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Extend your smartphone's battery life effortlessly with a top-rated portable charger—but avoid the bulk! A sleek battery case offers a tailored solution, eliminating cable clutter and providing a seamless charging experience. These cases not only boost your phone's power but also add a layer of protection.
In short: The Best Smartphone Battery Cases
Mophie Juice Pack Battery Case
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ZEROLEMON Battery Case
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Mophie Juice Pack Wireless
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NEWDERY Battery Case
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Mophie Juice Pack Connect
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The ideal battery case seamlessly integrates extra power and robust protection without compromising phone functionality (like NFC or ports) or adding excessive bulk. Wireless and quick charging are significant advantages. However, some cases fall short, adding unnecessary size or unreliable charging. We've curated five exceptional battery cases for leading smartphones.
Looking for a new phone? Explore our recommendations for the best phones, including top Androids, iPhones, and gaming-focused devices.
Battery cases not your style? Check out our guides on wireless chargers, portable chargers, and screen protectors.
1. Mophie Juice Pack Battery Case
Best iPhone 16 Pro Battery Case
Enjoy robust protection, extended battery life, and a compact design with this iPhone 16 Pro battery case. See it at Amazon
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 may struggle under heavy use. The Mophie Juice Pack adds a substantial boost (approximately 50%), extending battery life significantly while remaining surprisingly compact and lightweight. It offers excellent drop protection (up to 6ft) and protects against scratches. Note: It does not support wireless charging.
2. ZeroLemon Battery Case
Best iPhone 16 Pro Max Battery Case
Safeguard and power your iPhone 16 Pro Max with this rugged case featuring dual 5,000 mAh batteries and military-grade protection. See it at Amazon
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; supports 18W fast charging.
Cons: No data passthrough.
Even the iPhone 16 Pro Max's large battery can be depleted by demanding tasks. ZeroLemon's case provides approximately 1.5 extra charges, offering exceptional peace of mind. Its robust build ensures superior protection, though its larger size is a consideration.
3. Mophie Juice Pack Wireless
Best iPhone SE Battery Case
Power up your iPhone SE with this slim, lightweight protective case featuring a 2,525mAh battery and Qi wireless charging. See it at Amazon
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: Provides one full phone charge.
This case extends the iPhone SE's battery life significantly while offering slim protection. Wireless charging convenience and passthrough technology for accessories are key features.
4. NEWDERY Battery Case
Best Samsung Galaxy S25 Case
The NEWDERY Battery Case for Samsung Galaxy S25 boasts an 8,000 mAh battery, compact design, and wireless charging capabilities. See it at Amazon
Specifications:
Capacity: 8,000 mAh
Size: Not listed
Weight: 2.82 ounces
Pros: Charging percentage display; supports wireless charging.
Cons: Difficult to remove phone from case.
Providing nearly two full charges, the Newdery case significantly extends the Galaxy S25's battery life without adding excessive bulk. It supports wireless charging and maintains NFC and data transfer functionality.
5. Mophie Juice Pack Connect
Best Universal Battery Case
This universal battery attaches to your phone, offers wireless charging, and includes a convenient stand. See it at Amazon
Specifications:
Capacity: 5,000 mAh
Size: 2.7" x 4.09" x 0.56"
Weight: 4.4 ounces
Pros: Universal design; Qi wireless charging; includes a stand.
Cons: Slightly confusing adapter attachment.
The Mophie Juice Pack Connect offers a future-proof solution, compatible with various phones via a small attachment point. Its Qi wireless charging and included stand add further convenience.
Choosing the Right Battery Case
Selecting a battery case involves balancing capacity, size, and price. Consider your needs: if you only need occasional extra power, a portable charger might suffice. Prioritize cases that fit comfortably in your pocket or bag without excessive weight or bulk, while also providing adequate protection. High-capacity cases often lack features like quick charging or Qi charging; these are valuable features to consider.
Battery Case FAQ
Are battery cases safe for your phone?
Yes, when used correctly. The phone draws power directly from the case; once depleted, it switches to the phone's battery. Smartphones monitor charging to prevent overloading. Overheating is the primary concern; choose well-ventilated cases.
Should you drain your battery case before charging?
No. Fully draining lithium-ion batteries can damage them, reducing their capacity over time.
