Solar charge controller with LCD display

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Product Description:

1. The  charge controller  automatically recognize 12V or 24V system.

2.  Mainly  suitable for  small  off-grid solar  power  system, for  example:  home solar  power  systems, ships, self-service base  stations,  outposts, etc.

3. LCD display various parameters of charge and discharge.

4. Boost charge voltage and battery low voltage protection point can be adjustable
5. The three-stage PWM charging mode

6. Load output can be manually controlled。

7. With high-precision temperature compensation function.

8. With electronic protection


Technical  Data

 MODELSNC10     SNC20    SNC30    SNC40  
 Max.solar  panel  current10A            20A          30A            40A      
 Max.  load  current10A            20A          30A            40A      
 NO-load  current 10MA
 Overvoltage  protection 15.5V(12V),  31V/24V;
 Work  temperature  range:

-35℃--+55℃

 Boost  voltage

14.6V(12V),  29.2V/(24V)

 Equalization  voltage

14.8V(12V),    29.6/(24V)

Float  voltage

13.8V(12V),    27.6V/(24V)

Recharge  voltage

 13.2V(12V);  26.4/(24V);

Temperature  compensation

-5mv/℃/2V

Low-voltage  disconnect

11V(12V);      22/24V;

Load  reconnect  voltage

 12.6V(12V),      25.2/24V

Charge  control  mode

PWM

diplay  mode

 LCD


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Q:The principle of solar controller
Solar energy is a kind of radiant energy, it must be by means of energy conversion device can be transformed into electric energy.This kind of radiant energy into energy energy conversion device, is the solar cell.C solar cell is the use of photoelectric conversion principle of the sun's radiation through the semiconductor Material conversion into electrical energy devices, this photoelectric conversion process is often called "photovoltaic effect", solar cells, also known as "photovoltaic cells." When the sunlight to the P, N type two different types of conductive semiconductor Material under the PN junction, under certain conditions, the solar radiation is absorbed by the semiconductor material to form a built-in electrostatic field.If the two sides from the built-in electrostatic field leads to the electrode and connected to the appropriate load, it will form a current, which is The basic principle of solar cells. Monolithic solar cell is a thin piece of semiconductor PN junction. Under standard lighting conditions, the rated output voltage is 0.48V. In order to obtain a higher output voltage and larger capacity, often more than one solar cells connected together , At present, the solar cell photoelectric conversion rate is generally around 15%, individual developed countries, laboratory solar cell photoelectric turn The rate has been able to reach about 30%.
Q:Solar controller can not charge what is the reason
Direct charge protection point voltage: direct charge also called emergency charge, are fast charge, are generally in the battery voltage is low when the use of high current and relatively high voltage on the battery charge, but there is a control point, also known as protection points, Is the value in the table above, when charging the battery terminal voltage higher than the protection value, should stop charging. Direct charge protection point voltage is generally "overcharge protection point" voltage, the battery voltage when charging the battery can not be higher than the protection point, otherwise it will cause overcharge, the battery is damaged
Q:How does the solar controller set up Sheung Shui?
Click the timer key, there are addition and subtraction keys can be set, the specific I did not use Norit big, do not know, you still consult their customer service department, the instructions should also have.
Q:Solar panels for solar panels
Solar controller is composed of dedicated processor CPU, electronic components, monitors, switching power tubes and other components.
Q:How to adjust the solar controller
The controller through the computer chip on the battery terminal voltage, discharge current, ambient temperature and other parameters related to the battery capacity of the sample, through the special control model calculation, to achieve the characteristics of the battery discharge rate, temperature compensation correction of high efficiency, high accuracy rate control , And adopted a high efficiency PWM battery charging mode, to ensure that the battery work in the best condition, greatly extending the battery life. With a variety of work patterns, output mode selection, to meet the various needs of users.
Q:What is a solar controller?
Can control the solar street light, the switch controller is the solar controller; domestic well-known brands should be far away power and the exchange of energy to the sun in the science and technology in Beijing; we are the power to do LED lighting business is brand goods
Q:What is the system voltage of the solar controller?
The system voltage is the voltage you use the battery, such as 12V or 24V. According to your overall configuration, if your battery is a working voltage of 18V, then the system voltage can only use 12V, 36V is used on the 24V.
Q:Solar controller does not heat how to heat
The above heating of the controller is in the absence of the sun and you need to use hot water to add, so that you can use hot and cold weather.
Q:Choose a solar controller which need to have a few conditions
To buy a solar controller must know the power of the solar panel and the load power to be used to determine the controller's charging current and discharge current. General solar controller are 12v / 24v automatic identification. Discharge current = load power / 12v, charge current = battery power / battery board voltage. The voltage of the panel can be set with the multimeter DC. The short-circuit current of the panel uses a clamp meter to test the current. So the battery power = voltage * current, basically know the power of the solar panel. The battery charge current will know. The current range of the controller is greater than the charging current of the solar panel and the discharge current of the load.
Q:How the inverter is connected to the solar controller
At present, the general 12V inverter is not 2000W. Solar controller separation network and grid, do not know what you say.

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