Struggling to keep your high-powered devices juiced up when you’re on the go? Let’s talk about the Anker 737 Power Bank, also known as the PowerCore 24K, a portable charger that truly redefines what “fast charging” means for laptops, tablets, and smartphones alike. It’s packed with features like an impressive 24,000mAh capacity and an insane 140W two-way fast charging capability that can keep you connected and productive, no matter where your day takes you. Honestly, for anyone who uses power-hungry gadgets daily – think busy professionals, digital nomads, or even students – finding a reliable power source can be a real game-changer. This isn’t just another battery pack. it’s a portable powerhouse designed to handle serious energy demands.
This review will break down everything you need to know about the Anker 737, from its cutting-edge technology to its real-world performance, and even how it stacks up against the competition. You’ll get the full picture, helping you decide if this is the right portable charger for your tech arsenal. We’ll also cover some crucial tips on keeping your power bank healthy for the long run and address some common questions people have. While it’s a bit heavier than your average phone charger, weighing in at about 1.4 pounds 630g, its robust capabilities often make that a worthwhile trade-off, especially if you’re frequently topping up a laptop or multiple devices.
What Makes the Anker 737 Power Bank Stand Out?
When you first hear about a power bank that offers “ultra-powerful 2-way fast charging,” it sounds pretty serious, right? Well, the Anker 737 Power Bank really lives up to that hype. It’s built with some serious tech that sets it apart from your run-of-the-mill portable chargers.
The Power Behind the Punch: 140W Two-Way Fast Charging
This is arguably the Anker 737’s biggest flex: its 140W Power Delivery PD 3.1 capability. What that means for you is incredibly fast charging for your devices and, just as importantly, incredibly fast recharging for the power bank itself. We’re talking about being able to power a MacBook Pro 16-inch up to 50% in just about 40 to 45 minutes. That’s a huge deal for anyone who needs to quickly top off a laptop before a meeting or during a layover. And here’s the cool part: this isn’t just one-way traffic. The “two-way” part means it can also gulp down power at that same 140W rate to refill its own massive 24,000mAh battery. We’ll get into the recharging speed later, but trust me, it’s impressive. This ultra-powerful delivery is made possible by Anker’s GaNPrime technology, which helps keep things efficient and cool.
Smart Digital Display: All the Info You Need
One feature that users consistently rave about is the Anker 737’s integrated smart digital display. It’s not just a fancy gimmick. it’s genuinely useful. With a quick glance, you can see real-time information like the power output and input in watts, the estimated time until the power bank is fully recharged, its current battery percentage, and even its battery health and temperature. This kind of transparency is fantastic. No more guessing how much juice is left or how long you have until your devices are topped off. It really puts you in control of your power management, which is super helpful, especially during travel or busy workdays.
Triple Port Design: Charge Everything
The Anker 737 doesn’t just focus on raw power. it also offers versatility with its port selection. You’ll find two USB-C ports and one USB-A port. The dual USB-C ports are where the magic happens for those high-wattage devices, with at least one capable of the full 140W output. The USB-A port, while not as powerful, still delivers a respectable 18W, perfect for charging smaller gadgets like your wireless earbuds or a smartphone that doesn’t need super-fast USB-C speeds. This setup means you can simultaneously charge up to three devices. Imagine powering your laptop, phone, and tablet all at once – pretty neat, right? Infinacore MagSafe Battery Pack Review: A Deep Dive into This Portable Powerhouse
Advanced Safety Features
Anker is a brand known for reliability, and their safety features are a big part of that. The 737 Power Bank incorporates ActiveShield 2.0 technology, which intelligently monitors temperature. This system helps protect both the power bank and your connected devices from overheating by adjusting power output if things get too warm. It also uses PowerIQ 4.0, which optimizes charging speeds for different devices, ensuring they get the right amount of power without being overcharged or undercharged. Peace of mind is priceless, and these built-in safeguards definitely provide it.
Real-World Performance: Charging Your Devices
the specs sound great, but how does the Anker 737 PowerCore 24K actually perform when you’re relying on it in the wild? This is where the rubber meets the road, and honestly, it’s a beast.
Laptops: Powering Your Portable Workstation
If you’re someone who carries a laptop everywhere, this power bank is practically tailor-made for you. The 140W output is a must for high-performance laptops, including those power-hungry MacBook Pros. Think about it: many standard power banks can barely trickle charge a laptop, but the Anker 737 can actually provide enough power to sustain demanding tasks or quickly bring a depleted laptop battery back to life. You can expect to get about 1.2 to 1.3 full charges for a MacBook Air M1/M2 out of its 24,000mAh capacity. For larger laptops like a 16-inch MacBook Pro, it can charge it up to 50% in roughly 40-45 minutes, which is seriously impressive. This makes it an ideal companion for long flights, train rides, or just working remotely where power outlets are scarce.
Smartphones and Tablets: Blazing Fast Recharges
While laptops are where the 140W truly shines, your smartphones and tablets aren’t left out. The Anker 737 will charge modern smartphones incredibly fast. For example, an iPhone 13 or 15 can be charged almost 5 times over. A 12.9-inch iPad Pro or an iPad Air 2024 can get about 1.3 to 1.8 full charges. What’s great is that even when you’re charging multiple devices, the intelligent power distribution thanks to PowerIQ 4.0 ensures that each device gets an optimized charge. So, you can have your laptop pulling serious power from one USB-C port, and your phone zipping up to full on another, without feeling like you’re sacrificing speed. AliveCor KardiaMobile 6L Max EKG Monitor Review: Your Personal Heart Health Companion
Other Gadgets: Versatility at its Best
Beyond laptops and phones, this power bank is super versatile. Got a Nintendo Switch? It can charge that. What about your portable speakers or action cameras? Absolutely. The 18W USB-A port is perfect for those smaller accessories or older devices that still rely on the USB-A standard. Plus, some models Gen 2 even support 12V output for specific accessories like DJI drone batteries. This means you truly have a single power solution for almost all your electronic needs, reducing the clutter of carrying multiple chargers and adapters.
Recharging the Anker 737: It’s Just as Fast
One of the often-overlooked aspects of a high-capacity power bank is how long it takes to recharge itself. Nobody wants to wait half a day for their power bank to be ready again. This is another area where the Anker 737 truly excels, living up to its “two-way fast charging” promise.
If you use a compatible 140W USB-C wall charger like Anker’s own 717 140W charger or similar high-wattage USB-C power adapters, you can take the Anker 737 from completely empty to 100% in roughly an hour. That’s incredibly quick for a 24,000mAh battery! Even if you’re using a slightly less powerful adapter, say a 100W charger, it’ll still fully recharge in about 1.5 hours. And with a 65W charger, you’re looking at well under 2 hours. This rapid self-recharge means you can quickly top it up during a short stop at a coffee shop or before heading out for the day, ensuring it’s always ready when you are.
It also supports what’s called “pass-through charging” though some sources note it doesn’t allow self-charging at the same time at full speed, and it lacks a UPS mode. This means you can have the power bank plugged into a wall charger, and it will intelligently charge your devices connected to it first, then begin to recharge itself. This is super handy when you only have one outlet available and multiple gadgets to power. Weber summit gas grill review
Who is the Anker 737 Power Bank For?
So, who really benefits from having this powerhouse in their bag?
- The Mobile Professional: If your work involves a lot of travel, remote work, or moving between different locations, keeping your work laptop and essential devices charged is non-negotiable. The 140W output ensures your laptop stays powered, making it a reliable portable office.
- Students with Demanding Coursework: Juggling classes, study sessions, and campus life means you often don’t have easy access to outlets. This power bank can keep your ultrabook, tablet, and phone going all day, through lectures and late-night study marathons.
- Content Creators and Photographers: Drones, mirrorless cameras, editing laptops, and multiple accessories all demand power. The Anker 737 can extend your shooting time and ensure your tools are always ready for that perfect shot or urgent edit.
- Frequent Travelers: Whether you’re on long-haul flights it’s flight-safe, by the way, at 86.4Wh or road trips, having a reliable source of power for all your gadgets – from entertainment on your tablet to navigation on your phone – is a must.
- Anyone with “Battery Anxiety”: If the thought of your phone dying fills you with dread, or if you simply value having dependable backup power for all your devices, the Anker 737 offers immense peace of mind.
While it’s a bit of an investment compared to smaller, less powerful options, its capabilities truly justify the price for those who genuinely need its robust performance. If you’re only looking to charge a smartphone or small peripherals, it might be overkill, and a cheaper, lower-output power bank would suffice.
Anker 737 vs. The Competition
In the world of high-capacity power banks, the Anker 737 PowerCore 24K stands strong, but it’s not without contenders. When people are looking for a powerful laptop power bank, they often compare it to other premium options.
For instance, Anker itself has released newer models like the Anker Laptop Power Bank model A1695 which boasts 165W total output and built-in retractable cables. While the A1695 offers more total wattage and the convenience of integrated cables, the 737 specifically delivers its 140W output from each of its USB-C ports, and can also input at 140W for rapid self-recharging. The Anker Laptop Power Bank, on the other hand, tops out at 100W for its own input. So, if rapid self-recharging is a top priority, the 737 might still have an edge.
Other notable competitors include options from UGREEN and INIU, which often offer similar capacities and high wattage outputs. Some UGREEN models, for example, push 145W. However, the Anker 737 is often praised for its consistent and reliable performance across its ports, and its detailed digital display provides more information than many rivals. Some competitor power banks might advertise high total output but split it less effectively or only achieve peak power from a single, specific port. The 737’s ability to maintain high sustained output and input at 140W sets a high bar.
Tips for Maximizing Your Anker 737 Experience
To truly get the most out of your Anker 737 Power Bank and ensure it serves you well for years, here are some practical tips:
- Use Quality Cables: This might sound obvious, but it’s crucial. Always use certified USB-C PD 3.1 cables designed for higher wattages. Cheap or old cables can bottleneck charging speeds and even waste energy. If you’re not getting the advertised fast charging, the cable is often the first thing to check.
- Charge Smart, Not Hard for Longevity: While the 140W charging is fantastic, continuously draining your power bank to 0% or leaving it fully charged at 100% for extended periods can impact its long-term battery health. Lithium-ion batteries generally prefer to stay between 20% and 80% charge. For storage, aim for around 70-80%. Charging with a slower 65W charger when you don’t need maximum speed can also help preserve battery health over many cycles.
- Mind the Temperature: Batteries perform best within an optimal operating temperature range, typically 0°C to 25°C 32°F to 77°F. Avoid using or storing your power bank in extremely hot environments, like direct sunlight in a car, or very cold conditions. Extreme temperatures can degrade battery performance and lifespan.
- Regular Maintenance: Even if you don’t use it often, it’s a good idea to recharge your Anker 737 periodically, at least once every three months, to prevent deep discharge, which can damage the battery.
- Utilize the Digital Display: Don’t just ignore that smart screen! It’s there to give you valuable diagnostic information. Keep an eye on the input/output wattage to ensure your devices are charging as expected and to quickly spot any issues. You can also monitor battery health and cycle count. Remember to turn off the display when not actively checking it to conserve battery, as the screen itself draws a small amount of power.
- Low-Current Mode for Small Devices: For very low-power devices like Bluetooth headphones or smartwatches, double-press the power button to activate the low-current charging mode. This prevents the power bank from automatically shutting off due to insufficient power draw, ensuring your small gadgets get a consistent, safe charge.
By following these simple tips, you can ensure your Anker 737 Power Bank remains a reliable and efficient power source for all your devices for a very long time.
Frequently Asked Questions
How long does the Anker 737 Power Bank take to fully recharge?
If you’re using a compatible 140W USB-C wall charger, the Anker 737 Power Bank can fully recharge itself from empty in about an hour. With a 100W charger, it takes approximately 1.5 hours, and a 65W charger will get the job done in under 2 hours.
Is the Anker 737 Power Bank safe for air travel?
Yes, the Anker 737 Power Bank PowerCore 24K has a capacity of 24,000mAh, which translates to 86.4 Watt-hours Wh. This is typically below the 100Wh limit set by most airlines for carry-on luggage, making it safe for air travel. Always check your airline’s specific regulations before flying, but generally, it’s good to go.
Can the Anker 737 charge a laptop and a phone simultaneously?
Absolutely! The Anker 737 features two USB-C ports and one USB-A port, allowing it to charge up to three devices at once. It intelligently distributes power, so you can easily power your laptop, smartphone, and another gadget simultaneously, though the total output will be shared among the devices.
What kind of cables should I use with the Anker 737 for fast charging?
To take full advantage of its 140W fast charging capabilities, especially for laptops, you should use certified USB-C to USB-C cables that support Power Delivery PD 3.1 and are rated for 100W or 240W. For the USB-A port, any good quality USB-A to your device’s cable will work, but it’s limited to 18W output.
Is the Anker 737 Power Bank discontinued, and what are the alternatives?
As of mid-2025, some sources indicate that the Anker 737 Power Bank might be discontinued on certain platforms like Amazon, with newer models like the Anker Laptop Power Bank A1695 or models from the Anker Prime series emerging. These newer alternatives often offer similar or even higher total wattage outputs, sometimes with added conveniences like built-in retractable cables. However, the Anker 737 remains a highly capable device, and if you find it available, it still offers excellent value, particularly for its dedicated 140W two-way charging on USB-C ports.
How can I check the battery health of my Anker 737?
The Anker 737 Power Bank features a smart digital display that shows you various pieces of information, including its battery health. By pressing the power button, you can cycle through different display modes to see the current battery percentage, input/output wattage, estimated recharge time, battery temperature, cycle count, and the overall battery health percentage.
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