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10 Best Smart Surge Protectors 2025 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Belkin 12-Outlet Surge Protector Power Strip w/ 12 AC Outlets & 8ft Flat Plug, UL-listed Heavy-Duty Extension Cord for Home, Office, Travel, Computer, Laptop, Charger - 3,940 Joules of Protection

Rating
9.8
Chosen by1,187
Surge Protection Rating (Joules)
Number of Outlets
Cord Length

Most important from
54306 reviews

Surge Protection Rating (Joules)
With 3,940 Joules of surge protection, it's like having a shield for your precious electronics against sudden power spikes.
Number of Outlets
Twelve well-spaced outlets make it easy to plug in bulky chargers and adapters without blocking other outlets.
Cord Length
The 8-foot cord offers flexibility in positioning, whether in a home office, entertainment center, or workshop, without being tethered to the wall.

The Belkin 12-Outlet Surge Protector Power Strip offers robust protection with a high surge protection rating of 3,940 Joules, which is excellent for safeguarding expensive electronics like computers and home theaters. With 12 AC outlets, it provides ample connectivity options for multiple devices, making it ideal for home offices or workstations.

The 8ft heavy-duty extension cord and compact design are practical for tight spaces, and widely spaced outlets accommodate larger plugs and chargers. The UL safety certification assures users of its reliability and safety standards, while the sustainability aspect and 2-year warranty add to its appeal.

This surge protector is well-suited for users who need a reliable and spacious power strip with strong surge protection but may not be the best choice for those seeking smart capabilities or USB connectivity.

Rating
9.8
Chosen by1,187
Surge Protection Rating (Joules)
Number of Outlets
Cord Length

Most important from
54306 reviews

Surge Protection Rating (Joules)
With 3,940 Joules of surge protection, it's like having a shield for your precious electronics against sudden power spikes.
Number of Outlets
Twelve well-spaced outlets make it easy to plug in bulky chargers and adapters without blocking other outlets.
Cord Length
The 8-foot cord offers flexibility in positioning, whether in a home office, entertainment center, or workshop, without being tethered to the wall.
#2

Kasa Smart Plug Power Strip HS300, Surge Protector with 6 Individually Controlled Smart Outlets and 3 USB Ports, Works with Alexa & Google Home, No Hub Required , White

Rating
9.6
Number of Outlets
USB Ports
Smart Features

Most important from
8780 reviews

Number of Outlets
The ability to name and control each outlet individually is a standout feature, making it easy to manage multiple devices efficiently.
USB Ports
USB ports are a convenient addition, although the lack of USB-C outlets is a minor drawback that hopefully will be addressed in future updates.
Smart Features
The Kasa Smart Plug Power Strip HS300 is incredibly intuitive to set up and use, making it a breeze to integrate with smart home systems like Alexa and Google Home.

The Kasa Smart Plug Power Strip HS300 is a versatile surge protector with several modern features. It offers 6 individually controlled smart outlets, which is great for managing various devices separately. Additionally, the power strip includes 3 USB ports, making it convenient for charging smaller devices like phones and tablets without needing extra adapters. Its surge protection is ETL certified, ensuring that your electronics are shielded from unexpected power surges, which is crucial for maintaining the longevity of your devices during weather disturbances.

One of the standout features is energy monitoring, allowing you to track the power consumption of connected devices through the Kasa Smart app. This can help you manage your energy usage more efficiently and potentially save on electricity bills. The app also enables remote control of the power strip, so you can turn devices on or off from anywhere, and it supports voice commands via Alexa and Google Assistant, adding to its ease of use.

With a 125V input and a total load capacity of 1875W, it is suitable for most home and small office setups. Users looking for a smart surge protector with comprehensive control and monitoring features will find the Kasa HS300 a good fit.

Rating
9.6
Number of Outlets
USB Ports
Smart Features

Most important from
8780 reviews

Number of Outlets
The ability to name and control each outlet individually is a standout feature, making it easy to manage multiple devices efficiently.
USB Ports
USB ports are a convenient addition, although the lack of USB-C outlets is a minor drawback that hopefully will be addressed in future updates.
Smart Features
The Kasa Smart Plug Power Strip HS300 is incredibly intuitive to set up and use, making it a breeze to integrate with smart home systems like Alexa and Google Home.
#3

Kasa Smart Plug Power Strip KP303, Surge Protector with 3 Individually Controlled Smart Outlets and 2 USB Ports, Works with Alexa & Google Home, No Hub Required , White

Rating
9.4
Smart Features

Most important from
15416 reviews

Smart Features
The power strip offers seamless scheduling and individual control of outlets, making it ideal for automating devices like TVs, lights, and even aquariums.

The Kasa Smart Plug Power Strip KP303 offers a convenient solution for managing and protecting multiple devices at home or in the office. It features 3 individually controllable smart outlets plus 2 always-on USB ports, allowing you to plug in up to five devices at once. This makes it handy if you want to control some appliances remotely while keeping others charging continuously. The strip works well with Alexa and Google Assistant, so you can control devices by voice commands or through the Kasa app on your smartphone, even when you're away.

It is ETL-certified, meaning it meets safety standards to guard your electronics against sudden power surges. The power strip supports standard 125 volts and 15 amps, suitable for typical household use. The unit is compact and lightweight, measuring about 10 inches long, and plugs directly into a wall outlet. The slim design helps save space. Setting it up is straightforward via the app without needing a separate hub.

A nice bonus is the ability to schedule outlets to turn on or off at specific times, which can help save energy or ensure appliances run only when needed. The product comes with a 2-year warranty and has earned positive reviews for reliability and ease of use. If you want a basic smart surge protector with decent safety features and versatile outlet options for everyday electronics, this is a good pick. However, if you need extremely high surge protection or long power cords, you might want to explore other options.

Rating
9.4
Smart Features

Most important from
15416 reviews

Smart Features
The power strip offers seamless scheduling and individual control of outlets, making it ideal for automating devices like TVs, lights, and even aquariums.

Buying Guide for the Best Smart Surge Protectors

When it comes to buying a smart surge protector, it's important to understand that this device not only protects your electronics from power surges but also offers smart features that can enhance your convenience and control over your devices. To make the best choice, you need to consider several key specifications that will determine how well the surge protector meets your needs. Here are the most important specs to look at and how to evaluate them.
Surge Protection Rating (Joules)The surge protection rating, measured in joules, indicates how much energy the surge protector can absorb before it fails. This is crucial because it determines the level of protection your devices will receive. Lower ratings (around 600-1000 joules) are suitable for small electronics like lamps and phones, while higher ratings (2000 joules and above) are better for more sensitive and expensive equipment like computers and home theater systems. Choose a rating based on the value and sensitivity of the devices you plan to protect.
Number of OutletsThe number of outlets on a surge protector determines how many devices you can plug in at once. This is important for ensuring you have enough capacity for all your electronics. Basic models may offer 4-6 outlets, which is sufficient for a small setup, while more advanced models can have 10 or more outlets, ideal for larger setups with multiple devices. Consider the number of devices you need to protect and choose a surge protector with a few extra outlets for future needs.
USB PortsMany smart surge protectors come with built-in USB ports, allowing you to charge devices like smartphones and tablets without needing an additional adapter. This is convenient and can save space. Look for surge protectors with USB ports if you have multiple devices that require USB charging. The number of USB ports can vary, so choose one that matches your charging needs.
Smart FeaturesSmart features in surge protectors can include remote control via a smartphone app, voice control compatibility with virtual assistants like Alexa or Google Assistant, and energy monitoring. These features add convenience and can help you manage your energy usage more effectively. If you value the ability to control your devices remotely or want to monitor your energy consumption, look for surge protectors with these smart capabilities.
Cord LengthThe length of the power cord on a surge protector determines how far it can be placed from the wall outlet. This is important for ensuring you can position the surge protector where you need it. Cord lengths typically range from 3 to 12 feet. Choose a length that provides enough flexibility for your setup without creating excess clutter.
Clamping VoltageClamping voltage is the voltage level at which the surge protector will start to divert excess electricity away from your devices. Lower clamping voltages (around 330V) offer better protection by activating sooner, while higher clamping voltages (up to 500V) may be sufficient for less sensitive equipment. Consider the sensitivity of your devices and choose a surge protector with an appropriate clamping voltage to ensure optimal protection.
Response TimeResponse time refers to how quickly the surge protector reacts to a power surge. Faster response times (measured in nanoseconds) provide better protection by reducing the amount of time your devices are exposed to the surge. Look for surge protectors with response times of 1 nanosecond or less for the best protection, especially for sensitive electronics.

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