The larger the wattage of the outdoor power supply the cheaper it is

What is a power supply size guide?

Power supply size guides are based on wattage ratings which indicate the amount of electrical power they can provide. Typically, power supplies range from 1W all the way up to 30,000W. The size of each power supply will correlate to its wattage rating, with higher wattage ratings requiring larger power supplies.

How do power supply sizes affect wattage ratings?

The size of each power supply will correlate to its wattage rating, with higher wattage ratings requiring larger power supplies. And the actual size itself is measured in a number of different ways, such as the physical footprint (the area it takes up), the height and length of the device, and the number of cables that come with it.

Are AC & DC power supplies the same?

Since house electrical AC or DC power is usually the same, you'll need to check with your manufacturer. Learn more through our guide that explains what is an AC DC power supply. Take into account the efficiency of the power supply when making your choice. Efficiency refers to the percentage of energy a power supply can convert into useful power.

What does a power supply do?

A big pile of power. Before we can look in depth at power supplies, we have to understand what they do. The good news is that we don’t need an electrical engineer’s knowledge, just a basic overview. Power supplies, like the name implies, are the primary supplier of power to your motherboard.

What is the difference between a phone and a PC power supply?

For example, a phone power supply usually has a lower wattage rating, so it will be smaller in physical size and have fewer cables. On the other hand, high-performance gaming PC power supplies will have a much higher wattage rating and be larger in size, with more cables.

Why do I need a lower wattage PSU?

It may be that the lower wattage one, despite not having an 80+ Gold certification, is more efficient at your intended draw and would therefore use less power, generate less heat and be a better purchase. I have no problem overprovisioning a PSU a bit. It will run cooler, quieter, and more efficiently in the middle third of it's range.