Name: PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function
Brand: Qingdao Greef New Energy Equipment Co., Ltd
SKU: FKJ-GT-B
Price: 12399 USD
Availability: InStock

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PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function

off grid charge controller

off grid solar charge controller

Place of Origin:

CHINA

Brand Name:

GreeF

Certification:

Model Number:

FKJ-GT-B

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PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function

Product Details

Product Name:

Off Grid Wind Turbine Controller

Type:

AC To DC Converter

Function:

Rectifier,control,DC Output

Display:

LCD Screen

Certification:

Output Type:

Packaging:

Carton Or Plywood Case

Application:

Wind Turbine Or Generator System

Warranty:

1 Year For Free

Color:

Blue

Highlight:

off grid charge controller

off grid solar charge controller

Payment & Shipping Terms

Minimum Order Quantity

1 Set

Packaging Details

Foam + Plywooden Case

Delivery Time

10-20 working days

Payment Terms

L/C, T/T, Western Union

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Product Description

Off Grid Wind & Solar Hybrid Controller

Product Description

FKJ-B OFF GRID CONTROLLER Characteristics
1	Big LCD Display real-time wind turbine voltage, current, solar panel voltage, current, DC output voltage and current, total power generation. (The main board is with button battery, in case of power failure, history data can be saved for 30 days)
2	PWM constant voltage system & Three-phase dump load system.
3	The controller can be equipped with mechanical yawing, rotate tail control, furled empennage, mechanical brake,hydraulic brake, electromagnetism brake and other brake functions foror the different wind turbine
4	Support WIFI and GPRS Customers can monitor the real-time working state via PC & mobile and query history working state.
5	Manual three-phase dump load switch The wind turbine will brake by using the switch.
6	Emergency stop switch The wind turbine will immediately brake when press down the emergency stop button

Technical Data

Type	FKJ-B 500W	FKJ-B 1KW	FKJ-B 3KW
Wind turbine rated power	500W	1KW	3KW
Wind turbine Max. power	1KW	2KW	6KW
Battery	12VDC	24VDC 48VDC	24 48 96 110 220VDC
Function	Rectifier,charge, control,DC output
Automatic protection function	Over voltage protection, network electric cut off protection, regulated supply output, arrester
Manual function	Manual brake, reset, emergency switch
Display mode	LCD+LED
Display content	Wind turbine voltage, current, power; Solar voltage, current, power; DC output voltage, DC output current, DC output power, total power.
PWM constant voltage	≥14Vdc	≥29Vdc	≥116Vdc
Wind turbine 3-phase dump load voltage	15±1Vdc	30±1Vdc	120±2Vdc
Solar control stop charging voltage	15±1Vdc	29±1Vdc	120±2Vdc
PWM fuse	50A	50A	40A
Fuse of DC output	63A	63A	63A
Work environment temperature	-30-60°C

Type	FKJ-B 5KW	FKJ-B 10KW	FKJ-B 20KW
Wind turbine rated power	5KW	10KW	20KW
Wind turbine Max. power	10KW	20KW	40KW
Wind turbine rated voltage	48-240VDC	120-240VDC	420VDC
Function	Rectifier,charge, control,DC output
Automatic protection function	Over voltage protection, network electric cut off protection, regulated supply output, arrester
Manual function	Manual brake, reset, emergency switch
Display mode	LCD+LED
Display content	Wind turbine voltage, current, power; Solar voltage, current, power; DC output voltage, DC output current, DC output power, total power.
PWM constant voltage	≥48-240Vdc	≥145-290Vdc	≥507dc
Wind turbine 3-phase dump load voltage	300±5Vdc	300±5Vdc	520±5Vdc
Solar control stop charging voltage	300±5Vdc	300±5Vdc	520±5Vdc
PWM fuse	32A	63A	80A
Fuse of DC output	40A	100A	125A
Work environment temperature	-30-60°C

Type	FKJ-B 30KW	FKJ-B 50KW
Wind turbine rated power	30KW	50KW
Wind turbine Max. power	50KW	480KW
Wind turbine rated voltage	420VDC	420VDC
Function	Rectifier,charge, control,DC output
Automatic protection function	Over voltage protection, network electric cut off protection, regulated supply output, arrester
Manual function	Manual brake, reset, emergency switch
Display mode	LCD+LED
Display content	Wind turbine voltage, current, power; Solar voltage, current, power; DC output voltage, DC output current, DC output power, total power.
PWM constant voltage	≥507dc	≥520dc
wind turbine 3-phase dump load voltage1	520±5Vdc	520±5Vdc
Solar control stop charging voltage	520±5Vdc	520±5Vdc
PWM fuse	100A	100A
Fuse of DC output	180A	200A
Work environment temperature	-30-60°C

Detail Pictures

PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function 0

PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function 2

Packaging & Shipping

1. Greef generator use inner foam protection, outer Plywooden case.

2. Package size and weight, please contact our sales.

3. Shipping by sea with FCL LCL or by air or by Express (DHL/FedEx/TNT/UPS etc.).

If you have any request in package and shipping, please tell our sales.

We will do according to your request.

PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function 3

Our Services

The controller is 1 year warranty for free, All lifelong technical support and part cost supply.

(1) The warranty period is start from the date of shipment which show on the Bill of Loading or Air Waybill.
(2) Free maintenance services during the warranty period the cost involved be borne by the company, do not charge a fee to customers, free warranty if any damage outside the warranty period, the company will charge a fee for labor costs and materials.
(3) the warranty period, company's quality problems caused by the maintenance of the freight borne by the company, if not under warranty or man-made damage, the freight charges by the customer.

PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function 6

Other Hot Products

GREEF can also provide :

^{On grid controller / inverter}

^{Off grid wind controller}

^{Off grid wind solar hybrid controller}

^{Off grid inverter}

Any new inquiries, please kindly contact us for free.

Ratings& Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

B*n

Sweden Oct 17.2025

Helpful (8)

My farm is 30 kilometers from town, and connecting to the power grid would cost a fortune. Three years ago, I installed a solar panel system with a battery bank. It was sufficient during spring, summer, and fall, but in winter, we often had a week of consecutive overcast days—and the batteries would run out in just three days. Last year, I decided to add a variable-pitch wind turbine, connected it to the AC coupling port of the Deye inverter, and set up a hybrid solar-wind system. Throughout the entire winter, the battery level never dropped below 45%, and I never had to work in the dark again. The Deye app allows me to monitor both the solar and wind turbine data simultaneously, and the transition between them is so smooth it’s almost imperceptible. Relying solely on solar power during winter on a Nordic farm is a gamble. Only by combining a variable-pitch wind turbine with a Deye inverter—creating a wind-solar hybrid system—can you get through the winter with peace of mind.

E*c

France Jul 17.2025

Helpful (2)

Since installing this variable-pitch wind turbine, the battery hasn’t run low again. Before, I used to worry whenever we had consecutive overcast days and light winds in the winter, but now it can even charge the battery in low winds. Best of all, it doesn’t suddenly start screeching during gusts, so it doesn’t disturb my family’s sleep. The installer also mentioned that variable-pitch turbines are easier to calibrate than fixed-pitch ones. I give it five stars!

J*n

Norway Apr 8.2024

Helpful (4)

I run a small dairy farm in northern Norway, far from the power grid. A few years ago, I installed solar panels and a Deye inverter, but the solar system basically stops working in winter, and the diesel generator was costing me a fortune. This year, I added this variable-pitch wind turbine and connected it to the Deye inverter for a hybrid solar-wind system, and we haven’t had a single power outage all winter. This wind turbine starts up at low wind speeds of just 2–3 on the Beaufort scale. During blizzards, the blades automatically pitch down to slow the turbine, preventing runaway speeds, and it’s much quieter than my neighbor’s fixed-pitch model. The Deye inverter’s switching logic is smart—it prioritizes solar power when available, and automatically switches to the wind turbine when solar output drops. It’s all clearly visible on the app. Now, the diesel generator is practically idle. Wind and solar backing each other up—that’s true off-grid freedom.

Tags：

Qingdao Greef New Energy Equipment Co., Ltd

PWM Off Grid Controller , Wind Generator Charge Controller WIFI Function

off grid charge controller

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off grid charge controller

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Overall Rating

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343 X 605 X 970mm Off Grid Controller with AHCC and Unloading Method PWM

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