In 2025, power banks have become essential for keeping devices powered during work, travel, or leisure. There is a wide range of power banks in the market, from compact 5,000mAh models to high-capacity 20,000mAh units, making the selection of the right power bank more challenging. In this expert-tested buying guide, featuring recommendations from Jason, the founder of THINKTHING Studio and a seasoned tech reviewer, some key factors will be outlined for you to consider when choosing your best power bank and provide you with recommendations of best power banks of 2025 in terms of the capacity, charging speed, safety, and value of the power banks.
Key Factors to Consider When Choosing a Power Bank
When selecting the ideal power bank, there are four key aspects you should evaluate to match your charging needs and lifestyle:
Select the Best Power Bank | Tips 1: Capacity (mAh)
The capacity of a power bank, measured in milliampere-hours (mAh), indicates how much charge it can store and how many times it can recharge your devices.
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5,000mAh: Ideal for daily use, such as commuting or short trips, providing about one full charge for a smartphone (e.g., iPhone 16 Pro, ~3,300mAh).
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10,000mAh: A practical choice for longer days or users with multi-device offering 2-3 charges.
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20,000mAh and above: Perfect for extended travel, camping trips, or sharing with others. These high-capacity banks can recharge several devices multiple times.
Expert Tip: Select the capacity based on your routine: 5,000mAh for light, daily use, or go with 10,000mAh and above if you travel frequently or rely on multiple gadgets.
Select the Best Power Bank | Tips 2: Charging Speed
Fast-charging capability significantly improves charging efficiency and user convenience.
When evaluating charging speed, it is suggested to look for power banks that support USB Power Delivery (PD) or Qualcomm Quick Charge (QC), both of which enable rapid wired charging for a wide range of devices. For iPhone users, MagSafe wireless charging (up to 15W) offers added convenience with a cable-free experience.
It’s also important to check the power bank’s output specifications. Standard benchmarks like 15W for wireless and 18W for wired charging ensure compatibility with most modern smartphones and tablets. Always choose a model that matches or exceeds your device’s charging requirements for optimal performance.
Expert Tip: Select top power banks with multiple safety features and reputable certifications to ensure long-term reliability and peace of mind.
Select the Best Power Bank | Tips 3: Safety Features
Battery safety is crucial. High-quality power banks should include:
Battery safety is a critical factor when selecting a power bank. High-quality models should include essential protection mechanisms such as overcharge protection, over-discharge protection, short-circuit protection, and overheat protection. Additionally, it is suggested to look for certifications like CE, BSMI, or RoHS so as to ensure compliance with safety standards.
For better thermal stability and durability, consider power banks that use 3.7V lithium-polymer batteries, which are generally safer and more reliable than 3.85V variants. For instance, brands like THINKTHING Studio are known for incorporating such safer battery technologies.
Expert Tip: Always choose power banks with multiple safety features and certified components to ensure safe and long-lasting use.
Select the Best Power Bank | Tips 4: Price and Value for Money
Power banks are available across a wide price range, typically from HK$100 to HK$600. Budget-friendly models may cover basic needs but often lack advanced features or important safety certifications. On the other hand, mid-to-high-end options usually offer greater capacity, fast-charging support, and more durable construction.
Expert Tip: Aim to strike a balance between price and features. Always prioritize power banks that are certified and clearly labeled with capacity and output specifications to ensure long-term value and safety.
Expert-Recommended Best Power Banks 2025
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Products |
MagSafer 2.0 |
MagSafer 2.0 SE |
CYBERBANK |
SUPERBANK |
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Capacity |
5,000mAh |
5,000mAh |
10,000mAh |
20,000mAh |
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Features |
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Price |
HK$319 |
From HK$179 |
HK$329 |
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Link |
Buy Now: |
Buy Now: |
Buy Now: |
Power Bank Recommendation 1. SUPERBANK 20,000mAh Power Bank
The SUPERBANK by THINKTHING STUDIO is your top power bank among options and your ultimate travel companion, which packs an impressive 20,000mAh (74Wh) capacity. It is ideal for multi-day adventures, remote work, or sharing power with friends. It is designed to support multiple devices simultaneously, includes multi-port output, and is expected to support 15W wireless charging, making it a powerful all-in-one charging solution.
Built with a 3.7V lithium polymer battery, it is engineered with comprehensive safety protections for peace of mind, even during high-demand charging. Whether you are powering smartphones, tablets, or USB-C laptops, SUPERBANK keeps you going longer without compromise.
Why It’s Recommended: Exceptional capacity, versatile output options, and perfect for power users on the move.
Power Bank Recommendation 2. MagSafer 2.0 Magnetic Wireless Power Bank
Price:HK$319
MagSafer 2.0 is a compact yet powerful 5,000mAh (18.5Wh) magnetic wireless power bank, designed with convenience and safety in mind. It offers 15W wireless charging and 18W USB-C fast wired charging, powered by a 3.7V lithium polymer battery with built-in protection against overcharging, over-discharging, overheating, and short-circuiting. Its aluminium alloy casing enhances heat dissipation and is fully airline-compliant.
What sets it apart is its status as the world’s first two-way wireless charging power bank, allowing simultaneous input and output. Ideal for daily commutes, it combines portability with award-winning design—having received both the iF Design Award and the Red Dot Design Award for its sleek and functional aesthetic.
Specifications: 102 x 64 x 17mm · 160g · Available in Space Grey and Dark PurplePower Bank Recommendation 3. MagSafer 2.0 SE Magnetic Wireless Power Bank
Price:From HK$179
MagSafer 2.0 SE delivers excellent value for those seeking reliable performance on a budget. Equipped with a 5,000mAh (18.5Wh) battery, it offers 15W wireless charging powered by a stable 3.7V lithium polymer cell, ensuring safe operation during daily use and air travel. It features the same robust safety protections as the MagSafer 2.0, guarding against overcharging, over-discharging, overheating, and short-circuits.
Designed with affordability in mind, the SE model retains the trusted quality and functionality of the original while offering a wider colour selection for personal style.
Specifications: Available in Midnight Black, Army Green, Light Purple, Khaki, Pink, and Sky BluePower Bank Recommendation 4. CYBERBANK Lightweight Magnetic Wireless Fast Charge Power Bank
Price:HK$329
The CYBERBANK combines high performance with a bold, cyberpunk-inspired design. With a generous 10,000mAh (38.5Wh) capacity, it supports 15W wireless charging and features dual USB-C ports delivering up to 20W each, allowing you to charge up to three devices simultaneously. Its 3.7V lithium battery is reinforced with advanced protection circuits, while the aluminium alloy casing enhances both durability and heat dissipation.
Perfect for travel and on-the-go power users, CYBERBANK comes equipped with a built-in flashlight and a fold-out stand for convenience. It’s a versatile and stylish option that balances function and flair.
Specifications: 110 x 64 x 19mm · 227g · Available in BlackVisit THINKTHING Studio to explore more products and make a smart choice!
