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Buck Type constant current IC PWM Solar Charge Controller 12V 24V 5A 10A 15A 20A with remote IP68 Waterproof

JN-WH series 5A 10A 15A 20A 12V/24V automatic constant current pwm with light controller all-in-one adopts infrared wireless communication technology, constant current machine with the remote control can realize the pwm solar charge controller manual parameter Settings.Users can set different control parameters according to actual condition, make the system work in the optimal state.

  • Place of Origin:

  • Brand Name:

  • Model Number :

  • Rated Voltage:

    12V/24V automatic
  • Maximum Current:

    5A 10A 15A 20A
  • Certification:

    CE & ROHS
  • Warranty:

    3 Years
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  • product introduction
  • More Details

JN-WH Buck type Constant Current Solar Charge Controller Using Instruction

I. product description

JN-WH series buck type constant current controller all-in-one adopts a new way of digital constant current source design, it have adjustable parameters, the LED current is adjustable, the power set of new features.,with high efficiency, high power density, lamp bead series driver, multistage dimming, etc.

II.Main Feature

1. Brand new wireless remote control design, through the handheld device can modify the controller parameters;

2. Data communication USES the handshake protocol and data compression algorithm for many times, makes a fast data transmission;

3. Real constant current control, are free to set the constant current value, based on constant current value of the dimming technology;

4. IP68 waterproof rating, aluminum design, can effectively prevent all forms of corrosion.

5. The highest efficiency of 99%;

6. Automatic dimmer mode can be regulated according to battery power load power of solar controller pool;

7. Four times dimmer design, working time 0 ~ 15 hours can be set, 0% ~ 100% power can be set;

8. Improved three-step charging algorithm, effectively prevent the battery inequality and sulfuration, improve battery life..

9.Over-charges, over discharge, short circuit protection and overload protection as well as electronic protection against reverse polarity.

III.Technical parameters of solar controller amperage

System voltage

12V/24V Auto

System current


Discharge current

Can be set up by the remote control, range 0.33 ~ 3.30 A, A default: 0.33 A

Rated power

12V->45W/×2/24V ->90W

Solar input voltage

< 55V

Short circuit protection


Equalizing charge voltage

14.7V; *2/24V(25℃), hold time1 hour

Float charge voltage

Through remote control set,defaults to:12V->13.8V/×2/24V ->27.6V

Improve charging pressure

Through remote control set,defaults to:12V->14.4V/×2/24V ->28.8V

Over discharge voltage

Through remote control set,defaults to:12V->12.5V/×2/24V ->25.0V

Charge return voltage

Through remote control set,defaults to:12V->10.8V/×2/24V ->21.6V

Light control OPEN voltage

Through remote control set,defaults to:12V->4.0V/×2/24V ->8.0V

Light control CLOSE voltage

Through remote control set,defaults to:12V->8.0V/×2/24V ->16.0V

Temperature compensation


Current Accuracy


No-load consumption

< 25mA

lamp bead in series amount

12V->13PCS//24V ->46PCS

Working temperature


Protection level


Net weight




IV. Status indicator


indicates content



radiator of battery charge controller

charging instruction


Fill charge


Float charge

put out

Solar panel no voltage

battery instruction



put out

not normal


Battery under-voltage






put out

Load off

Fast flashing

load open

Slow put out

Light control turn off the lights

V.Load requirements

Voltage grade

lamp bead in series amount

Lamp bead in parallel amount

Rated power









Note: if you need more powerful, need to customize, please state it clearly before placing orders, and delay the delivery date 2 days.

VI.Load working mode
JN-WH series constant current all-in-one load working hours can be divided into four periods, each period of working time and power can be adjusted, and different combination can realize different control mode.
6.1 Normal working mode
6.2. Delay light mode: for example, set phase 1 working hours is 4 hours, phase 1 power is 0%, the system will be delayed four hours to turn on the light.

6.3 Double time morning light patterns: for example, set phase 3 working time is 4 hours, phase 3 power is 0%, the system is going after the phase 1 and phase 2 working hours will be shut down load for four hours, and then goes into phase 4 to keep working until the morning.(note: this mode of double time without night length correction function, different season morning light time will differ)

Adjust the project

Parameter range


because of  the current limit, so please note when setting up power not less than 0.33A, for example: full power current of 1A, so can't set of less than 30% of the power, and so on, of course, no limitation for zero power.

Phase 1 working time(hour)

015 hour


Phase 1 working power

0% 100%


Phase 2 working time(hour)

015 hour


Phase 2 working power

0% 100%


Phase 3 working time(hour)

015 hour


Phase 3 working power

0% 100%


Phase 4 working time(hour)

015 hour


Phase 4 working power

0% 100%


6.4  Automatic dimmer mode
When the user opens the "automatically adjusting mode" , the controller into intelligent power control mode, the LED load power will automatically adjust according to the capacity of the battery.Users to set working hours at this time are still valid, and the load power is invalid.

VII.installation and wiring
JN-WH series constant current all-in-one can work under 12V or 24V system voltage, when used in the following order, please connect:
A)Connect the lamps to the controller’s load side (the fourth and fifth wires, red positive, black negative);
B) Connect the battery, solar panels positive together, then connected to the controller’s the third wire (red);
C)Connect the battery negative to the controller‘s the second wire( black) : if the connection is correct, the controller’s indicator light will flashing,the LED lights delay for a few seconds, otherwise, please check the connection is correct or not;
D) connect the solar panel’s negative to the first wire (black) : if there is sunshine, the solar panels indicator light will bright lights, after the LED lights in light-operated will go out, otherwise, please check the connection is correct or not.



The wiring diagram as shown in the figure below:


wiring diagram for solar panel controller


VIII.dimensional drawing

Dimensions: 70*81*20 (mm)  

Installation size: 45*76 (mm)
Install Aperture: 3.5 (mm)


Buck type Constant Current Solar Charge Controller Size

Product Details:

Buck type Constant Current Solar Charge Controller product function

Similar products:


 solar controller home depot  IC PWM Solar Charge Controller 12V   PV Solar hybrid controller                portable solar controller

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