Best Slim Phone Battery Charger Cases of 2025

Jerry Franklin Avatar
Jerry Franklin
Last Updated: Jan 9, 2025

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Slim phone battery charger cases are a great solution for those who are always on the go and need to stay connected. These cases not only protect your phone, but they also provide extra battery life to keep your device charged throughout the day. With a sleek and slim design, these cases fit snugly onto your phone without adding extra bulk or weight. They come in a variety of colors and styles to suit your personal taste. Whether you're traveling, working, or just out and about, a slim phone battery charger case is a convenient accessory to keep your phone charged and ready to go.

At a Glance: Our Top Picks

Alpatronix iPhone 12 Mini Battery Case BX12mini Cover #TOP 1
Alpatronix iPhone 12 Mini Battery Case BX12mini
ftb score rating icon 9.9
mophie Juice Pack for iPhone 16 Cover #TOP 2
mophie Juice Pack for iPhone 16
ftb score rating icon 9.8
GIN FOXI 7000mAh Battery Case for iPhone 12/12 Pro Cover #TOP 3
GIN FOXI 7000mAh Battery Case for iPhone 12/12 Pro
ftb score rating icon 9.6

Top 10 Slim Phone Battery Charger Cases

#TOP 1

Alpatronix iPhone 12 Mini Battery Case BX12mini

BX12mini
Black
Alpatronix iPhone 12 Mini Battery Case BX12mini Cover
Alpatronix Battery Case for iPhone 12 Mini (5.4 inch), Slim Portable Protective Extended Charger Cover with Wireless Charging, Lightning Input, CarPlay - BX12mini - Matte Black

Alpatronix Battery Case for iPhone 12 Mini, known as the BX12mini, is a slim and lightweight charger cover that supports wireless charging and direct lightning input. This portable case doubles your iPhone battery power, perfect for travel and business trips. Its power LED indicator keeps you informed about the battery level. The flexible-top design ensures secure installation, while covered buttons provide easy access to all ports and switches. The BX12mini offers 360° protection against scratches, making it a convenient and reliable accessory for your iPhone 12 Mini.

What We Like
Slim & Lightweight
Wireless Charging
Direct Lightning Input
#TOP 2

mophie Juice Pack for iPhone 16

JP16
Black
iPhone 16
mophie Juice Pack for iPhone 16 Cover
mophie Juice Pack Battery Case for iPhone 16 - Slim Charging Case, Magnetic Back for Wallets & Mounts, +50% Extra Battery Life, Enhanced 6-Foot Drop Protection, Sustainable Material, Black

The mophie Juice Pack is designed to keep your iPhone 16 powered up throughout the day. With an impressive 2,800mAh battery, it provides up to 50% extra power, allowing you to enjoy more music, movies, and memories without worrying about running out of charge. Its slim profile not only offers lightweight protection but also withstands drops from up to six feet, ensuring your phone stays safe. The integrated magnet allows for easy attachment to wallets and mounts, keeping your device secure and accessible. Plus, with priority charging, your phone gets power first, so you’re always ready to go.

What We Like
Extended battery life
Lightweight and slim design
Magnetic compatibility
Priority charging feature
Sustainable materials
#TOP 3

GIN FOXI 7000mAh Battery Case for iPhone 12/12 Pro

FM1261
Black
GIN FOXI 7000mAh Battery Case for iPhone 12/12 Pro Cover
GIN FOXI Battery Case for iPhone 12/12Pro, 7000mAh Ultra-Slim Battery Charging Case Rechargeable Anti-Fall Protection Charger Cover Extended Batteries Pack for iPhone 12Pro/12 (6.1 inch) Black

The GIN FOXI Battery Case is designed to enhance your iPhone 12 or 12 Pro experience with its ultra-slim profile and powerful 7000mAh capacity. This case not only doubles your phone's battery life but also keeps it lightweight and easy to carry. The advanced sync technology allows you to connect to your computer without removing the case, making it convenient for transfers. Additionally, the built-in safety features protect your device from common charging issues, while the durable design safeguards against everyday wear. Overall, this battery case is perfect for anyone needing extra power on the go.

What We Like
Lightweight and slim design
Fast charging capabilities
Durable protection features
Easy syncing with devices
#TOP 4

GIN FOXI 8500mAh Battery Case for iPhone 16 Pro

IP-1561A
Black
GIN FOXI 8500mAh Battery Case for iPhone 16 Pro Cover
Battery Case for iPhone 16 Pro, 15W Fast Charging Case Charger 8500mAh Ultra-Slim Lightweight Powerful Battery Pack Rechargeable Anti-Fall TPU Juice Box for iPhone 16 Pro Charging Case(6.3") Black

The GIN FOXI Battery Case for iPhone 16 Pro is designed for those who need extra power on the go. With its slim profile and 8500mAh capacity, you can enjoy an additional 150% battery life, making it ideal for travel and busy days. The case also allows for data syncing, so you can connect your phone to a computer without removing it. Plus, with 15W fast charging, you can quickly recharge your phone, reaching 50% in just 30 minutes. Additionally, it offers robust protection against everyday wear and tear, ensuring your device stays safe while you stay powered up.

What We Like
Lightweight and slim design
Fast charging capability
Data syncing without removal
Comprehensive phone protection

HETP 7500mAh Battery Case for iPhone 11/XR

HX50BA2
Black
HETP 7500mAh Battery Case for iPhone 11/XR Cover
HETP Battery Case for iPhone 11/XR (6.1inch),Upgraded 7500mAh Slim Portable Charger Case Cover,External Battery Pack Charging Case with Tempered-Glass Screen Protector for iPhone 11/iPhone XR (Black)

The HETP Battery Case for iPhone 11/XR is designed to enhance your phone's longevity and protection. With its robust 7500mAh battery, you can enjoy extended talk time, music playback, and video watching without the fear of running out of power. This case offers 360° protection against scratches and daily wear, ensuring your device stays safe. The upgraded soft TPU material makes installation a breeze, allowing you to easily insert your phone while keeping it charged. Plus, the LED indicator helps you monitor your battery level effortlessly, making it a convenient choice for busy lifestyles.

What We Like
High-capacity battery
360° phone protection
Easy installation
LED battery level indicator

Alpatronix Battery Case for iPhone 13 and iPhone 13 Pro

BX13
Black
Alpatronix Battery Case for iPhone 13 and iPhone 13 Pro Cover
Alpatronix Battery Case for iPhone 13 and iPhone 13 Pro (6.1 inch), Strong Slim Portable Protective Extended Charger Cover with Wireless Charging, CarPlay, Certified Connector Chip (BX13) – Black

The Alpatronix Battery Case for iPhone 13 and iPhone 13 Pro is a reliable and powerful battery case that can fully charge your phone and provide 360° protection. It is equipped with wireless and wired charging options, and is fully compatible with all wired and wireless bluetooth audio accessories as well as Apple CarPlay. The package includes a tempered-glass screen protector and a 1-year warranty (with the option for a 2-year warranty at no extra cost).

What We Like
Provides a reliable and powerful charge every time
Offers wireless and wired charging options
Compatible with all wired and wireless bluetooth audio accessories as well as Apple CarPlay
#TOP 7

JBUBN 6500mAh Battery Case for iPhone 13 Mini

FYT-A98
Black
JBUBN 6500mAh Battery Case for iPhone 13 Mini Cover
Battery Case iPhone 13 Mini, 6500mAh Slim Portable Rechargeable Protective Battery Pack Cover Power Bank Charging Case Compatible with iPhone 13 Mini (5.4 inch) Extended Battery Charger Case (Black)

The JBUBN Battery Case for iPhone 13 Mini is designed to keep your device powered up and protected. With a robust 6000mAh capacity, it effectively doubles your battery life, allowing you to enjoy more calls, music, and videos without the worry of running out of power. The case features an easy installation process, so you can quickly slide your phone in and start using it. Additionally, the LED indicator lights let you check your battery level at a glance, ensuring you always know how much power you have left. Plus, with advanced sync-through technology, you can connect to your computer without removing the case.

What We Like
Extended battery life
Easy installation
LED power indicators
Sync without removal
#TOP 8

Alpatronix Battery Case for iPhone 16 Pro Max

BX16PM
Black
Alpatronix Battery Case for iPhone 16 Pro Max Cover
Alpatronix Battery Case for iPhone 16 Pro Max, Portable Strong Slim Protective Extended Charger Cover, 15W Fast Charging, High Capacity with Wireless Charging Case (BX16PM) Black

The Alpatronix iPhone 16 Pro Max Case ensures you stay powered up wherever you are, eliminating the need for a separate power bank. Its convenient design lets you charge both the case and your phone simultaneously, making life easier without removing the case. With robust protection features, including raised bezels and a tempered glass shield, your device is safeguarded against drops and daily wear. Plus, you can enjoy the flexibility of wireless charging or use a cable to charge both your iPhone and the case at once, enhancing your charging experience.

What We Like
Convenient dual charging
Durable protection
Wireless charging capability
Portable power solution
#TOP 9

5000mAh Slim Battery Case for iPhone 11

OMEETIE
XDL-633M
Black
5000mAh Slim Battery Case for iPhone 11 Cover
OMEETIE Battery Case for iPhone 11, 5000mAh Slim Portable Protective Charging Case Rechargeable Battery Charger Case Only for iPhone 11 (6.1 inch) (Compatible with Earphones) - Black

The OMEETIE Battery Case for iPhone 11 is a slim and portable charging case with a real 5000mAh capacity that extends your phone's service charging life. It features upgraded protection, preventing your phone from overheating, and a soft microfiber lining that ensures your phone is protected from scratches and daily wear and tear. The case also allows for advanced sync, so you can sync your phone to your Macbook, PC, or laptop without removing the case. The case comes with a 12-month warranty and lifetime customer service.

What We Like
Real 5000mAh capacity
Upgraded protection against overheating and daily wear and tear
Allows for advanced sync without removing the case
#TOP 10

DESTEK iPhone 11 Battery Case with 4500mAh Capacity

IP450
Black
DESTEK iPhone 11 Battery Case with 4500mAh Capacity Cover
DESTEK Battery Case Only for iPhone 11, Real 4500mAh Ultra Slim Portable Charging Case Protective Rechargeable Charger Case Compatible w/Wire Earphones (6.1 inch/Black)

DESTEK Battery Case is a lightweight and slim iPhone 11/iPhone XR (2019/2018 release) 6.1-inch display compatible charger case that adds an extra 110% battery life. It supports Apple Carplay, Apple Pay and line-in function, and can be easily attached to a magnetic car mount. The case also features a certified lightning chip that strengthens the lightning connector and provides over current and short circuit protection. You can sync your iPhone to your computer or laptop without having to remove the battery case. The package includes a group of cleaning tools and a 12-month worry-free warranty.

What We Like
Lightweight and slim design
Supports Apple Carplay, Apple Pay and line-in function
Certified lightning chip provides over current and short circuit protection
Buying Guide Image
Editor's Notes

During our slim phone battery charger cases research, we found 24 slim phone battery charger cases products and shortlisted 10 quality products. We collected and analyzed 62,805 customer reviews through our big data system to write the slim phone battery charger cases list. We found that most customers choose slim phone battery charger cases with an average price of $25.17.

The slim phone battery charger cases are available for purchase. We have researched hundreds of brands and picked the top brands of slim phone battery charger cases, including Alpatronix, Mophie, GIN FOXI, HETP, JBUBN. The seller of top 1 product has received honest feedback from 53 consumers with an average rating of 4.8.

Written by
Jerry Franklin Avatar

Jerry Franklin's persistent curiosity and research inspire a love of writing how technical things work and help him build a wealth of knowledge in computer equipment and other electronic tools. He has always enjoyed great pleasure in taking all things apart and researching how to put them together again since his childhood.