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Mini Solar System Controller

20A 12 24V auto PWM low self consumption battery charge controller

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Product Details

mini solar system controller

1.Product introduction of the mini solar system controller

ENS1224-20D is a 20A PWM solar charge controller with digital display. It adopts different charge ways based on different batteries and environment. LCD display with 4 bottoms to change different screens,double solar panel inputs applied and the bottom is used aluminum alloy.

2.Product parameter (specification) of mini solar system controller

20A PWM solar charge controller with LCD display.png3.Product feature and application of mini solar system controller 

ENS1224-20D solar charge controller is a PWM solar charge controller.Simple appearance,CE RoHS certificated,quality is reliable.This series product product is 12/24V,24/48V system voltage auto recognition and switch.It is designed in 3 appearance with different materials and colours according to different voltage and current.LCD digital display function offers a convenience to understand the working status in every stage timely,and it is possible to monitor and control the working status of the system and the battery as you wish.

-12/24 automatic recognition.

-High efficient series PWM charging, increase the battery lifetime and improve the solar system performance.

-Use OSFET as electronic switch, without any mechanical switch.

-Gel and lead acid sealed battery type optional.

-Electronic protection: overheating , overcharging, over discharging, overload, and short circuit.

-Reverse polarity protection: any combination of the solar module and the battery.


 Tell me about your warranty.

Depending on the products, we offer 1.5 or 2 year warranties. I will be happy to show you're the process, if you are interested.

a. Customer claims the faulty items, about the faulty description.

b. Customer provides serial number, photos or videos of the faulty items

c. Our Q&C department check the photos and videos, then we will reply within 72hours during working days.

d. Depending on the situation, we will ship replacement part or replacement units."

5.About the solar charge Controllers

A charge controller is an essential part of nearly all power systems that charge batteries, whether the power source are solar panels, wind, hydro, fuel, or the utility grid. Its purpose is to keep your deep cycle batteries properly fed and safe for the long term.

The basic functions of a controller are quite simple. Charge controllers block reverse current and prevent battery overcharge. Some controllers also prevent battery overdischarge, protect from electrical overload, and/or display battery status and the flow of power.

Block reverse current:

Solar panels work by pumping current through your battery in one direction. At night, the panels may pass a bit of current in the reverse direction, causing a slight discharge from the battery. (Our term "battery" represents either a single battery or bank of batteries.) The potential loss is minor, but it is easy to prevent. Some types of wind and hydro generators also draw reverse current when they stop (most do not except under fault conditions).

In most controllers, charge current passes through a semiconductor (a transistor) which acts like a valve to control the current. It is called a "semiconductor" because it passes current only in one direction. It prevents reverse current without any extra effort or cost.

In some older controllers, an electromagnetic coil opens and closes a mechanical switch (called a relay - you can hear it click on and off.) The relay switches off at night, to block reverse current. These controllers are sometimes referred to as call shunt controllers.

If you are using a solar panel array only to trickle-charge a battery (a very small array relative to the size of the battery), then you may not need a charge controller. This is a rare application. An example is a tiny maintenance module that prevents battery discharge in a parked vehicle but will not support significant loads. You can install a simple diode in that case, to block reverse current. A diode used for this purpose is called a "blocking diode."

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