Home News The Best Battery Cases for Smartphones in 2025

The Best Battery Cases for Smartphones in 2025

Author : Eric Mar 18,2025

Extend your smartphone's battery life effortlessly with a sleek and convenient battery case. Unlike bulky portable chargers, battery cases offer a tailored solution, eliminating cable clutter. They seamlessly integrate with your phone, providing extra power and often added protection.

TL;DR – Top Smartphone Battery Cases:

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Mophie Juice Pack Battery Case### Mophie Juice Pack Battery Case

See it at Amazon

ZEROLEMON Battery Case### ZEROLEMON Battery Case

See it at Amazon

Mophie Juice Pack Wireless### Mophie Juice Pack Wireless

See it at Amazon

NEWDERY Battery Case### NEWDERY Battery Case

See it at Amazon

Mophie Juice Pack Connect### Mophie Juice Pack Connect

See it at Amazon

The ideal battery case boosts your phone's power, protects it from damage, and doesn't hinder functionality like NFC or ports. Wireless and quick charging are added bonuses. However, some cases are too bulky or unreliable. 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.

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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### Mophie Juice Pack Battery Case

Enjoy robust protection, extended battery life, and a compact design with this iPhone 16 Pro battery case. See it at Amazon

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 may struggle with heavy use. The Mophie Juice Pack adds a significant boost, extending its lifespan considerably. Its compact design and lightweight feel make it surprisingly easy to carry. It also offers excellent drop protection (up to 6ft) and protects against scratches.

2. ZeroLemon Battery Case

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### Best iPhone 16 Pro Max Battery Case

ZEROLEMON Battery Case### ZEROLEMON Battery Case

Safeguard and power your iPhone 16 Pro Max with this rugged case featuring two 5,000 mAh batteries and military-grade protection. See it at Amazon

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 battery can benefit from this case's massive 10,000mAh capacity, providing ample extra power for intensive tasks. Its rugged build ensures excellent protection, though its bulkier size should be considered.

3. Mophie Juice Pack Wireless

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### Best iPhone SE Battery Case

Mophie Juice Pack Wireless### Mophie Juice Pack Wireless

Power up your iPhone SE with this slim, lightweight protective case featuring a 2,525mAh battery and Qi wireless charging. See it at Amazon

Product Specifications

Capacity: 2,525mAh

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.

This case provides a full charge for the iPhone SE, extending its battery life significantly without adding excessive bulk. Its wireless charging capability adds to its convenience.

4. NEWDERY Battery Case

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### Best Samsung Galaxy S25 Case

NEWDERY Battery Case### NEWDERY Battery Case

Boasting an 8,000 mAh battery, compact design, and wireless charging, the NEWDERY Battery Case for the Samsung Galaxy S25 offers exceptional value. See it at Amazon

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.

This case provides nearly two full charges for the Galaxy S25, extending its battery life for even the most demanding users. Its wireless charging support and compact design make it a compelling option.

5. Mophie Juice Pack Connect

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### Best Universal Battery Case

Mophie Juice Pack Connect### Mophie Juice Pack Connect

This universal battery attaches to your phone, offers wireless charging, and includes a convenient stand. See it at Amazon

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 offers a versatile solution, compatible with various phones through its Qi wireless charging capabilities. Its included stand adds extra functionality.

How to Choose the Best Battery Case

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Choosing a battery case requires balancing capacity, size, and price. Consider whether you need a case for everyday use or just occasional trips. High-capacity cases sometimes lack features like quick or wireless charging. Find a case that fits your needs and lifestyle.

Battery Case FAQ

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### Are battery cases safe for your phone?

Yes, when used correctly. Smartphones monitor charging to prevent overcharging. Proper ventilation is key to prevent overheating.

### Should you drain your battery case before charging?

No, fully draining lithium-ion batteries can damage them. Charge them regularly to maintain optimal performance.

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