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10 Best Iphone Battery Cases 2025 in the United States

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Our Top Picks

#1

Winner

Anker 621 Magnetic Portable Charger (MagGo), 5,000mAh Wireless Power Bank with USB-C Cable, Magsafe-Compatible Battery Pack for iPhone 16 /15/14/13/12 Series

The Anker 621 Magnetic Portable Charger (MagGo) is a compact and convenient battery pack designed specifically for iPhone 12 to 16 series users. With a battery capacity of 5,000mAh, it provides a decent boost for your phone on the go, making it particularly beneficial for those who frequently find themselves away from charging points. The product's unique MiniCell technology ensures that it's lightweight and fits easily in your pocket or bag, which is a significant advantage for users who prioritize portability.

One of the standout features is its strong magnetic attachment, allowing for a secure connection to the back of your iPhone. This design not only prevents disconnections during use but also makes it easy to operate your phone one-handed, which is a nice touch for multitaskers. The wireless charging capability simplifies the charging process; just snap it to your phone, and you're good to go. Users should expect some heating during use, which is typical for this type of device due to the efficiency of the charging conversion.

The 5,000mAh capacity may not fully recharge your iPhone from a low battery, especially on newer models with larger batteries. Those looking for a more robust solution might find this limiting. Additionally, while it's compatible with MagSafe, you might need to ensure your case is also compatible to maintain the magnetic connection.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Battery Capacity
Perfect for getting through a long day without worrying about your phone battery, offering 64-85% of a phone charge.
Charging Speed
While it's not the fastest charger, it reliably charges your phone, making it a great rescue battery for daily use.
Design and Weight
Provides a kind of freedom that larger power banks don't, being tiny, lightweight, and barely noticeable in your pocket.
Protection Level
The strong magnetic attachment ensures the charger grips well and stays connected, even with a heavy-duty case.
Additional Features
The heat generated during charging is contained within the battery itself and does not radiate to the phone, which is a minor inconvenience for some.
#2

mophie Juice Pack Battery Case for iPhone 16 - Slim Charging Case, Magnetic Back for Wallets & Mounts, +50% Extra Battery Life, Enhanced 6-Foot Drop Protection, Sustainable Material, Black

The mophie Juice Pack Battery Case for the iPhone 16 is a solid choice for those looking to extend their phone's battery life while ensuring protection. With a built-in 2,800mAh battery, this case offers up to 50% extra power, making it great for heavy users who enjoy music, movies, and photography on-the-go. The slim design is a standout feature, making it easy to carry while providing enhanced drop protection for everyday mishaps. Weighing in at just 8.6 ounces, it doesn’t add much bulk, allowing your phone to fit comfortably in your pocket.

One of the unique aspects of this case is its magnetic compatibility, designed for secure attachment to compatible wallets and mounts. However, it does not support magnetic charging, which might be a downside for some users who prefer that convenience. Additionally, the priority plus charging feature ensures your iPhone charges first, giving you peace of mind that your device is powered up before the case itself.

On the sustainability front, mophie has made strides by using up to 50% post-consumer recycled plastics, appealing to eco-conscious consumers. The USB-C port for charging is another modern touch that adds to its versatility.

While the mophie Juice Pack excels in many areas, it may not be the best fit for everyone. Some users might find the price point slightly higher compared to other battery cases. Furthermore, while the protective features are commendable, those looking for maximum ruggedness might want to consider other options that offer even more robust protection. This battery case is ideal for those who prioritize extended battery life and a sleek, protective design, but it may not cater to everyone’s specific needs in terms of ruggedness and magnetic charging functionality.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Battery Capacity
The extra 50% battery life is a lifesaver during long workdays, travel, or capturing photos and videos.
Compatibility
Magnetic compatibility works flawlessly with magnetic wallets and car mounts, adding convenience for day-to-day use.
Design and Weight
The slim design fits comfortably in the hand while maintaining a premium feel.
Protection Level
Enhanced drop protection has kept phones in pristine condition even after accidental drops.
Additional Features
Eco-friendly materials make users feel good about using a product that’s better for the environment.
#3

Anker 321 MagGo Battery (PowerCore Magnetic 5K), 5,000mAh Magnetic Wireless Portable Charger, Compatible with iPhone 15/15 Plus/15 Pro/15 Pro Max, iPhone 14/13/12 Series(Black)

The Anker 321 MagGo Battery is a compact magnetic wireless charger designed specifically for iPhone users, particularly those with the latest models like the iPhone 15 series and previous generations. One of its standout features is its 5,000mAh battery capacity, which can extend video playtime by up to 19 hours, providing substantial additional power when you're on the go. Its sleek design, measuring just 3.7 x 2.5 x 0.59 inches and weighing only 4.5 ounces, makes it easy to slip into a pocket or bag, making it a great travel companion.

This power bank also boasts impressive safety features, including NTC sensors that monitor temperature continuously, ensuring a safer charging experience. A notable advantage is the ability to charge your iPhone while the power bank itself is recharging, which can be quite handy for users who need to maximize their charging efficiency.

The Anker 321 MagGo Battery is an excellent choice for iPhone users seeking a portable, stylish, and safe way to keep their devices charged during travel.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Battery Capacity
While the battery capacity is good, the charge level doesn't last as long as expected during standby periods.
Compatibility
The magnetic attachment is strong and secure, making it convenient for use with MagSafe cases.
Charging Speed
For travel purposes, this charger is quite effective, taking an iPhone from 50% to 80% in about an hour.
Design and Weight
It's compact and lightweight, fitting easily in a pocket or small purse, perfect for travel.
Protection Level
The charger does get hot, but it has a safety mechanism to cool down and resume charging safely.
Additional Features
The Anker 321 MagGo Battery provides a steady charge without overheating, thanks to its reliable circuitry.

Buying Guide for the Best Iphone Battery Cases

When choosing an iPhone battery case, it's important to consider several key specifications to ensure you get the best fit for your needs. A battery case can provide extra power to your iPhone, extending its battery life and offering protection. Understanding the key specs will help you make an informed decision and find a case that meets your requirements.
Battery CapacityBattery capacity is measured in milliampere-hours (mAh) and indicates how much charge the battery case can hold. This spec is crucial because it determines how much extra power your iPhone will receive. Battery capacities can range from around 2000mAh to over 5000mAh. If you use your phone heavily throughout the day, opt for a higher capacity (3000mAh or more) to ensure you have enough power. For lighter use, a lower capacity (2000-3000mAh) may suffice.
CompatibilityCompatibility refers to whether the battery case fits your specific iPhone model. This is important because different iPhone models have different dimensions and port placements. Always check that the battery case is designed for your exact iPhone model (e.g., iPhone 12, iPhone 13) to ensure a proper fit and functionality. Using a case that is not compatible can result in poor performance or even damage to your phone.
Charging SpeedCharging speed indicates how quickly the battery case can charge your iPhone. This is important if you need to quickly top up your phone's battery. Charging speeds can vary, with some cases offering fast charging capabilities. Look for cases that support fast charging if you often find yourself needing a quick boost. If you typically charge your phone overnight, charging speed may be less critical.
Design and WeightThe design and weight of the battery case affect the overall feel and usability of your iPhone. A bulkier case may provide more protection and battery capacity but can make your phone heavier and less comfortable to hold. Consider how much extra weight and size you are willing to add to your phone. If you prioritize a slim and lightweight design, look for cases that balance battery capacity with a sleek profile.
Durability and ProtectionDurability and protection refer to how well the battery case can protect your iPhone from drops, scratches, and other damage. This is important if you want to keep your phone safe while extending its battery life. Cases made from high-quality materials like polycarbonate or TPU offer better protection. If you are prone to dropping your phone or work in a rugged environment, prioritize a case with enhanced durability features.
Additional FeaturesAdditional features can include things like wireless charging compatibility, LED indicators for battery level, and pass-through charging (allowing you to charge both the case and phone simultaneously). These features can add convenience and functionality to your battery case. Consider which additional features are important to you based on your usage habits. For example, if you use wireless chargers, ensure the case supports wireless charging.

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