How to Choose Best iPhone Power Bank in 2025: Practical Tips

With a power bank, you no longer have to wander around searching for outlets or tangled cords. Charging your iPhone becomes truly portable. But with so many options on the market, power banks can vary greatly in terms of performance, design, and usability.

How to choose the best iPhone power bank in 2025? This guide has handpicked three standout iPhone power banks, each with its own strengths, along with helpful buying tips. Read on to find the perfect fit for your daily power needs!

How Do I Choose a Power Bank for iPhone?

Choosing the right power bank is not an easy task. You need to consider multiple factors to make a decision. To help you make an informed choice, here are some key tips:

1. Pay attention to the battery type

Currently, power banks on the market primarily use two types of batteries: lithium-ion batteries and lithium-polymer batteries.

Lithium-ion batteries are more cost-effective but are prone to overheating or reduced lifespan, while lithium-polymer batteries are slightly more expensive but more stable, lighter in weight, and have a longer lifespan.

2. Consider the power bank's capacity

The capacity directly affects the power bank's battery life. For example, a 10,000mAh capacity is suitable for daily use, while a 20,000mAh or higher capacity is ideal for extended trips or charging multiple devices.

However, larger capacities typically result in increased size and weight. When selecting a power bank, balance your usage needs with portability.

3. Pay attention to charging speed

If you frequently need to quickly charge your phone in emergencies, fast charging functionality is crucial. When purchasing, make sure the product is labeled with fast charging functionality.

4. Avoid using overly inexpensive products

Some low-cost, unbranded power banks may seem cost-effective, but their quality is unreliable. After prolonged use, they may overheat, swell, or even damage your phone or other devices.

For safety and long-term usability, it is recommended to choose well-reviewed, high-quality brand products, even if the initial price is slightly higher, as they are more trustworthy.

Best Power Banks for iPhone in 2025

Now that you understand how to choose a power bank for iPhone, it’s time to explore some top product options.

The following recommendations stand out in terms of capacity, portability, and durability, and there’s bound to be one that meets your needs perfectly.

1. Anker MagGo Power Bank

The Anker MagGo Power Bank is perfect for users who need fast charging. It features built-in Wireless PowerIQ technology, enabling magnetic charging speeds for iPhones that are twice as fast as those of ordinary wireless chargers.

This product has a capacity of 10,000mAh, capable of fully charging an iPhone 15 Pro approximately 1.8 times. When using 7.5W wireless charging, it can quickly boost the battery level from 0 to 50% in just 44 minutes; if using the 27W USB-C fast charging port, it can charge the iPhone 15 to 60% in just 30 minutes.

2. Anker 621 Magnetic Battery

The standout feature of the Anker 621 Magnetic Battery is its portability, making it ideal for users on short trips. It is compact and lightweight, attaching to the back of the phone without adding significant thickness, making it easy to slip into a pocket or small backpack.

The battery has a capacity of 5000mAh, capable of fully charging an iPhone once. The case is made of PU leather, offering a comfortable grip while effectively preventing scratches and wear from daily use.

3. Anker 633 Magnetic Battery

If you want to keep your hands free while charging or using your phone, the Anker 633 Magnetic Battery is an ideal choice. This power bank supports magnetic wireless charging and comes with a foldable stand for hands-free viewing anytime, anywhere.

It has a maximum output power of 20W, which is eight times faster than the common 5W chargers. Its 10000mAh large capacity is perfect for heavy smartphone users or extended outdoor use, ensuring a continuous power supply.

Tips to Get the Most Out of Your iPhone Power Bank

How to choose a power bank might be the question that got you started, but using it properly matters just as much. To get the most out of your iPhone power bank and extend its lifespan, follow these essential tips:

1. Schedule charging times appropriately

Overcharging may affect the performance of the power bank. Do not wait until the battery is completely depleted before charging, nor is it necessary to charge it to 100%.

The ideal charging method is to start charging when the battery level is around 20% and stop when it reaches around 80%.

2. Store the power bank properly

Avoid direct contact between the power bank and metal objects to prevent short circuits. Store it in a non-metal box and avoid drops or strong impacts.

Additionally, remember to clean the USB port regularly to maintain a stable connection.

3. Use a reliable USB data cable

Low-quality data cables are not only prone to damage but may also affect the normal use of the power bank and even harm your phone.

Choose a high-quality data cable for charging and data transfer.

4. Pay attention to the ambient temperature

Extreme temperatures, whether too high or too low, may affect the performance of the power bank.

Charge the power bank in an environment between 5°C and 40°C, avoiding direct sunlight, overheating, or freezing conditions.

5. Avoid using the power bank while charging

Using the power bank to supply power to devices while it is charging can cause the device to overheat and significantly shorten the battery life.

Complete the charging process first before continuing to use it to ensure safety.

Conclusion

If you're wondering how to choose the best iPhone power bank in 2025, this guide has everything you need. You'll find practical tips on how to select and maintain a power bank, plus a breakdown of three top-rated options from Anker—each with its own unique strengths. Ready to power up smarter? Check out the full guide now and pick the one that fits your lifestyle best.

FAQs

What is the best power bank for thru-hiking in 2025?

Both the Anker MagGo Power Bank and the Anker 633 Magnetic Battery are highly recommended options. They have a capacity of 10,000mAh and support fast charging, making them ideal for extended outdoor use. They can be connected to your phone via magnetic attachment, ensuring they stay securely in place during hikes.

The Anker 633 Magnetic Battery also features a foldable stand, allowing you to charge your phone while hands-free viewing the screen outdoors—a highly convenient feature.

How many times will a 10,000 mAh power bank charge my iPhone 16?

Based on the iPhone 16's battery capacity of approximately 3561mAh, a 10000mAh power bank can fully charge it two to three times. However, actual results may vary depending on the phone model (such as Pro or Pro Max versions) and charging efficiency. Battery degradation can also affect the final number of charges.

Should I get a 10000mAh or 20000mAh power bank?

This depends on your specific needs.

If you spend long periods away from home and cannot charge frequently, or if you need to charge high-power devices like tablets or laptops, a 20,000mAh high-capacity power bank is more suitable. However, it is larger in size and weight, more expensive, and less portable.

On the other hand, if you prioritize portability, ease of carrying, and cost-effectiveness, a 10,000mAh power bank is more suitable for daily use, especially for short trips.