The Best Battery Cases for Smartphones in 2025

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 more integrated solution, eliminating cable clutter. These cases seamlessly add extra power while providing protection for your device.

TL;DR – The Best Smartphone Battery Cases:

------------------------------------------

### Mophie Juice Pack Battery Case

See it at Amazon

### ZEROLEMON Battery Case

See it at Amazon

### Mophie Juice Pack Wireless

See it at Amazon

### NEWDERY Battery Case

See it at Amazon

### Mophie Juice Pack Connect

See it at Amazon

The ideal battery case extends your phone's battery life, protects against damage, and doesn't hinder functionality like NFC or ports. Wireless and quick charging are significant pluses. However, some cases add excessive bulk or offer unreliable charging. We've curated five top-rated battery cases for popular smartphones.

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.

-------

1. Mophie Juice Pack Battery Case

---------------------------------

### Best iPhone 16 Pro Battery Case

### Mophie Juice Pack Battery Case

Enjoy enhanced 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 usually lasts a day with moderate use. However, intensive tasks like photography or gaming drain it faster. The Mophie Juice Pack adds a substantial boost, extending battery life significantly. Its compact design adds minimal bulk, remaining easy to handle and pocket-friendly. It also offers drop protection up to 6 feet and raised edges to protect the screen and camera. Note: It doesn't support wireless charging.

2. ZeroLemon Battery Case

-------------------------

### Best iPhone 16 Pro Max 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 be depleted by intensive use. ZeroLemon's case provides approximately 1.5 extra charges. Its robust design offers military-grade protection. While bulkier than other options, it offers 18W fast charging via USB-C. Note: Data passthrough and wired headset use are not supported.

3. Mophie Juice Pack Wireless

-----------------------------

### Best iPhone SE Battery Case

### Mophie Juice Pack Wireless

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

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: Provides one full phone charge.

The iPhone SE's battery may struggle with heavy use. The Mophie Juice Pack Wireless provides a full charge, extending usage time. Its slim design adds minimal bulk, and it offers Qi wireless charging and passthrough technology for wired accessories.

4. Newdery Battery Case

-----------------------

### Best Samsung Galaxy S25 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 impressive features. 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.

The Samsung Galaxy S25's battery can be quickly drained by demanding apps. The Newdery Battery Case adds almost two full charges, supporting both wireless and fast wired charging via USB-C. It maintains NFC and data transfer functionality. Also available for Galaxy S25 Plus and Ultra models.

5. Mophie Juice Pack Connect

----------------------------

### Best Battery Case for Any Phone

### 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 adapter attachment.

The Mophie Juice Pack Connect is a versatile solution compatible with various phones. It uses a small anchor point and a 5,000mAh battery pack that supports 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. If you only need occasional extra power, a portable charger might suffice. The ideal case fits comfortably in your pocket or bag while offering adequate protection. High-capacity cases often lack quick charging or Qi wireless charging, so consider these features alongside battery size.

Battery Case FAQ

-----------------

### Are battery cases safe for your phone?

Yes, when used correctly. Your phone manages charging, preventing overloading. 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. Charge before the battery is completely depleted.