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Understand How the Uninterruptible Power Supply Keeps Wi-Fi Active During Outages, Protects Sensitive Electronics, and Which Technical Criteria to Consider Before Buying
Summer storms often cause power outages and, consequently, interruptions in residential internet.
In this context, many consumers seek alternatives to avoid losing their Wi-Fi signal.
In this scenario, the uninterruptible power supply presents itself as an effective solution to keep devices powered for a limited time.
The device’s internal battery kicks in automatically when an electrical failure occurs.
Thus, online meetings, sending emails, and professional activities can be completed without immediate interruption.
Furthermore, when power is restored, voltage spikes are blocked, reducing the risk of damage to TVs, computers, and routers.
Protection and Stability in Power Supply
Even when there is no outage, the uninterruptible power supply stabilizes the electrical current.
This way, cleaner energy is supplied to connected devices.
Consequently, internal components are less exposed to fluctuations that could compromise their operation.
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Electrical industry experts consulted in February 2024 emphasize that the choice should prioritize essential equipment.
Bruno de Alcantara Dias, electrical engineering professor at FEI, recommends focusing on the most commonly used devices in daily life.
Similarly, Luis Cuevas, director of Schneider Electric, reinforces that protection should prioritize higher-value items.
Which Devices Should Be Connected
First of all, it is important to define what really needs to stay powered in case of a power outage.
Among the main recommended devices are:
- Computers and laptops
- TVs and monitors
- Game consoles
- Modems and routers
On the other hand, according to guidance from Intelbras released in 2024, appliances with motors should be avoided.
Refrigerators, dryers, and vacuum cleaners consume high peak currents.
As a result, the battery life may be quickly diminished.
Technical Criteria When Purchasing
To choose the right model, several factors need to be analyzed carefully.
First, one must observe the power of the devices, measured in watts (W).
Next, it is necessary to check the capacity of the uninterruptible power supply, indicated in volt-amperes (VA).
Moreover, the battery life should be considered, especially if it will be used frequently.
Rubens Lorenço Neto, manager of the uninterruptible power supply line at Intelbras, explained in February 2024 that the greater the load connected, the shorter the operating time during an outage will be.
Therefore, properly sizing the equipment is crucial.
How to Calculate Ideal Power
The calculation requires attention, but follows a simple logic.
First, the user sums the wattage consumption of all devices they intend to connect.
Then, they choose a uninterruptible power supply with a VA capacity higher than the total found.
Manufacturers offer online calculators that facilitate this conversion.
In practice, two laptops at 45W, one modem at 5W, and two routers at 20W total 135W.
Thus, a model of 500VA or 600VA safely meets this configuration.
Types of Uninterruptible Power Supplies Available in the Market
Currently, the market offers models aimed at specific needs.
12V Power Supply with Battery
This model directly replaces the power supply for modems and routers.
Additionally, it takes up little space and serves a single device.
Mini Uninterruptible Power Supply
The manufacturer develops this model for 12V devices, such as security cameras and modems.
Conventional Uninterruptible Power Supply
This model has more outlets and continuously monitors the quality of the energy.
Therefore, it serves computers, TVs, and game consoles with greater versatility.
Modes of Operation and Level of Protection
Modes of Operation and Level of Protection
In addition to the format, the mode of operation also varies.
The standby or offline model activates the battery only when it detects a failure or sudden variation.
The interactive model corrects small fluctuations via an internal stabilizer and preserves the battery.
Finally, the online model, also known as double conversion, keeps the devices continuously powered by the battery and ensures stable energy.
Price Range and Editorial Transparency
According to a survey conducted in February 2024 across major online stores, prices varied according to the model.
Mini or power supply models cost between R$ 170 and R$ 450.
Conventional models reached prices between R$ 900 and R$ 2,000.
The team produced the report with editorial independence.
If the reader purchases a product through commercial links, the company may generate revenue.
However, the retailer assumes full responsibility for the purchasing experience.
Have you assessed whether the power and autonomy of your uninterruptible power supply are sufficient to keep your internet active during the next storm?
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