Extend your smartphone's battery life effortlessly with a high-quality portable charger. While traditional power banks can be bulky, a sleek battery case offers a tailored solution, eliminating cable clutter. These cases seamlessly integrate with your phone, providing extra power and protection.
TL;DR – The Best Smartphone Battery Cases:
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### 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 power while offering robust protection. It shouldn't impede functionality (NFC, ports) or add excessive bulk. Wireless and quick charging are significant advantages. However, some cases disappoint with excessive size or 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-focused devices.
Battery cases not for you? Check out our guides on wireless chargers, portable chargers, and screen protectors.
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1. Mophie Juice Pack Battery Case
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### 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.
The iPhone 16 Pro's 3,582mAh battery typically lasts a day with moderate use, but demanding tasks drain it quickly. The Mophie Juice Pack adds 2,800mAh, significantly extending usage. Its compact design adds minimal bulk, remaining surprisingly pocketable. It offers excellent protection, rated for drops up to 6 feet. A built-in magnet supports accessories, but it lacks wireless charging.
2. ZeroLemon Battery Case
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### 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 large 4,685mAh battery can be depleted by intensive use. ZeroLemon's case provides two 5,000mAh batteries for approximately 1.5 extra charges. LED indicators display battery levels. Its rugged design offers military-grade protection, but its bulkier size is a trade-off for the extended battery life. It supports 18W fast charging via USB-C, but lacks data passthrough and wired headset support.
3. Mophie Juice Pack Wireless
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### 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) boasts impressive performance but its 2,018mAh battery can struggle with heavy use. The Mophie Juice Pack Wireless provides a full charge, extending usage significantly. Its slim design adds minimal bulk, and it includes short-circuit, overcharge, and temperature protection. Wireless charging is supported, and passthrough technology allows simultaneous charging and headphone use.
4. Newdery Battery Case
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### 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 quickly depleted with demanding tasks. The Newdery Battery Case adds 8,000mAh – nearly two full charges – extending usage significantly. It supports wireless charging and retains USB-C functionality, including NFC and data transfer. The TPU and PC materials offer good protection.
5. Mophie Juice Pack Connect
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### 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 that uses Qi wireless charging; Includes a stand.
CONS: Slightly confusing to attach the adapter.
The Mophie Juice Pack Connect offers a universal solution. A small anchor attaches to your phone, allowing you to easily connect the 5,000mAh battery pack when needed. It supports Qi wireless charging and includes a built-in stand.
How to Choose the Best Battery Case
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Selecting a battery case involves balancing capacity, size, and price. If you only occasionally need extra power, a portable charger might suffice. Consider a case that fits comfortably in your pocket or bag while providing adequate protection. High-capacity cases often sacrifice features like quick charging and wireless charging. Qi wireless charging is particularly convenient for simultaneous phone and case charging.
Battery Case FAQ
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### Are battery cases safe for your phone?
Yes, when used correctly, battery cases shouldn't damage your phone's battery. Smartphones monitor charging to prevent overloading. However, poor ventilation can lead to overheating.
### Should you drain your battery case before charging?
No, fully draining lithium-ion batteries can damage them, reducing their lifespan. Charge them before they are fully depleted.
