The iPhone 6 Plus, despite its age, remains a capable smartphone for many users. However, battery degradation is an inevitable challenge. Fortunately, the market still offers excellent solutions to keep your device powered throughout the day and beyond. Battery cases provide a dual function: extending your phone’s battery life and offering protection against everyday wear and tear.
Navigating the options can be daunting, so we’ve compiled a list of the five best battery cases for the iPhone 6 Plus in 2026. These selections prioritize battery capacity, protection, design, and user satisfaction to ensure you get the most out of your beloved device.
Quick Comparison
| Product | Best For | Rating |
|---|---|---|
| Mophie Juice Pack Plus for iPhone 6 Plus | Extended daily use | 4.5/5 |
| Anker Ultra Slim Extended Battery Case for iPhone 6 Plus | Slim profile with good capacity | 4.3/5 |
| Alpatronix BXX for iPhone 6 Plus | High capacity charging | 4.4/5 |
| ZeroLemon rugged battery case for iPhone 6 Plus | Maximum protection and power | 4.2/5 |
| JCE Battery Case for iPhone 6 Plus | Affordable power boost | 4.1/5 |
1. Mophie Juice Pack Plus for iPhone 6 Plus - Best Overall
The Mophie Juice Pack Plus has long been a benchmark for iPhone battery cases, and it continues to be a strong contender for the iPhone 6 Plus. This case offers a substantial battery boost, often providing an additional 60% or more charge, which is perfect for a full day of heavy usage. Its design is sleek and comfortable to hold, integrating seamlessly with the phone’s form factor without adding excessive bulk. The pass-through charging feature allows you to charge both the case and the phone simultaneously.
Beyond its battery capabilities, the Juice Pack Plus provides good everyday protection. It features a raised edge to safeguard the screen and a durable shell to withstand minor drops and scratches. The LED indicators clearly show the remaining battery power in the case, so you’re never caught off guard. For users seeking a reliable, well-rounded solution, the Mophie Juice Pack Plus stands out.
2. Anker Ultra Slim Extended Battery Case for iPhone 6 Plus - Best Budget
Anker is known for its quality charging accessories, and their Ultra Slim Extended Battery Case for the iPhone 6 Plus is no exception, especially for those on a budget. This case focuses on providing a significant power increase without making your phone feel like a brick. It typically adds around 40-50% extra battery life, which is more than enough to get you through a typical day.
The “Ultra Slim” moniker is well-earned, as this case maintains a relatively slim profile compared to many other battery cases on the market. It also incorporates essential protection features, including a soft inner lining to prevent scratches and a sturdy outer shell. The simple button operation and clear LED indicators make it user-friendly. If you’re looking for a cost-effective way to extend your iPhone 6 Plus’s battery life without sacrificing too much in terms of aesthetics and size, this Anker case is an excellent choice.
3. Alpatronix BXX for iPhone 6 Plus - Best High Capacity
For users who demand the absolute maximum battery capacity, the Alpatronix BXX for iPhone 6 Plus is a top-tier option. This case is engineered to deliver a significant power reserve, often capable of providing over 100% extra charge. Whether you’re a frequent traveler, a heavy gamer, or simply someone who forgets to charge their phone regularly, this case ensures you’ll have power when you need it most.
Beyond its impressive battery capacity, the Alpatronix BXX offers robust protection. It has a durable construction that shields your iPhone 6 Plus from impacts and scratches. The case also features a raised lip to protect the screen and camera. While it does add some bulk, the trade-off for extended battery life is often well worth it for power users. The simple installation and the included kickstand for media viewing are thoughtful additions.
4. ZeroLemon rugged battery case for iPhone 6 Plus - Best Protection
If your iPhone 6 Plus spends a lot of time in demanding environments or you’re prone to accidental drops, the ZeroLemon rugged battery case is the ideal companion. This case is built like a tank, offering superior protection against shocks, drops, and scratches. Its multi-layer design, often combining a hard polycarbonate shell with a shock-absorbent TPU interior, provides peace of mind for even the most active users.
Of course, the ZeroLemon case doesn’t skimp on battery power either. It typically boasts a very high capacity, ensuring your phone stays charged for extended periods. The rugged design does mean it’s one of the bulkier options, but the level of protection and the extended battery life it provides are unmatched. For those who prioritize durability and long-lasting power above all else, this ZeroLemon case is a solid investment.
5. JCE Battery Case for iPhone 6 Plus - Best Value
The JCE Battery Case for iPhone 6 Plus offers a compelling balance of features and affordability, making it a great value proposition. This case provides a decent battery extension, typically adding enough charge to get you through a significant portion of the day, without breaking the bank. It’s a practical solution for those who need a reliable power boost on a tighter budget.
The design is generally straightforward and functional, offering a reasonable level of protection against everyday bumps and scrapes. While it might not have all the premium features of higher-end models, it reliably performs its primary function: keeping your iPhone 6 Plus powered up. The ease of use, with simple button controls and clear battery indicators, makes it an accessible choice for anyone looking to enhance their iPhone’s battery life.
How to Choose
When selecting a battery case for your iPhone 6 Plus, consider your primary needs. If you’re a power user who needs to last multiple days without a wall charger, prioritize cases with the highest mAh capacity, like the Alpatronix BXX or ZeroLemon. For everyday use, a case offering an additional 50-70% charge, such as the Mophie Juice Pack Plus, might be sufficient and offer a more balanced form factor.
Think about the level of protection you require. If you’re prone to dropping your phone, a rugged case like the ZeroLemon will be more suitable. If you prefer a slimmer profile, look for “ultra-slim” designs from brands like Anker. Finally, consider your budget. While premium cases offer more features, there are excellent value options like the JCE battery case that provide essential power extension at a lower cost. Always check recent reviews for the most up-to-date user experiences.
Frequently asked questions
Will these battery cases add significant bulk to my iPhone 6 Plus?+
Battery cases inherently add some bulk due to the integrated battery. However, the models we've selected aim to balance power capacity with a manageable profile.
Do battery cases offer protection for the iPhone 6 Plus?+
Yes, most battery cases provide a degree of protection against drops and scratches, often with raised bezels and a sturdy construction, in addition to charging capabilities.