Extend your smartphone's battery life effortlessly with a high-quality portable charger. While many portable chargers can be bulky, a battery case offers a sleek, phone-specific solution, eliminating the need for extra cables. A good battery case seamlessly integrates with your phone, providing extra power and protection without compromising functionality.
TL;DR – The Best Smartphone Battery Cases:
------------------------------------------
### Mophie Juice Pack Battery Case
### ZEROLEMON Battery Case
### Mophie Juice Pack Wireless
### NEWDERY Battery Case
### Mophie Juice Pack Connect
The ideal battery case boosts your phone's battery life, provides impact protection, and doesn't interfere with features like NFC or ports. Wireless and quick charging capabilities are added bonuses. However, some cases add excessive bulk or offer unreliable charging. We've curated five top-rated battery cases for popular phones.
Considering a new phone? Explore our recommendations for the best phones, including top Androids, iPhones, and gaming phones.
Battery cases not for you? Check out our guides on wireless chargers, portable chargers, and screen protectors.
Mophie Juice Pack Battery Case
Best iPhone 16 Pro Battery Case
### Mophie Juice Pack Battery Case
Product Specifications
Capacity: 2,800 mAh
Size: 6.5" x 2.9" x 0.71"
Weight: 3.5 ounces
PROS: Compact and lightweight; Integrated passive magnet for accessories.
CONS: Limited battery size.
While the iPhone 16 Pro's 3,582mAh battery generally lasts a day with moderate use, demanding tasks quickly drain it. The Mophie Juice Pack adds 2,800mAh, significantly extending battery life. Its compact design adds minimal bulk, remaining easily pocketable. It offers drop protection up to 6 feet and includes a magnet for accessory attachment. Note that it doesn't support wireless charging.
ZeroLemon Battery Case
Best iPhone 16 Pro Max Battery Case
### ZEROLEMON Battery Case
Product Specifications
Capacity: 10,000 mAh (2 x 5,000 mAh)
Size: 6.74" x 3.48" x 0.99"
Weight: 8.5 ounces
PROS: Military-grade protection and shockproofing; Supports 18W fast charging.
CONS: No data passthrough.
Even the iPhone 16 Pro Max's substantial 4,685mAh battery can be strained by intensive use. ZeroLemon's case provides a massive 10,000mAh (two 5,000mAh batteries), offering about 1.5 extra charges. Its rugged design includes military-grade protection. While bulkier than other options, it offers 18W fast charging via USB-C. Note the lack of data passthrough or wired headset support.
Mophie Juice Pack Wireless
Best iPhone SE Battery Case
### Mophie Juice Pack Wireless
Product Specifications
Capacity: 2,525 mAh
Size: 2.81" x 4.14 x 0.66"
Weight: 3.51 ounces
PROS: Slim, lightweight design; Supports Qi wireless charging.
CONS: Only provides enough battery for one full phone charge.
The iPhone SE (2022)'s battery can struggle with heavy use. The Mophie Juice Pack Wireless provides a full charge, extending usage significantly. Its slim profile adds minimal bulk, and it includes Qi wireless charging and passthrough technology for wired accessories.
Newdery Battery Case
Best Samsung Galaxy S25 Case
### NEWDERY Battery Case
Product Specifications
Capacity: 8,000 mAh
Size: Not listed
Weight: 2.82 ounces
PROS: Display shows charging percentages; Supports wireless charging.
CONS: Difficult to remove phone from case.
The Samsung Galaxy S25's 4,000mAh battery can be depleted quickly with intensive use. The Newdery Battery Case provides an extra 8,000mAh—almost two full charges. It offers wireless and fast charging via USB-C, maintaining NFC and data transfer functionality. The case provides impact protection. Also available for Galaxy S25 Plus and Ultra.
Mophie Juice Pack Connect
Best Battery Case for Any Phone
### Mophie Juice Pack Connect
Product Specifications
Capacity: 5,000 mAh
Size: 2.7" x 4.09" x 0.56"
Weight: 4.4 ounces
PROS: Universal design; Uses Qi wireless charging; Includes a stand.
CONS: Slightly confusing to attach the adapter.
The Mophie Juice Pack Connect is a universal battery pack that attaches to your phone via a small adapter, making it compatible with various devices. It uses Qi wireless charging and includes a built-in stand.
How to Choose the Best Battery Case
-----------------------------------
Selecting a battery case involves balancing capacity, size, and price. Consider whether you need a case for daily use or occasional use (a portable charger might suffice for the latter). Prioritize cases that fit comfortably in your pocket or bag while offering adequate protection. High-capacity cases may lack features like quick or wireless charging.
Battery Case FAQ
-----------------
Are battery cases safe for your phone? Yes, when used correctly. Smartphones monitor charging, preventing overcharging. Ensure the case provides adequate ventilation to prevent overheating.
Should you drain your battery case before charging? No, fully draining lithium-ion batteries can damage them.
