The Best UPS for Routers- RESONATE Router UPS CRU12V3A Power Backup for Wi-Fi Router Review

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If your router is constantly acting up because of power outages or other electrical problems, you might want to get an uninterruptible power supply (UPS). Staying connected is now more important than ever due to the pandemic because getting a power outage in the middle of a class or while doing some important work is more than just a minor inconvenience.

Luckily, you won’t have to spend much to get a UPS for your router. Resonate is the most popular brand when it comes to router power supplies. Their RouterUPS claim that you will have uninterrupted Wi-Fi for up to 4 hours after a power outage.

You can think of this device as an intermediate between your power outlet and your router. It is a tiny little device that can save you a heap of trouble. So let’s take a look at this great little power supply.

Resonate RouterUPS CRU12V3A


This device’s primary feature is that it can act as a power backup for your WiFi or ADSL router for up to 4 hours. This device is a much cheaper, smaller, and more convenient UPS used only for your router. You can’t connect any other devices to the Resonate RouterUPS.

Even if you do not have regular power outages, you still may want to get this UPS because it will stabilize the power that goes to your router. This means that you will get a more stable internet connection and lower latency at a meager cost. Power always fluctuates, so it is a common issue.

Your router is a very sensitive device that can malfunction whenever minor electric fluctuations happen. The Resonate RouterUPS can protect your router against minor power spikes and dropouts. You can think of it as a battery bank for your router to give out constant power to the router without any fluctuations.

While the UPS itself is still susceptible to power outages and spikes, it is designed to manage it. The Resonate RouterUPS has intelligent electrical safety protection circuits that will keep the voltages under control. It also features battery management systems that will ensure that the battery inside the UPS does not misbehave.

The Router UPS will ensure that your router won’t reset due to a power spike or interruption, saving you a lot of precious time.

The Resonate RouterUPS CRU12V13A, in particular, is the most powerful model that can handle all 12V, <3A routers, but you should get the one that works with your router. Check the power rating of your particular router and AC adapter before buying the Router UPS. The power rating is usually written on the label that is located under or behind your router.

The Resonate RouterUPS also has a 12-month warranty, which is a nice-to-have.


The Resonate RouterUPS comes in a very high-quality orange box, which leaves a good first impression. The device itself is very tiny. It is a black rectangular box that is about the size of your hand. It has the brand logo and name engraved on the front.

On this particular model, you also get LEDs that serve as power and battery indicators as well as the on/off button. The entire housing is made of black plastic. There is not much else besides the I/O and label with all the information about the model.


The Router UPS is much cheaper than traditional uninterruptible power supplies. It is also much smaller, making it easier to handle and install. The CRU12V3A features four LEDs that will show you some useful info about the battery and power. The four hours of power backup are more than enough until the power gets back. Your router will receive steady power, which will lower latency, prevent drops, and prevent malfunction.


Many users claim that their Router UPS device stopped working after using it for a few months. Others say that it doesn’t work in the first place. Some say that they continued experiencing power cuts even with the Router UPS.


The Resonate RouterUPS is one of the simplest ways to fix any issues you have with frequent power outages and spikes. If your router restarts frequently or if your power isn’t stable, the RouterUPS will make sure that you don’t lose time while your router is restarting.

The Router UPS will make sure that your router gets stable and constant power. If you experience frequent latency spikes, this may fix it. Up to 4 hours of battery life will allow you to stay connected until your power is back during an outage.

Installing the device is pretty simple and fast thanks to its tiny size, weight, and simple design. The Resonate Router UPS can save you a lot of time and stop you from stressing out over your internet connection.

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