Portable chargers are a fantastic way to extend the battery life of your smartphone or other devices, but they can sometimes be bulky and cumbersome. A sleek alternative is a battery case, which not only keeps your phone charged but also fits snugly to your device, eliminating the hassle of managing cables associated with traditional power banks.
TL;DR – The Best Smartphone Battery Cases:
### Mophie Juice Pack Battery Case
0See it at Amazon
### ZEROLEMON Battery Case
0See it at Amazon
### Mophie Juice Pack Wireless
0See it at Amazon
### NEWDERY Battery Case
0See it at Amazon
### Mophie Juice Pack Connect
1See it at Amazon
When shopping for a battery case, it's crucial to find one that not only boosts your phone's battery life but also offers protection against damage. It should be unobtrusive, not interfering with features like NFC or ports, and ideally support wireless and quick charging for added convenience. However, not all battery cases are created equal; some can add unnecessary bulk or fail to deliver a reliable charge. We've curated a list of the top five battery cases tailored for popular smartphones to help you make an informed decision.
In the market for a new phone? Check out our current recommendations for the best phones to buy right now, plus our best-reviewed Android phones, iPhones, and phones purpose-built for gaming.
Battery cases not your thing? We've also got hand-picked guides for other useful phone accessories like wireless and portable chargers, and screen protectors to save your iPhone 16 Pro from taking any fall damage.
Mophie Juice Pack Battery Case
Best iPhone 16 Pro Battery Case
### Mophie Juice Pack Battery Case
0Enhance your iPhone 16 Pro with a compact and protective case that packs a 2,800mAh battery. 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
- Includes integrated passive magnet for accessories
CONS:
- Limited battery size
The iPhone 16 Pro's 3,582mAh battery is robust for everyday use, but intensive activities like photography, social media scrolling, or gaming can drain it quickly. The Mophie Juice Pack Battery Case adds a 2,800mAh battery, seamlessly integrating into your phone's USB-C port. An indicator light keeps you informed of battery levels, and a stand-by mode prevents overcharging. While the case provides a 50% boost to the iPhone 16 Pro's battery, it maintains a surprisingly slim profile, weighing only 3.5oz, making it one of the best iPhone accessories for portability and convenience.
This case also offers protection against falls up to 6ft and features raised edges to shield your screen and camera from scratches and cracks. Although it includes a passive magnet for accessory attachment, it doesn't support wireless charging.
ZeroLemon Battery Case
Best iPhone 16 Pro Max Battery Case
### ZEROLEMON Battery Case
0Ensure your iPhone 15 Pro Max stays safe and charged with this rugged case featuring dual 5,000mAh 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
Although the iPhone 16 Pro Max boasts a hefty 4,685mAh battery, activities like extended gaming or video recording can deplete it rapidly. ZeroLemon's battery case offers peace of mind with its two 5,000mAh batteries, providing approximately 1.5 extra charges. LED indicators show the charging status and battery levels.
The case's military-grade protection and shockproofing safeguard your phone, though its bulkiness makes it ideal for users with larger hands. It supports 18W fast charging via USB-C, but lacks data passthrough and wired headset support when attached.
Mophie Juice Pack Wireless
Best iPhone SE Battery Case
### Mophie Juice Pack Wireless
0Keep your iPhone SE powered up with this slim, lightweight case that includes a 2,525mAh battery and supports Qi 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
The iPhone SE (2022) offers impressive performance on a budget, but its 2,018mAh battery might struggle to last a full day under heavy use. The Mophie Juice Pack Wireless case adds a full charge, extending your phone's runtime without needing frequent trips to a power outlet.
The case not only boosts battery life but also provides a protective shell that safeguards against short-circuits, overcharging, and temperature fluctuations. It supports wireless charging and passthrough technology for lightning cables and headphones, ensuring you never need to remove the case.
Newdery Battery Case
Best Samsung Galaxy S25 Case
### NEWDERY Battery Case
0Maximize your Samsung Galaxy S25's battery life with this 8,000mAh case, which also supports wireless charging. 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 features a 4,000mAh battery, but intensive use can quickly drain it. The Newdery Battery Case adds an extra 8,000mAh, nearly doubling your phone's capacity without adding excessive bulk. The case connects via the USB-C port, allowing NFC and data transfer even when attached.
You can charge the case wirelessly or use USB-C for fast charging. The case's TPU and PC materials offer protection against potential damage, and it's also available for the Galaxy S25 Plus and Ultra models.
Mophie Juice Pack Connect
Best Battery Case for Any Phone
### Mophie Juice Pack Connect
1Experience the versatility of this universal battery pack that attaches to your phone, supports Qi wireless charging, and includes a handy 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 that uses Qi wireless charging
- Includes a stand
CONS:
- Slightly confusing to attach the adapter
The Mophie Juice Pack Connect offers a versatile solution that adapts to your current and future smartphones. Instead of being a traditional case, it's a battery pack that you attach to your phone or case via a small anchor point. It supports Qi wireless charging and comes with a stand for hands-free viewing.
How to Choose the Best Battery Case
Choosing the perfect battery case involves balancing battery capacity, size, and price. While a high-capacity battery might seem appealing, it can result in a bulkier case that's less convenient to carry. If you only need a charger sporadically, consider a portable charger instead of a case that adds unnecessary bulk and weight.
Look for cases that offer features like quick charging and Qi wireless charging, especially if you plan to keep the case on your phone continuously. These features can enhance your user experience significantly, providing both convenience and efficiency.
Battery Case FAQ
Are battery cases safe for your phone?
Yes, battery cases are safe for your phone if used correctly. They supply power directly to your phone, and once the case's battery is depleted, your phone's battery takes over. Smartphones are equipped with safety features to prevent overcharging. The primary concern is ensuring the case has proper ventilation to avoid overheating.
Should you drain your battery case before charging?
No, it's not necessary to fully drain lithium-based batteries in battery cases. Doing so can actually harm the battery and reduce its capacity over time. Charge your battery case whenever convenient to maintain its health and performance.
