The best portable chargers can significantly extend the battery life of your smartphone or other devices. However, these power banks can often be cumbersome. A battery case offers a sleeker alternative, specifically designed for your phone, and eliminates the hassle of managing cables that comes with traditional power banks.
TL;DR – The Best Smartphone Battery Cases:
### Mophie Juice Pack Battery Case
0See it at Amazon
### ZEROLEMON Battery Case
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### Mophie Juice Pack Wireless
0See it at Amazon
### NEWDERY Battery Case
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### Mophie Juice Pack Connect
1See it at AmazonBattery cases are designed to not only boost your phone's battery life but also provide an extra layer of protection against damage. It's crucial that they don't interfere with your phone's features, such as NFC or ports, and don't add excessive bulk. Features like wireless and quick charging further enhance their convenience. However, some battery cases might make your phone bulkier or fail to deliver a reliable charge. To help you find the perfect match, we've compiled a list of five top-rated battery cases for the leading smartphones on the market.
In the market for a new phone? Check out our current recommendations for the best phones to buy right now, including our top picks for Android phones, iPhones, and devices optimized for gaming.
Battery cases not your thing? We've also curated guides for other essential phone accessories, such as wireless and portable chargers, and screen protectors to shield your iPhone 16 Pro from potential drops.
Mophie Juice Pack Battery Case
Best iPhone 16 Pro Battery Case
### Mophie Juice Pack Battery Case
0Experience enhanced protection, additional battery life, and a sleek 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 easily last a day with moderate use. However, activities like photography, browsing, or gaming can quickly drain its power. The Mophie Juice Pack Battery Case adds an extra 2,800mAh, ensuring your device lasts longer. The case seamlessly integrates with your phone, connecting via the USB-C port, and features an indicator light for easy monitoring of battery levels. It also includes a stand-by mode to prevent overcharging.
Although the Juice Pack doesn't offer the largest battery boost compared to other options, its 50% increase in battery life for the iPhone 16 Pro is significant. Its compact design adds minimal bulk and weighs only about 3.5 ounces, making it easy to handle and slip into a pocket or bag. It's one of the best iPhone accessories you can invest in.
This case also offers robust protection for your iPhone, with a rating for falls up to 6 feet. It helps prevent the heart-stopping moments when your phone slips from your grasp. The raised edges protect the screen and camera from scratches and cracks. While the case includes a passive magnet for attaching accessories, it does not support wireless charging.
ZeroLemon Battery Case
Best iPhone 16 Pro Max Battery Case
### ZEROLEMON Battery Case
0Safeguard and charge your iPhone 15 Pro Max with this rugged case that includes 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 The iPhone 16 Pro Max boasts a large 4,685mAh battery, but for those who indulge in features like Cinematic Mode or Apple Arcade gaming, extra power is essential. ZeroLemon's battery case provides peace of mind with its dual 5,000mAh batteries, offering approximately 1.5 extra charges. LED indicators keep you informed about the charging status and battery levels.
ZeroLemon's case offers military-grade protection and shockproofing, ensuring your phone remains safe from damage. While it's bulkier due to its 10,000mAh capacity, it's ideal for users with larger hands. The case supports 18W fast charging, fully charging your phone in about two hours via USB-C. Unfortunately, it doesn't support data pass-through or wired headsets when attached.
Mophie Juice Pack Wireless
Best iPhone SE Battery Case
### Mophie Juice Pack Wireless
0Enhance your iPhone SE's battery life with this slim, lightweight 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 a powerful budget smartphone with impressive performance on the latest iOS. However, its 2,018mAh battery may struggle with heavy use throughout the day. The Mophie Juice Pack Wireless case offers a full charge, extending your device's runtime.
This Mophie case not only extends your phone's daily use but also offers protection without adding significant bulk. It includes short-circuit, over-charge, and temperature protection for your device's safety. The case supports wireless charging via Qi, and passthrough technology allows for connecting lightning cables or headphones without removing the case.
Newdery Battery Case
Best Samsung Galaxy S25 Case
### NEWDERY Battery Case
0Equipped with an 8,000 mAh battery, a compact design, and wireless charging, the NEWDERY Battery Case is a versatile option for the Samsung Galaxy S25. See it at AmazonProduct SpecificationsCapacity8,000 mAhSizeNot listedWeight2.82 ouncesPROSDisplay shows charging percentagesSupports wireless chargingCONSDifficult to remove phone from caseThe Samsung Galaxy S25 features a high-capacity 4,000mAh battery for its compact size. Yet, heavy usage can deplete it quickly. The Newdery Battery Case adds an extra 8,000mAh, nearly doubling your battery life without adding excessive bulk.
The case easily slides onto your Galaxy S25 and connects via the USB-C port for efficient power delivery. It maintains NFC and data transfer capabilities even when attached. For those with wireless chargers, the case can be charged this way, while fast charging via USB-C ensures quick recharges. The case's TPU and PC materials also provide robust protection against potential damage.
This case is also available for the Galaxy S25 Plus and Galaxy S25 Ultra models.
Mophie Juice Pack Connect
Best Battery Case for Any Phone
### Mophie Juice Pack Connect
1This universal battery solution attaches to your phone, wirelessly charging it, and includes a handy 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 adapterWhile battery cases are great, they often become obsolete when you upgrade your phone. The Mophie Juice Pack Connect offers a versatile solution that can work with your current and future devices. Rather than encasing your phone, it attaches a battery to it.
With the Juice Pack Connect, you attach a small anchor to your phone or case, allowing you to easily slip on the 5,000mAh battery pack when needed. The battery uses Qi wireless charging, making it compatible with various smartphones and capable of wireless recharging. It also features a convenient stand for hands-free viewing.
How to Choose the Best Battery Case
Choosing the right battery case isn't just about finding the one with the largest capacity; it's about balancing battery capacity, size, and price. If you're only planning to carry the case occasionally, a portable charger might be more suitable. A battery case should fit comfortably in your pocket or bag without adding too much weight or bulk, while also offering protection for your phone.
Opting for the highest capacity might mean sacrificing features like quick and wireless charging, which are crucial if you intend to keep the case on your phone at all times. Wireless charging, in particular, is beneficial for charging both your phone and the case simultaneously.
Battery Case FAQ
Are battery cases safe for your phone?
Yes, battery cases are safe for your phone when used correctly. They supply power directly to your phone, and once the case is drained, your phone's battery takes over. Modern smartphones can monitor charging to prevent overloading. The main concern is overheating if the case lacks proper ventilation.
Should you drain your battery case before charging?
No, it's not necessary to drain lithium-based batteries in battery cases. Doing so could even harm the battery, reducing its capacity over time.
