Anker 737 Power Bank Review: The Ultimate 140W Portable Charging Beast

In our fast-paced, digitally dependent world, a dead device battery isn’t just an inconvenience; it can disrupt work, communication, and even peace of mind. As the demand for on-the-go power escalates, portable chargers have evolved from simple battery packs to sophisticated powerhouses. Among them, the Anker 737 Power Bank (also known as the PowerCore 24k) stands out as a formidable solution for keeping all your gadgets, especially power-hungry laptops, fully charged. Boasting a massive capacity and cutting-edge charging technology, it promises to be a reliable companion for digital nomads, busy professionals, and avid travelers alike.

What is a Power Bank and Why Do You Need One?

At its core, a power bank is a portable battery that stores electrical energy to recharge your electronic devices when a wall outlet isn’t available. They’ve become indispensable tools for modern life, offering a lifeline in numerous situations. Imagine being on a long-haul flight, miles from the nearest power socket, with your laptop battery critically low, or navigating a busy city with your phone running on fumes. These are the moments when a reliable power bank transforms from a luxury to a necessity, ensuring you stay connected, productive, and entertained.

The benefits extend beyond mere convenience. For those working remotely, studying on the go, or simply enjoying media during commutes, a power bank guarantees uninterrupted workflow and entertainment. In emergencies, a charged phone can be a critical link to help. While many power banks can handle a smartphone, the needs of modern devices, especially powerful laptops and gaming handhelds, demand a charger with significantly more capacity and output. This is precisely where the Anker 737 steps in, addressing the limitations of conventional portable chargers.

Diving Deep into the Anker 737 Power Bank (PowerCore 24k)

The Anker 737 Power Bank isn’t just another battery pack; it’s a meticulously engineered portable power solution designed to meet the rigorous demands of today’s devices. Its blend of high capacity, rapid charging, and intelligent features sets it apart.

Unmatched Power: 140W PD 3.1 Output

The standout feature of the Anker 737 is its remarkable 140W Power Delivery 3.1 output. This isn’t just a number; it translates to unprecedented charging speeds for a wide array of devices. For context, many laptops, including the demanding 16-inch MacBook Pro, can be charged at their maximum speed, often reaching a full charge in under an hour. This capability is also a game-changer for portable gaming PCs like the ASUS ROG Ally or AYANEO 2s, which typically require 65W or more to charge efficiently while in use. With 140W available from each of its two USB-C ports (when used individually), the 737 ensures that even your most power-hungry gadgets receive optimal power delivery.

Power Delivery 3.1 is the latest standard, allowing for higher wattages and more flexible power profiles, making the Anker 737 incredibly versatile across different devices.

Ample Capacity: 24,000mAh for Extended Use

With a substantial 24,000mAh battery capacity (equivalent to 86.4 Wh), the Anker 737 offers generous power reserves. This capacity is typically sufficient to:

• Fully charge a modern smartphone (like an iPhone 14 Pro) 4-5 times.
• Provide 1-2 full charges for a tablet (e.g., iPad Pro).
• Deliver approximately one full charge for most high-end laptops, or significantly extend their runtime.

Crucially, this 24,000mAh capacity places the Anker 737 just below the 100 Wh (27,000mAh) limit set by aviation authorities for carry-on luggage. This makes it an aircraft-safe companion, perfect for long flights and international travel, ensuring you stay powered up wherever your journey takes you.

Smart & Versatile: Ports and OLED Display

The Anker 737 comes equipped with a highly versatile port selection: two USB-C ports and one USB-A port. Both USB-C ports can deliver up to 140W when used alone, offering maximum flexibility for high-power devices. The single USB-A port, with an 18W output, caters to older devices or accessories that still rely on the traditional USB-A standard. This combination allows you to charge up to three devices simultaneously, with intelligent power distribution to optimize charging speeds for each connected gadget.

What truly elevates the user experience is the integrated digital OLED display. More than just a battery indicator, this screen provides a wealth of real-time information:

• Remaining Capacity: Shows the exact percentage and estimated remaining usage time based on the current power drain.
• Battery Health: Provides insights into the power bank’s longevity.
• Real-time Input/Output: Displays the wattage currently being drawn from or delivered to each port.
• Recharge Time: Estimates how long until the power bank is fully recharged when plugged in.

Behind the scenes, Anker’s advanced technologies like GaNPrime (Gallium Nitride) enable higher power conversion with less heat, allowing for a compact yet powerful design. ActiveShield 2.0 actively monitors temperature 3 million times daily, ensuring safe charging for both the power bank and your connected devices, protecting against overheating, overvoltage, and short circuits.

Blazing Fast Recharging

The Anker 737 isn’t just about fast output; it’s also about rapid input. Supporting 140W Power Delivery 3.1 input, the power bank itself can be fully recharged in approximately one hour when connected to a compatible 140W USB-C wall charger. Even with a common 100W charger, it can reach full capacity in about 1.5 hours. This bi-directional charging capability is a significant advantage, allowing you to quickly top up the power bank during short stops or between uses, so it’s always ready when you need it.

Anker 737 Power Bank: Pros and Cons

Like any powerful gadget, the Anker 737 Power Bank comes with its own set of advantages and considerations.

Pros:

• Exceptional Power Output: 140W USB-C PD 3.1 output is ideal for rapidly charging demanding laptops, gaming handhelds, and multiple devices simultaneously.
• High Capacity: 24,000mAh provides extensive power reserves, capable of charging most smartphones multiple times or a laptop once.
• Rapid Two-Way Charging: Both outputting and recharging at up to 140W means minimal downtime for the power bank itself.
• Intelligent OLED Display: Offers comprehensive real-time information, including remaining charge time, wattage, and battery health.
• Versatile Port Selection: Two USB-C and one USB-A port cater to a broad range of modern and older devices.
• Advanced Safety Features: ActiveShield 2.0 and Anker’s 10-point safety system ensure reliable and secure charging.
• Travel-Friendly: Its 24,000mAh capacity is within TSA carry-on limits for air travel.
• Premium Build Quality: Anker’s reputation for durable and well-built products holds true with the 737.

Cons:

• Premium Price Tag: Positioned at the higher end of the market, its cost can be a deterrent for budget-conscious users.
• Size and Weight: At around 630g (1.4 lbs) and a cuboid form factor, it’s not pocketable and is better suited for backpacks or bags.
• Overkill for Light Users: If you only need to charge a smartphone or small accessories, its power and capacity might be excessive, and a smaller, more affordable power bank could suffice.
• Requires High-Wattage Wall Charger for Max Speed: To benefit from its 140W input, you’ll need a compatible 140W USB-C wall charger, which is often sold separately.
• Potential for Newer Alternatives: As technology evolves, newer Anker models (like the Prime series) or other brands might offer similar or enhanced features at competitive prices, possibly making the 737 seem less cutting-edge over time.

Who is the Anker 737 Power Bank For? (and who it isn’t for)

The Anker 737 Power Bank is a specialist tool designed for specific needs, making it an ideal choice for certain user profiles.

The Anker 737 is perfect for:

• Digital Nomads and Remote Workers: Those who frequently work on laptops or tablets away from wall outlets, needing reliable, high-speed power.
• Travelers and Commuters: Individuals who require a single, powerful solution to keep multiple devices charged during long journeys, especially given its airline-safe capacity.
• Content Creators and Gamers: Users with power-intensive laptops, cameras, or gaming handhelds that demand sustained high-wattage charging on the go.
• Multi-Device Owners: Anyone juggling a laptop, tablet, smartphone, and other gadgets, appreciating the ability to charge them all quickly from one source.
• Tech Enthusiasts: Those who value cutting-edge charging technology, detailed real-time data from the OLED display, and premium build quality.

The Anker 737 might be overkill for:

• Casual Smartphone Users: If your primary need is just to top up your phone once or twice a day, a smaller, lighter, and more affordable power bank will meet your needs without the added bulk and cost.
• Budget-Conscious Buyers: Its premium price tag places it outside the comfort zone for those seeking a basic, economical charging solution.
• Pocketability Enthusiasts: The 737 is designed for bags and backpacks; it won’t comfortably fit in a pocket.

Anker 737 vs. The Competition (and its Successors)

When considering the Anker 737, it’s important to view it within the broader landscape of portable charging. While it was a pioneer in bringing 140W PD 3.1 to market, the technology space is constantly evolving.

Many brands offer high-capacity power banks, but few match the Anker 737’s combination of 140W bi-directional charging and comprehensive display at its introduction. Competitors from brands like Shargeek and UGREEN also offer high-wattage options, some with similar informative screens. However, Anker’s long-standing reputation for reliability and safety often gives it an edge.

It’s worth noting that Anker itself has continued to innovate with newer models, such as the Anker Prime series (e.g., Anker Prime Power Bank 27,600mAh 250W) or the Anker Laptop Power Bank (A1695). These successors often push the boundaries further, offering even higher capacities, increased total wattage outputs, or integrated cables for enhanced convenience. While the Anker 737 remains a powerful and relevant device, those looking for the absolute bleeding edge might explore these newer options, especially if they need capacities beyond 24,000mAh or higher total output wattage when charging multiple devices simultaneously. However, the 737 often presents a compelling balance of features and value, especially when found at a competitive price.

Maximizing Your Anker 737: Tips for Use and Longevity

To get the most out of your Anker 737 Power Bank and ensure its longevity, consider these practical tips:

• Use Compatible Chargers and Cables: To achieve the maximum 140W input and output, ensure you’re using a USB-C wall charger capable of 140W Power Delivery 3.1 and a certified USB-C to USB-C cable that supports these power levels. Anker typically includes a suitable cable with the 737.
• Understand Power Distribution: When charging multiple devices, the 140W total output is shared. For the fastest charging of a single, very high-power device (like a MacBook Pro), use only one USB-C port.
• Leverage the OLED Display: Regularly check the display to monitor input/output wattage, estimated charge times, and battery health. This helps you understand how efficiently your devices are charging and when the power bank needs a top-up.
• Utilize Trickle Charging Mode: For low-power devices like smartwatches, Bluetooth earbuds, or fitness trackers, double-press the power button to activate trickle charging mode. This provides a gentler, optimized charge that prevents overcharging and extends the lifespan of small device batteries.
• Proper Storage: Store your power bank in a cool, dry place, away from extreme temperatures and direct sunlight. Avoid fully draining the battery for extended periods; ideally, keep it charged between 50-80% when not in regular use.
• Avoid Physical Damage: While robust, protecting your power bank from drops and impacts will help maintain its internal components and overall performance.

> “A high-quality power bank isn’t just about raw capacity or wattage; it’s about the intelligent integration of technology to deliver safe, efficient, and reliable power whenever and wherever you need it.” – Dr. Elena Petrova, Lead Energy Storage Engineer

Conclusion

The Anker 737 Power Bank is a testament to portable charging innovation, offering a powerful and intelligent solution for the demands of a highly connected world. With its impressive 140W Power Delivery 3.1, a substantial 24,000mAh capacity, and an intuitive OLED display, it provides an unparalleled experience for charging laptops, tablets, smartphones, and more. While its premium pricing and larger form factor might not suit everyone, for power users, digital nomads, and frequent travelers, the investment in the Anker 737 translates into peace of mind and unwavering productivity. It’s a device designed to keep you powered up, allowing you to focus on what matters most, rather than hunting for an outlet. Are you ready to elevate your portable charging experience?

Frequently Asked Questions

Is the Anker 737 Power Bank airline approved?

Yes, the Anker 737 Power Bank has a 24,000mAh (86.4 Wh) capacity, which is below the 100 Wh (approximately 27,000mAh) limit for carry-on luggage set by most airlines. This makes it safe and approved for air travel in your carry-on bag.

How long does it take to fully charge the Anker 737?

When using a compatible 140W USB-C Power Delivery wall charger, the Anker 737 Power Bank can be fully recharged in approximately one hour. If using a 100W charger, it typically takes about 1.5 hours.

Can the Anker 737 charge a laptop?

Absolutely. The Anker 737 Power Bank boasts a 140W USB-C Power Delivery 3.1 output, making it highly capable of charging even power-hungry laptops like the 16-inch MacBook Pro at their fastest speeds, along with other USB-C powered notebooks and portable gaming devices.

What is the difference between Anker 737 and newer Anker power banks?

Newer Anker power banks, such as those in the Anker Prime series, may offer higher total capacities (e.g., 27,600mAh) and even greater total power outputs (e.g., 250W total output). They might also include additional features like integrated charging cables or docking station compatibility. The 737 remains a powerful option but newer models typically push specifications further.

Is the Anker 737 still worth buying?

Despite newer models, the Anker 737 Power Bank remains a highly capable and valuable choice, especially if found at a competitive price. Its 140W output, 24,000mAh capacity, and smart OLED display still make it one of the best portable chargers for laptops and multiple devices, offering excellent performance and reliability.