The best portable chargers are a great way to extend the battery life of your smartphone or other devices. However, many of these can be bulky and cumbersome. A battery case, on the other hand, offers a sleek and tailored solution that eliminates the need for cable management that often comes with traditional power banks.
TL;DR – 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
1See it at AmazonBattery cases are essential not only for adding extra power to your phone but also for providing protection against damage. It's important that they don't interfere with your phone's features, such as NFC or ports, and don't add excessive bulk. Features like wireless charging and quick charging enhance the convenience of battery cases. However, not all cases are created equal—some can make your phone too bulky or fail to deliver a reliable charge. To help you find the perfect match, we've compiled a list of five top battery cases for the most popular phones on the market.
In the market for a new phone? Check out our current recommendations for the best phones to buy right now, along with our top-rated Android phones, iPhones, and phones designed specifically for gaming.
Battery cases not your thing? We've also curated guides for other useful phone accessories, including wireless and portable chargers, and screen protectors to shield your iPhone 16 Pro from potential fall damage.
Mophie Juice Pack Battery Case
Best iPhone 16 Pro Battery Case
### Mophie Juice Pack Battery Case
0Experience the perfect blend of protection, extra battery life, and a compact design with this battery case designed for the iPhone 16 Pro. See it at AmazonProduct SpecificationsCapacity2,800 mAhSize6.5" x 2.9" x 0.71" Weight3.5 ouncesPROSCompact and lightweightIncludes integrated passive magnet for accessoriesCONSLimited battery sizeThe iPhone 16 Pro's 3,582mAh battery should last throughout the day with moderate usage. However, when you're snapping photos, scrolling endlessly, or gaming, the battery can deplete quickly. The Mophie Juice Pack Battery Case for iPhone 16 Pro extends its lifespan with an additional 2,800mAh battery. The case easily slides onto your phone and connects to the USB-C port, featuring an indicator light to show battery levels and a stand-by mode to prevent overcharging.
While the Juice Pack may not offer as much extra battery life as some other options, it provides a significant 50% boost to the iPhone 16 Pro, maintaining a compact profile that adds minimal bulk and weighs just 3.5oz. The phone remains easy to handle and fits comfortably into a pocket or bag, making it one of the best iPhone accessories available.
This case also offers robust protection for your iPhone, with a drop rating of up to 6ft, safeguarding it from accidental falls. Raised edges protect the screen and camera from scratches and cracks. Although it includes an integrated passive magnet for attaching to various accessories, it does not 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 powered with this rugged case equipped with two 5,000 mAh batteries and military-grade protection. See it at AmazonProduct SpecificationsCapacity10,000 mAh (2 x 5,000 mAh)Size6.74" x 3.48" x 0.99"Weight8.5 ouncesPROSMilitary-grade protection and shockproofingSupports 18W fast chargingCONSNo data passthrough Despite its large 4,685mAh battery, the iPhone 16 Pro Max can still run out of power, especially during intensive use like Cinematic Mode or Apple Arcade gaming. ZeroLemon's battery case offers peace of mind with two 5,000mAh batteries, providing about 1.5 extra charges. LED indicators on the case show the charging status and battery levels.
ZeroLemon's case is designed for durability, featuring military-grade protection and shockproofing to protect your phone from damage. While the extra 10,000mAh capacity makes the case bulkier, it's ideal for those with larger hands. When connected via USB-C, the case supports speedy 18W fast charging, fully charging your phone in about two hours. However, it does not support data passthrough or wired headsets when attached.
Mophie Juice Pack Wireless
Best iPhone SE Battery Case
### Mophie Juice Pack Wireless
0Boost your iPhone SE's battery life with this slim, lightweight protective case that includes a 2,525mAh battery and supports Qi charging. See it at AmazonProduct SpecificationsCapacity2,525mAhSize2.81" x 4.14 x 0.66"Weight3.51 ouncesPROSSlim, lightweight designSupports Qi wireless chargingCONSOnly provides enough battery for one full phone chargeThe iPhone SE (2022) is an impressive budget smartphone, known for its strong performance on the latest iOS version. Yet, its 2,018mAh battery may struggle to last a full day with intensive use. The Mophie Juice Pack Wireless provides a full charge, extending your phone's uptime without needing frequent trips to a power outlet.
This Mophie case not only extends your phone's daily usage but also enhances its longevity by encasing it in a slim, protective shell that adds minimal bulk. It includes safeguards against short-circuiting, over-charging, and temperature fluctuations. You can recharge the case and your phone simultaneously on a wireless charger, and passthrough technology allows for the use of a lightning cable or headphones without removing the case.
Newdery Battery Case
Best Samsung Galaxy S25 Case
### NEWDERY Battery Case
0Enhance your Samsung Galaxy S25 with an 8,000 mAh battery, compact design, and wireless charging capabilities. See it at AmazonProduct SpecificationsCapacity8,000 mAhSizeNot listedWeight2.82 ouncesPROSDisplay shows charging percentagesSupports wireless chargingCONSDifficult to remove phone from caseThe Samsung Galaxy S25 boasts a substantial 4,000mAh battery for its size, but intensive use can drain it faster than expected. The Newdery Battery Case provides an additional 8,000mAh, nearly two full charges, ensuring you can use the phone's more demanding features without worrying about running out of power.
The Newdery Battery Case seamlessly connects to your Galaxy S25 via the USB-C port, delivering power while maintaining access to NFC and data transfer. It supports wireless charging, and fast charging via USB-C allows for quick recharges. Beyond extending battery life, the case's TPU and PC materials offer solid protection against potential damage.
This case is also compatible with the Galaxy S25 Plus and Galaxy S25 Ultra models.
Mophie Juice Pack Connect
Best Battery Case for Any Phone
### Mophie Juice Pack Connect
1Enhance any smartphone with this versatile battery pack that attaches via Qi wireless charging and includes a convenient stand. See it at AmazonProduct SpecificationsCapacity5,000 mAhSize2.7" x 4.09" x 0.56" Weight4.4 ouncesPROSUniversal design that uses Qi wireless chargingIncludes a standCONSSlightly confusing to attach the adapterA battery case can be a great investment, but it often becomes obsolete when you upgrade your phone. The Mophie Juice Pack Connect offers a solution that works with your current phone and is likely compatible with future models. Rather than a traditional case, it's a battery pack that attaches to your phone.
With the Juice Pack Connect, you attach a small anchor point to your phone or phone case, allowing you to easily connect the 5,000mAh battery pack when needed. It uses Qi wireless charging, supporting a variety of smartphones and enabling wireless recharging. The included stand is perfect for propping up your phone while watching videos or reviewing documents.
How to Choose the Best Battery Case
Choosing the right battery case involves more than just selecting the one with the largest capacity. Oversized cases can be impractical for everyday carry. The ideal case balances battery capacity, size, and price.
If you're only looking for something to throw in your bag occasionally, a portable charger might be a better choice. There's no need for a phone-specific case if you're not going to use it regularly, as that space could be better used for more energy cells. Instead, find a battery case that fits comfortably in your pocket or bag without adding too much weight or bulk, while also providing protection for your phone.
Another consideration is that high-capacity cases often lack other useful features like quick charging and Qi charging, which are important if you plan to keep the case on your phone continuously. These features are particularly convenient for charging both your phone and the case wirelessly at the same time.
Battery Case FAQ
Are battery cases safe for your phone?
Yes, battery cases are generally safe for your phone, provided they are 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 designed to monitor battery health and prevent overcharging. The main risk is overheating, which can be mitigated with proper ventilation in the case.
Should you drain your battery case before charging?
No, it's not necessary to fully drain lithium-based batteries found in battery cases. In fact, completely draining them can damage the battery and reduce its capacity over time.
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