNFLX provides a full range of solar equipment and accessories, such as Solar Panel,Hybrid Solar inverter charger,Storage lithium battery ,DC to AC Power inverter ,PWM&MPPT Solar Charge controller ,solar cable& connectors at excellent prices that enable installer clients to have profitable businesses. Our mission is to bring smart green energy to every house, and its vision is to build an energy-sufficient world. 

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