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Is 1500g Too Much? The Surprising Science Behind Magnetic Phone Accessories

by Javeria Salam on Apr 23, 2025
iphone magnetic cases

Let's talk about Magnets - though tiny and small, they still hold a mighty force that keeps your iPhone together with ease. Now, when it comes to Samsung, iPhone, or any other smartphone, the industry doesn't just toss a random magnet in and call it a day. These phones are carefully placed and engineered with high-tech magnets for things like wireless charging, magnetic accessories, and more.

It is always a satisfying sound when the phone just clicks in, but how strong is it? Do you think 1500g of magnetic force is a bit overkill or just the proper force? This article will break down the qualifications of a high-powered magnet, is N52 strongest, and how to use the magnetic case.

To add an extra layer of protection, using iPhone cases is an excellent choice (even though the tariff might force you not to own an iPhone), and we will give you some of the best options.

What is Considered a High-Powered Magnet?

The compatibility between smartphones and magnetic technology shot up after the launch of Apple's MagSafe technology in 2020. When people talk about high-powered magnets, it's usually the neodymium magnets. These are no joke, as they are packed with a serious punch and can pull a force up to 1500g. However, most magnetic phone cases on the market fall somewhere in the 600g to 1000g range.

3-in-1 15w qi2 wireless charger

Do you think that’s enough to hold your phone tight and secure in various situations, like the risk of accidental drops? With over 1500g, it’s like the heavyweight champion of magnetic strength, and it's 50% stronger than any typical setup.

How Does an iPhone Magnetic Case Work?

A phone magnet relies on MagSafe, a built-in ring of magnets that align perfectly with other accessories like wireless chargers and wallets. The magnets are carefully designed for your phone so that they connect seamlessly without sliding around or falling off. It ensures a secure and stable attachment with precise alignment for optimal charging. It's convenient when it clicks into place.

The magnets are strategically placed to hit a whopping 1500g of magnetic pull so that it doesn't damage your phone's signals or internal components. Also, some manufacturers stack multiple magnet layers to amplify the pull force. With such impressive technology, why don't you use magnetic iPhone cases and boost attraction? For a MagSafe-compatible charger, the magnetic is aligned precisely with the built-in ring for an efficient charger. Whereas next-gen Qi2 also uses a magnet, allowing up to 15W of charging power.  

Is N52 the Strongest Magnet?

The N52 is an extremely strong magnet and has numerous merits in various industries. They are generally considered to be the strongest grade of neodymium magnets readily available to users. These types of magnets have more magnetic strength, and they decrease by 1 % in 10 years. If you are looking for the same strong material in the case, then use the ESR Cyber Tough Case for your iPhone. 

It’s made of zinc alloy, and the stand has been tested for 3,000 openings and closings. You can say that it’s an ultra-protective 3-layer structure that is perfectly fitted with shock-absorbing Air Guard corners. Also, with its 1500g magnetic strength, you can get 25% more durability.

What are the Uses of iPhone Magnetic Cases?

What do you think is up with these magnetic iPhone cases, anyway? Why do people rave about them, and more importantly, should you get one? Well, to break it down, its real power lies in making your iPhone more functional and hands-free-friendly. Go through the following other reasons why a magnetic iPhone case would be useful:

1. Faster Wireless Charging: These cases help your phone snap perfectly into place on wireless chargers with ease.

2. Secure Mounting: Whether you’re in the car or in the gym, these strong cases make it super easy to mount your phone to a stand or wall mount.

3. Modular Setup Flexibility: You can swap out accessories on the fly and switch from a wallet to a power bank in seconds.

4. Cable-free Look: Get rid of all the cables and messy cords from your desk setup and utilize the case for wireless charging.

5. Snap-on Accessory: Users can attach wallets, power banks, and more without adhesives or bulk to their cases.

How Long Do 1500g Magnets Last?

Alright, let's address the elephant in the room: the 1500g strong magnetic strength of the magnets. Though it works like a charm, how long does the strength last? Also, will it still snap your iPhone after a year or two? The simple answer is that it can last over decades, as the strength of these neodymium magnets is found to last over 100 years.

Qi2 3-in-1 fast Wireless Charging Station

Yes, you read it right, over 100 years, but nothing lasts forever. There are some factors that can weaken the magnet, such as high temperatures (above 80 degrees Celsius), physical damage, corrosion, and more.

Conclusion

In conclusion, users learned about how high-powered magnetic cases can be utilized on the iPhone. This article demonstrates that 1500g of magnetic strength can be used in various instances, but you should handle it with caution. Other than that, because of the disadvantages of these magnets, you should protect your phone with a strong iPhone case that you can find on ESR.

People Also Ask

Are Magnets Good for iPhones?

There is always a good and a bad side to things, and the same goes for magnets. For iPhones, they help with precise wireless charging, support modular accessories, and the mounting process is very simple. However, it's a powerful magnet and can interfere with compass calibration, mess with your credit cards, and sometimes be inefficient for charging.

Are N52 Magnets Safe?

In general terms, yes, when properly encased with advanced iPhone cases and kept away from electronics that aren't magnet-safe. Be warned never to mess with the snap, as it can injure your fingers, and keep it away from pacemakers.

How Long Do N52 Magnets Last?

The N52 is the same as the other magnets and can last for 100 years while only losing 1% of itself every 10 years. However, the lifespan may vary in various temperatures and other cases.

How Many Tesla is an N52 magnet?

If we look at the magnetic field of an N52 is roughly 0.5 to 0.6 Tesla, depending on the shape and more, you can say that it's 500 times stronger. It's strong enough to be used in MRI machinery, so why not your phone?

Tags: iphone case, iphone charger, Magsafe Wireless Chargers, Wireless Charging
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