Best iPhone 12 Pro Max battery cases in 2021

iPhone 12 series’ sales skyrocketed this year. Everyone saw it coming as these are possibly the best phones in the market today. However, iPhone 12 Pro Max is a device that needs its entourage. Maybe a nice case and a couple of accessories to glam it up. While there are different cases available on the internet, I prefer getting iPhone 12 Pro Max battery case. After all, its eight hours of battery life (undoubtedly impressive) may not suffice a really long day. You’d not want to go searching for a charging outlet in the middle of some work.

It feels right to have a case charge my phone while I am busy in the wilderness clicking pictures of a Panda, maybe. Here, I have rounded up a list of the best iPhone 12 Pro Max battery cases.

  1. SNSOU
  2. Allezru
  3. FNSON
  4. OYOWOOA
  5. Idealforce
  6. Alphatronix
  7. ZEROLEMON SlimJuicer
  8. ZEROLEMON RuggedJuicer
  9. Fey

1. SNSOU ultra slim case: Battery-life enhancement

SNSOU battery cases for iPhone 12 Pro Max

The SNSOU Battery Case is an astounding case that enhances your user experience. The case’s rubber design fits your hand just right, and the raised rubber bezel surrounding it assures maximum protection to your iPhone 12 Pro Max.

Easy to install, this case extends battery life by 180 percent with 7000 mAh power. This assures 50 hours of music time, 18 hours of phone talk, 12 hours of video time, and 15 hours of website browsing without worrying about battery draining.

Brownie points for being compatible with iPhone original charging cable (5V 1A) and headphones. This one is undoubtedly a go-getter!

Battery: 7000mAh

Pros

  • Easy to install
  • Track remaining power by pressing the back button
  • Protection against scratching, bumping, and falling

Cons

  • Average build-up

Price: $32.90

Check out on Amazon

2. Allezru protective charger case: Listener’s choice

Allezru battery cases for iPhone 12 Pro Max

The Allezru Battery Case is strong, durable, and resilient. With a 6000mAh battery power, this case ensures battery life for a little over double-time, adding up to 496 hours of standby time, 110 hours of music playback, 19 hours of video playback, and 18 hours of web browsing.

I admire the case for it supports browsing music while charging. This means you can listen to your favorite tracks while charging your phone (compatible with original iPhone headphones). No need to remove your case while charging; you can charge them simultaneously with the iPhone charging cable.

A must-buy for all the music lovers out there!

Battery: 6000mAh

Pros:

  • Simultaneous charging
  • 2-in-1 protection
  • Supports wireless Bluetooth headphones

Cons:

  • A little inconvenient to install

Price: $39.99

Check out on Amazon

3. FNSON extended battery case: The ultimate protector

FNSON battery cases for iPhone 12 Pro Max

FNSON’s Battery Cases are not just your regular battery cases; these are advanced cases with sync-through technology that allow you to charge your case and device simultaneously with the iPhone cable.

I enjoyed reviewing this case for its sturdy build-up, for their screen protection is beyond comparison. The raised sides and hard-shell approach maximizes protection to your iPhone. The durable high-class material protects against all kinds of scratches, drops, impacts, and any wear and tear.

There was room for improvement in the battery standup segment, as it is just 8+ hours of talk time and 12+ hours of web browsing time. If you are rough with your device and keep dropping it everywhere, this is the case.

Battery: 7000mAh

Pros:

  • Exceptional strength against physical damage
  • Accurate placement of LED lights
  • Simultaneous charging

Cons: 

  • Does not support wireless charging

Price: $30.90

Check out on Amazon

4. OYOWOOA battery case: Best for 2-in-1 protection

OYOWOOA battery cases for iPhone 12 Pro Max

The 2-in-1 protection case, OYOWOOA provides a durable case that charges your iPhone and protects it too. The 0.5mm higher screen edge and 0.2mm higher lens design perfectly covers the lens and prevents the device from all types of scratching, and saves the lens from further cracks.

The cherry on the cake is the sleek design that the case comes with to enhance the visual appeal. Talking about extending the battery life, this Battery Case provides up to 48 hours of audio playback, 15 hours to talk time, 48 hours of gameplay, and 17 hours of web browsing, which is a little over 120 percent its battery time.

Battery: 6000mAh

Pros:

  • Robust design to protect the lens
  • Easy installation
  • LED indicators

Cons: 

  • Wireless charging is not supported.

Price: $31.99

Check out on Amazon

5. Idealforce portable charging case: Slender yet strong 

Idealforce battery cases for iPhone 12 Pro Max

Idealforce cases are known to have a slender appeal, and this one, too, does not disappoint. With an intelligent switch and an accurate power display, this case comes with an appealing LED Battery Level Indicator that shows exact amounts of battery remaining.

Delivering slightly above 150 percent battery levels, the built-in 5000 mAh Li-Polymer rechargeable battery does its job. To top it up, the case comes with a perfect fitting that makes it look like a match made in heaven. Go for it if looks are your primary concern.

Battery: 4800mAh

Pros:

  • Lip to cover the cameras
  • Impeccable finish
  • Designed to last edge protection

Cons:

  • It could have been better with the standby time

Price: $27.9

Check out on Amazon

6. Alphatronix slim battery case: Easy installation

Alphatronix battery cases for iPhone 12 Pro Max

A powerful 6000 mAh UL-tested battery, Alphatronix Store’s case is no less than a powerful beast. It does not fool you with fake promises and offers the right charge and decent amount of battery percentages.

The most appealing feature of this case has to be its convenience with wired and wireless charging experiences. To top it up, this one is fully compatible with Lightning EarPods and headphones accessories, also with Bluetooth headphone and Apple AirPods accessories.

I like how it stays true to the beast mode and ensures your iPhone’s safety because safety comes first. This case also comes with a tempered glass screen protector to safeguard your screen.

Battery: 6000mAh

Pros:

  • Comes with a screen guard
  • Entire day worth of battery with a single charge
  • 1-year warranty and 2-year extended warranty

Cons:

  • May have issues with the side button

Price: $49.95

Check out on Amazon

7. ZEROLEMON SlimJuicer case: The flexible one

ZEROLEMON SlimJuicer battery cases for iPhone 12 Pro Max

The ZEROLEMON iPhone 12 Pro Max supports wireless charging; need I say a word more? Yes, you read that right. You can charge the case as well as your iPhone with a wireless charging pad.

The company has developed a charging pad that can charge both devices simultaneously. This case is also compatible with CarPlay and Lightning earphones. Order yours today if you want a case that keeps up with your charging capacity and is compatible with almost everything out there.

Battery: 5000mAh

Pros:

  • Raised AirCushion for added protection against drops
  • 30-day full refund Guarantee
  • CarPlay compatible

Cons:

  • A little heavy

Price: $35.99

Check out on Amazon

8. ZEROLEMON RuggedJuicer Case: The multitasker

ZEROLEMON RuggedJuicer battery cases for iPhone 12 Pro Max

A higher variant in ZEROMELON’S battery cases for iPhone 12 Pro Max, this one offers up to 180% more power to your iPhone. Other than the enormous power that it has been adding to your device, this case is shockproof, is rugged, so it comes with damage control and aims for 100% protection against all kinds of resistance to your device.

An upgrade for sure, trust the capabilities of this case to enhance your experience. What’s more? It is available at a discounted price.

Battery: 10000mAh

Pros:

  • Supports wireless charging
  • Charges iPhone in three hours only
  • CarPlay compatible

Cons:

  • A little pricey

Price: $59.99

Check out on Amazon

9. Fey charger protective case: Best affordable price

Fey battery cases for iPhone 12 Pro Max

A lithium-battery powered case, Fey’s cases are known for their compatibility and durability. I have never seen a case that fits so smoothly to the iPhone. It provides fullback cover protection, even against scratches or minor damages. The case is built to be perfect for daily use and can be taken for shot nature-friendly trips.

Yeah, that build-up quality is that rugged. Comes with a large battery design, Fey’s cases possess the strength to charge the case up to 150% extra power, increasing time to work more, travel more, and rest more for that matter. This case sure seems like a match made in heaven.

Battery: 5000mAh

Pros: 

  • Prevents short-circuiting
  • Easy to install
  • Slim design

Cons:

  • It is made of plastic

Price: $32.90

Check out on Amazon

Choose the best iPhone 12 Pro Max battery case to charge your device!

There you have it. Our list of best battery cases to keep your iPhone 12 Pro Max running! I prefer Alphatronix Store iPhone 12 Pro Max Battery Case for its high-quality, excellent battery backup, and warranty. If budget is a constraint, I would suggest going for Idealforce iPhone 12 Pro Max Battery Case. It is less expensive yet efficient.

Whatever your requirements, you are sure to find the one on our list.

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An entrepreneur by heart, I am obsessed with the world of Apple. I survive on Apple products and their updates. Over the last five years, I have been writing all kinds of content that are remotely connected to Apple and sharing across digital platforms. When not writing, you will find me on the court playing basketball or in my room playing the sitar.