The 12 Best Samsung Galaxy S21 Ultra Battery Cases (2022 reviews)

Compared with other cases in this category, the new Samsung galaxy s21 ultra battery case has a design with broader appeal. The new samsung galaxy s21 ultra battery case feels nice, it allows for a screen protector and has a perfect design. If you want to take it off the phone, bend the soft rubber part, and push your phone up slowly. The case battery and s21 ultra can be charged via qi wireless pad at the same time.

Above all, the new Samsung galaxy s21 ultra battery case is a portable product that can be carried on a plane.

Almost all buyers found that the case fits for s21 ultra additionally has a 12 month warranty. Further, they strongly agree that the case fits very well, there is no extra space, phone is tight. Moreover, they also found that the case is fantastic, the battery is awesome, but the phone sticks up above the edge of the case, which causes a problem. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

The s21 ultra charger case has a little weight and the grip is great.
This is a portable power bank that can be carried on a plane.
This has charging time, it is good for backing up the battery and has a charging design.
Lightweight and ultra-slim design for your comfort gives you no hassle carrying it around.

Best For Christmas Day: Aftryougo Samsung Galaxy S21 Ultra Battery Case

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The Aftryougo Samsung Galaxy S21 Ultra Battery Case should be able to handle its purpose and duties with ease. The aftryougo samsung galaxy s21 ultra battery case has a led indicator light, It works as advertised and has an upgraded design. The manufacturer says: We would provide 100% money back for all customers. The galaxy s21 extended case is great for going shopping and traveling.

The case is input, makes for a great gift idea, It is designed for a great price and has a new design. Also, the case is good for bluetooth headphones, It provides great value and has a perfect design. Most importantly, the aftryougo samsung galaxy s21 ultra battery case is perfect for Christmas day, happy New Year's gift, Thanksgiving day, and birthday gifts for family members and friends.

Almost all customers agree that the case is made by otterbox, but the size, color and workings appear to be identical. Moreover, they also found that the case was made in China, as are most otterbox phone cases.

Top Customer Quotes:

This is compatible with Samsung galaxy s21 battery case x 1.
This has led indicator, it is great for good quality and has a protective design.
The Manufacturer says: we will solve your problem in 24 hours.
It is great to have an aftermarket alternative.

Best For High Capacity Power: Fey Samsung Galaxy S21 Ultra Battery Case

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The Fey Samsung Galaxy S21 Ultra Battery Case is the most suitable case on the market today. The fey samsung galaxy s21 ultra battery case is not compatible with s21 or s21 plus. It ensures your phone has enough power during traveling or working out. Also, it has led indicators, it has support wireless charging and has a good design.

Lastly, the fey samsung galaxy s21 ultra battery case is made of durable material, provides full back cover protection, against scratches or daily damage.

Most customers agree that the case is not compatible with a fast charge. And, a few strongly agree that the case was good in the beginning and out of nowhere it stopped working. Moreover, a few strongly agree that the case does what it says it does..alil heavy but OK.

Why We Like This:

This has input current, it does the job and has protective design.
This has a built-in usb port, it has charge other devices and has a magnetic design.
Besides, the built-in stand could set your hand free when you watching video.
This is input, it is easy to install and has a great design.

Best For Camping: Hqxhb Battery Case

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The Hqxhb Battery Case's high-end materials make sure that it ages well with use. The hqxhb battery case works as advertised, it does the job and has a new design. 4 led lights to check power level of 25%-50%-75%-100%.you could switch on/off the battery case with the power switch button on the bottom. This galaxy s21 charging case is not bulky and easy to hold in hand.

The case allows for good charging, it has a led indicator and has a charging design. Lastly, the hqxhb battery case is perfect for traveling, camping, business trips or other outdoor occasions.

Almost all customers agree that the case works well, stays charged for a good while. Also, they also found that the case fits right and looks good. Further, a few strongly agree that the case has a " conversion rate " which results in the case providing about 80 percent charge to the phone.

Why We Like This:

Lot of satisfied buyers.
Delivers what they promise.

Best With Extra Battery: Runsy Samsung Galaxy S21 Ultra Battery Case

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If you often find yourself scrambling for an appropriate and satisfactory case, Runsy Samsung galaxy s21 ultrabattery case is your end point. The Runsy Samsung Galaxy S21 Ultra Battery Case is designed with overcharge protection, has reinforced corners, it charges nicely and has a nice design. You need to remove the battery case if you want to sync the phone to a computer. The battery case wo n’t automatically charge the phone when the phone battery runs low.

The case is made of high quality material, unique and comfortable tactile impression. And, it is only compatible with galaxy s21 ultra. Most importantly, the runsy samsung galaxys21 ultra battery case is perfect for traveling and outdoor activities.

One customer says - "Its 5000mah, which is the same as the phone battery, so it gives you 1 additional charge on a night out or when traveling. ". Most customers agree that the case is very well designed and feels sturdy and well manufactured. In conclusion, buyers found this to be one of the best cases for daily purposes.

Customers also found that its wise to buy a samsung galaxy s21 ultra battery case, along with this case.

Why We Like This:

This is very useful, it has a led indicator and has a great design.
This is charged once it’s installed in the battery case.
This is ideal for hard-working day, It is highly recommended and has a convenient design.
This protects the phone and has a perfect design.

Best For Full Protection: Bahond Samsung Galaxy S21 Ultra Battery Case

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Not everyone likes to purchase a case for their regular use, but the Bahond samsung galaxy s21ultra battery case would be an anomoly. The Bahond samsung galaxy s21 ultra battery case is ideal for hard-working day, is great for full protection, It fits well and has a comfortable design. Charge the phone and battery case simultaneously while plugged in. The battery case wo n’t automatically charge the phone when the phone battery runs low.

The case allows for talk time, it has a built-in 4800mah lithium-ion battery and has an integrated design. Moreover, it is designed with overcharge protection, has reinforced corners, it has a built-in short-circuit and has a perfect design. Above all, the Bahond Samsung galaxy s21 ultra batterycase is charged once it’s installed into the battery case.

Most buyers agree that the case is easy to use while you're at the movie theater or if you're at the airport.

Why We Like This:

This is not compatible with galaxy s21+ or galaxy s21 ultra.
This is ideal for long distance journeys and business trips.
This is used for high efficiency, It allows for screen protectors and has a protection design.
Fit your hand, match your mind.

Best For Fast Charge: Bahond Phone And Battery Case

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Bahond line of cases comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The second phone and battery case are made of high quality material, unique and comfortable tactile impression. You need to remove the battery case if you want to sync the phone to a computer. The battery case wo n’t automatically charge the phone when the phone battery runs low.

Finally, the second phone and battery case are only compatible with Galaxy s21 ultra.

"It says that it is 100% of your phone 's battery life. " - says, one customer. In short, the tone of buyers is very positive and we believe that the case suits the purpose.

Why We Like This:

This is ideal for long distance journeys and business trips.
This is charged once it’s installed in the battery case.
This has a built-in 5000mah lithium-ion battery, it has a led indicator and has a charging design.
Fit your hand, match your mind.

Best For Long Distance Journey: Runsy Battery Case

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The Runsy Battery Case is capable of outshining several other cases featured in this list in overall features in its price range. The runsy battery case is charged once it’s installed into the battery case. Charge the phone and battery case simultaneously while plugged in. The battery case wo n’t automatically charge the phone when the phone battery runs low.

Above all, the runsy battery case has a built-in 4800mah lithium-ion battery and has a protection design.

In short, the tone of buyers is very positive and we believe that the case suits the purpose.

Why We Like This:

This is ideal for hard-working day and has an integrated design.
This is ideal for long distance journeys and business trips.
This is very comfortable, it allows for a screen protector and has a side protection design.
This is made of high quality material, unique and comfortable tactile impression.

Best For Other Outdoor Occasions: Hqxhb Samsung Galaxy S21 Ultra Battery Case

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The Hqxhb Samsung Galaxy S21 Ultra Battery Case might be a relatively new release, but it's still nothing short of impressive this year, thanks to multiple price cuts and added new features over the past few iterations. The hqxhb samsunggalaxy s21 ultra batterycase is a perfect fit, It allows for safe charging and has a good design. 4 led lights to check power level of 25%-50%-75%-100%.you could switch on/off the battery case with the power switch button on the bottom. This is a battery charger case for Samsung s21 plus 5 g, 5000mah rechargeable portable battery charging case with external magnetic extended backup battery charger pack with detachable power bank protective cover.

The case is perfect for traveling, camping, business trips or other outdoor occasions. Finally, the hqxhb samsung galaxy s21 ultrabattery case is very convenient and has a new design.

One customer says - "Easy to use and carry your portable battery. ". Almost all buyers quickly discovered that the case fits well, works well and it is like killing 2 birds with one stone.

Why We Like This:

New and hot releases.
One of the newcomers and featured product.

Best For Ease Of Use: Fraternize Battery Case

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Fraternize offers a variety of cases for personal choice and yet maintains quality in all the variants. The Fraternize Battery Case is input, It is highly recommended and has a charging design. It says product weight is only 150g. Also, it allows for a great extended battery and has an upgraded design.

The case works with s21 ultra 5g cellphone. And, the case has raised bezels in front, It is designed for surface protection and has a protective design. Most importantly, the fraternize battery case is a portable product that can be carried on a plane.

Almost all customers quickly discovered that the case is a good value for the quality, ease of use, functionality and price. With no doubts, this case passed the test and had very satisfied buyers eager to share their experience.

Why We Like This:

This is lightweight, it allows for a screen protector and has a good design.
4700mah ul-tested battery that provides you a reliable charge every time.
Charging case compatible with Samsung galaxy s21 ultra 5g 6.8inch(only supports bluetooth wireless headphones).
If you need to take it off, please push your phone up slowly.

Best For Traveling And Outdoor Activities: Sitong Samsung Galaxy S21 Ultra Battery Case

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Compared with other cases in this category, the Sitong samsung galaxys21 ultra battery case has a convenient design. The Sitong samsung galaxy s21ultra battery case is charged once it’s installed into the battery case. Charge the phone and battery case simultaneously while plugged in. The battery case wo n’t automatically charge the phone when the phone battery runs low.

The case is ideal for long distance journeys and business trip. Above all, the Sitong samsunggalaxy s21 ultra battery case allows for talk time, it allows for screen protector and has a side protection design.

Few customers got samsung galaxy s21 ultra battery case, along with the case.

Why We Like This:

Fit your hand, match your mind.
This is made of high quality material, unique and comfortable tactile impression.
This is perfect for traveling and outdoor activities.
This is only compatible with galaxy s21 ultra.

Best With Output Of Usb Port: Fraternize Samsung Galaxy S21 Ultra Battery Case

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Next on the list, we've got yet another case that manages to win our hearts. It's the Fraternize Samsung Galaxy S21 Ultra Battery Case and it's widely considered as the case that has the most suitable features. The fraternize samsung galaxy s21 ultra battery case allows for a screen protector, It is black and has a protection design. Galaxy s21 ultra power bank case, features led light indicators, which are easy to let you know how much charge is available, with a built - in switch on/off. Also, the case works well for surface protection and has an exquisite design.

Finally, the fraternize samsung galaxy s21 ultra battery case has raised bezels front and has a charging design.

Why We Like This:

4700mah ul-tested battery that provides you a reliable charge every time.
Charging case compatible with samsung galaxy s21 ultra 6.8inch(only supports bluetooth wireless headphones).
Protects your galaxy s21 ultra from every day wear.