How do touchless faucets get power?

 Have you seen one of those touchless faucets in action? You simply wave your hand and bam! The water starts flowing like magic. But how?! How does this technology work? 

 Have you seen one of those touchless faucets in action? You simply wave your hand and bam! The water starts flowing like magic. But how?! How does this technology work? 

The answer is mind-boggling, my friend. It all comes down to the power source. And let me tell you, there are several options available that will leave you scratching your head. Batteries? Direct electrical wiring? Power over Ethernet? Say what?!

 Whether you’re in the market for a new touchless faucet or simply fascinated by the technology, get ready for a wild ride. Buckle up and let’s dive into the perplexing world of touchless faucets and find out just how they get their power.

Power sources of touchless faucet

Some touchless faucets run on dry-cell batteries, making them a great option if you don’t want to be tied down to an electrical outlet. On the other hand, there are touchless faucets that use a low-voltage current from an AC transformer.

 And if that’s not enough, some models even use an AC power adapter that plugs directly into an electrical outlet. Oh, and there are also those that use a hub transformer, which powers multiple devices in your home, including your touchless faucet. Phew!

The Power-Saving Option

But wait, there’s more! Introducing the KEGE touchless faucets, which offer a low power consumption option. You can power these faucets either with DC batteries or an AC adapter and DC battery combo. 

So, not only do you have more power options to choose from, but you can also help the environment by conserving energy with this choice.

Overall,Touchless faucets use electricity for operation and have different power sources, including dry-cell batteries, low-voltage AC transformer, AC power adapter, and hub transformer. The choice of power source depends on personal preference and the faucet’s intended usage.

Types of batteries used in touchless faucets

  • Alkaline batteries (4AA or 6AA):
    • Most common type of battery used for touchless faucets.
    • Typically last about 1-2 years.
    • Affordable option.
  • Lithium batteries:
    • Last longer than alkaline batteries.
    • More expensive than alkaline batteries.
  • AC Adapter and DC battery:
    • Touchless faucets with this option can switch to battery power if AC electricity is not available.
    • Offers backup power solution for power outages.


When choosing the best power source for your touchless faucet, consider factors such as cost, lifespan of the battery, and your specific needs and preferences. Opt for lithium batteries if you want a longer lifespan, but are willing to pay more. Consider the AC/DC battery option if you want to be prepared for power outages. Alkaline batteries offer a balance of affordability and practicality.

So, what’s the bottom line here? Well, there’s no one-size-fits-all answer when it comes to powering your touchless faucet. It all comes down to what works best for you and your home.

From batteries to direct wiring to power over Ethernet, there’s a dizzying array of options to choose from. And with energy-saving options like the KEGE touchless faucets, you can even go green while enjoying the convenience of a touchless faucet.

Whether you opt for alkaline batteries or the more expensive lithium batteries, remember that there’s a trade-off between cost and longevity. Ultimately, you’ll want to choose a power source that’s reliable, convenient, and fits your budget.

So, don’t let the plethora of options leave you feeling overwhelmed. Take a deep breath and weigh your options. With a little research and a dash of patience, you’re sure to find the perfect power source for your touchless faucet.


  • vikram-2-1 How do touchless faucets get power?

    My name is Vikram and I have a genuine passion for plumbing and faucets. I've spent countless hours researching and experimenting with different techniques and products to find the most effective solutions for common plumbing problems. My goal is to share my knowledge and experience with homeowners, so they can save time, money, and stress by tackling plumbing issues themselves.

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