Regulator For Solar Panel

Regulator For Solar Panel

Product name:PWM solar charge controller 50A
Model No.:CL12/24- 50DU
Working principle:PWM Solar Charge Controller is a photovoltaic (PV) charge controller that tracks the PV array to deliver the available current for charging batteries. When charging, the Controller regulates battery voltage and output current based on the amount of energy available from the PV array and state-of-charge of the battery.



50a pwm regulator controller information

Professional Manufacturer Of PWM controller regulator for solar panel 

Our CL series  is an economical and traditional PWM solar controller. It can not noly extend the service life of battery, but also provide necessary protection over the whole system. We own its outlook design patent. The double buttons and LCD screen show you the working paramters of the whole system, clear and understandable. This series is widely applied in solar home system, traffic signal, solar lighting system etc.

Technical Data for CL50a solar panel controller





PV input voltage


Rated charge current



System voltage

12V/24V Auto

Battery over-voltage protection voltage

16.00V×1/×2/×3/×4 (0.5V differents)

Rated discharge current




Charge loop voltage drop


Discharge loop voltage drop

≤ 0.1V

Charging mode

PWM 4 stages (bulk, absorption,float,equalized)

Float Charge Voltage


Absorption charge voltage

14.4V(13V~15V) ×1/×2/×3/×4

Duration of Absorption Charge


Voltage of equalized charging *

14.6V(13V~15.5V) ×1/×2/×3/×4

Duration of equalized charging


Low voltage disconnection

10.7V(10V~14V) ×1/×2/×3/×4

Low voltage reconnection

12.6V(10V~14V) ×1/×2/×3/×4

Load working mode

Regular control mode,Light control with switch-off point at night and switch-on point before dawn,Light control mode

Light control voltage

5V(1V~10V) ×1/×2/×3/×4

Battery type





LCD,2 buttons


PCB terminal, ≤25mm2

Working temperature

-20 ~ +55 °C

Storage temperature

-30 ~ +65 °C

Working humidity

10% ~ 90%, no condensation





IP code


Optional function

Remote communication,TTL, standard ModBus protocol

Connection diagram


About 50 amps solar panel controller

1. Image of LCD graphic symbol

2. Simple button operation

3. Automatic Identification System Voltage level

4.Intelligent PWM charge mode

5. Automatic Temperature Compensation

6. Adjustable charge-discharge control parameters

7. Settable Operating mode of Load

Application for solar charge controller

Our Advantage

Our factory

Our market



Q:What is a Solar Charge Controller? Why do I need one?

A charge controller, or charge regulator is basically a voltage and/or current regulator to keep batteries from overcharging. It regulates the voltage and current coming from the solar panels going to the battery. Most "12 volt" panels put out about 16 to 20 volts, so if there is no regulation the batteries will be damaged from overcharging. Most batteries need around 14 to 14.5 volts to get fully charged.

Q: What's A PWM solar charge controller ?

A PWM solar charge controller stands for “Pulse Width Modulation”. These operate by making a connection directly from the solar array to the battery bank. During bulk charging, when there is a continuous connection from the array to the battery bank, the array output voltage is ‘pulled down’ to the battery voltage. As the battery charges, the voltage of the battery rises, so the voltage output of the solar panel rises as well, using more of the solar power as it charges. As a result, you need to make sure you match the nominal voltage of the solar array with the voltage of the battery bank. *Note that when we refer to a 12V solar panel, that means a panel that is designed to work with a 12V battery.  

Q:What kind of payment do you accept?

A:We accept T/T, Paypal, Western Union for samples order.

Q:Can we print our company logo on product and package?

A:Yes,but quantity of order is required. And we also need you to offer the Trademark authorization to us.

Hot Tags: regulator for solar panel, China, manufacturers, suppliers, factory, wholesale


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