How to choose the right power supply for led strip light ?

May 7, 2018

What is led driver for led strip light?

When we using led strip light , Can we connect the led strip light directly to the AC110V or AC220V ?The answer is "no". Normally the low voltage led strip light is DC12V or DC24V . Actually , led strip light also have DC3V, 5V ,36V,48V led strip light. But they are use in very special projects. Now we are talking about DC12V/24V led strip light.
Led strip light driver is transformer . It change the high voltage AC110V/220V to DC12V/24V. Then the led strip light can safe use.

Do you need a driver when you are using led strip light ?

When you are using led strip light , normally it is DC12V and DC24V. So you need to buy led power supply for the led strip light .


How to power the led strip light ?

Pls check the following photo .

4 points you need to think about before you are buying led power supply

When you are buying led power supply ,3 points you need to know . In this way you can choose the right led power supply , that will good for led strip light long life .



You have to know where you are using the led strip light . Outdoor or indoor , the place humid or dry . If you are using outdoor in humid place ,or the place can be raining then you need waterproof power supply . If use indoor , the place is dry . Just like in ceiling , kitchen cabinet, TV cabinet ,then not waterproof driver is enough.


waterproof power supply

We can see from the appearance of the power supply . normally the shell is plastic or aluminum. The shell is seal like a sealed tin . Normally , It is using silicone sealant to seal electronic components.

Not waterproof power supply

The not waterproof led driver normally as below. Outside shell is make by aluminum . And have holds for heat dissipation. The same wattage , not waterproof driver price is cheaper than waterproof driver.

2,DIY user/Home user

We DIY use ,the place not use many led strip light ,few meter led strip light , then we don't need to use BIG power supply , we can select the power supply as below. Wall-mounted power supply and desktop power supply. The wall mounted power supply normally the wattage is not big , 1A,2A,3A. Desktop power supply is bigger , 4A ,5A ,6A. So this will convenience for us only when we do some small DIY lighting .

Wall-Mounted Switching Power Supply

Desktop Power Supply

3, For some special request , some client need more function.


There are 3 kinds of dimmable power supply,different function

I show you the three different way of the dimming . If you want to know more about dimming , you can email us : [email protected]





4,Use brand led driver

I suggest you buy brand led power supply . I use many power supply , but more or less they will have problem . And I use MEANWELL led power supply . Meanwell driver quality is good . Very very small quantity have quality problem . But Meanwell do less power supply in dimming power supply and very long delivery time . If you want more info about dimming power supply ,send us mail.


Lightstec is a quality Led strip light manufacturer in China .We welcome client all over the world. Contact with us if you need any help: [email protected]