If you’re getting a surge protector for electric devices such as computers, TVs and video consoles, consider a joule rating of at least 1,000 joules. These ratings can range anywhere from 300 joules to over 4,000 joules. Basically, the higher the joule rating, the greater the protection. The joule rating or surge energy rating measures how much energy the surge protector can absorb before failing. But there are a series of factors you should consider before you pick one. Yes, power strips and surge protectors all look pretty similar at first glance. Smart surge protectors - which let you control devices through an app on the phone - are unsurprisingly a bit more expensive, sometimes selling for as high as $80. They can cost anywhere from less than $10 to over $40, depending on the number of outlets, amount of protection and additional features, such as whether it includes USB ports. Luckily, surge protector power strips are relatively inexpensive. The best ones also provide plenty of power outlets to connect multiple devices, and feature LED light indicators that let you know when your devices are no longer being protected. Surge suppressors, as they’re also called, can absorb excess voltage and prevent your devices from shorting out. Power strips with surge protection are essential buys if you’re looking to safeguard your valuable electronic devices from thunderstorms and power fluctuations. Pricey at around $80, though can be found on sale for $50.
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