News about The Best Battery Cases for Smartphones in 2025

Extend your smartphone's battery life effortlessly with a top-rated portable battery case. Unlike bulky portable chargers, battery cases offer a sleek, integrated solution, eliminating cable clutter. They provide extra power while simultaneously protecting your phone.

TL;DR – Top 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 seamlessly blends extended battery life, robust protection, and unimpeded phone functionality (NFC, ports, etc.). Wireless and fast charging capabilities are major pluses. However, some cases add excessive bulk or offer unreliable charging. We've curated five top-performing cases for leading smartphones.

Looking for a new phone? Explore our recommendations for the best phones, including top-rated Androids, iPhones, and gaming phones.

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

Mophie Juice Pack 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.

Extend your iPhone 16 Pro's battery life with this compact and protective case. Its 2,800mAh battery provides a substantial boost, while maintaining a surprisingly slim profile. It offers drop protection up to 6 feet and includes a magnet for accessories. While not offering the longest battery life, its compact design and protection make it a top choice.

2. ZeroLemon Battery Case

Best iPhone 16 Pro Max Battery Case

ZEROLEMON Battery Case 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.

Power through extended use with ZeroLemon's rugged case, boasting a massive 10,000mAh battery (two 5,000mAh batteries) and military-grade protection. While bulkier, it delivers exceptional battery life and robust protection. Enjoy fast 18W charging, though note that data passthrough and wired headset use are not supported.

3. Mophie Juice Pack Wireless

Best iPhone SE Battery Case

Mophie Juice Pack Wireless 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: Only provides enough battery for one full phone charge.

This slim, Qi-compatible case extends the iPhone SE's battery life with a 2,525mAh battery. It offers protection and convenience, allowing wireless charging and passthrough for wired accessories.

4. NEWDERY Battery Case

Best Samsung Galaxy S25 Case

NEWDERY Battery Case 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 Newdery case provides a substantial 8,000mAh battery boost for the Samsung Galaxy S25, offering nearly two full charges. It supports wireless and fast charging, and maintains NFC and data transfer capabilities through the USB-C port.

5. Mophie Juice Pack Connect

Best Universal Battery Case

Mophie Juice Pack Connect 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 using Qi wireless charging; Includes a stand.
Cons: Slightly confusing to attach the adapter.

The Mophie Juice Pack Connect offers a universal solution, compatible with various phones via Qi wireless charging. It includes a convenient stand and provides a substantial 5,000mAh power boost.

Choosing the Right Battery Case

Selecting a battery case involves balancing capacity, size, and price. Consider your needs: A high-capacity case might be too bulky for daily carry. Prioritize features like fast charging and Qi wireless charging for optimal convenience.