Review: Anker PowerCore 24K 737: A big battery that can charge everything

Review: Anker PowerCore 24K review (737): a big battery that can charge everything - Anker 737 Power Bank (PowerCore 24K) - Ultra-Powerful Two-Way Charging: Equipped with the latest Power Delivery 3.1 and bi-directional technology to quick


Anker’s PowerCore 24K battery, a part of their 737 series, is a premium offering that caters to those seeking both high capacity and fast charging capabilities. With a significant 24,000 mAh capacity and impressive 140 W charging, this power bank sets a new standard in the market. What sets it apart is its inclusion of a functional display, offering more than just basic information.


Unlike traditional power banks, the Anker 737 boasts a unique design, resembling a sizeable brick with an integrated screen and an easily accessible power button. The built-in screen provides valuable real-time data, including temperature, load capacity, cycle count, and input/output power measured in Watt-hours. This level of detail surpasses the typical battery status indicator and enhances user control.

In terms of physical dimensions, the Anker 737 measures 15.5 x 5.46 x 4.96 cm and carries a substantial weight of 635 grams. It’s worth noting that the weight distribution isn’t even, and while it may not fit comfortably in a pocket, it’s manageable in a bag or backpack. The power bank features two USB-C ports and one USB-A port, ensuring compatibility with a wide range of devices. It comes with a USB-C cable for added convenience.


The PowerCore 24K boasts an impressive 24,000 mAh capacity. This capacity, specified at 3.7 V, translates to approximately 18,894 mAh at 4.7 V. Real-world testing revealed an actual capacity of around 13,726 mAh, which is roughly 27% less than the stated figure. Despite this variance, the battery’s substantial capacity enables it to charge various devices multiple times. For instance, it can charge a Galaxy S22 nearly four times, an iPhone 14 Pro over four times, or a Nintendo Switch more than three times.


Charging Speed:

One of the standout features of this Anker power bank is its exceptional charging speed. It’s capable of accepting a 90 W charge, and it takes just 63 minutes to fully replenish its 24,000 mAh capacity. This rapid recharge time is comparable to the speed of a Formula 1 pit stop, making it a versatile and efficient power source.

The charging speed of the Anker PowerCore 24K is truly exceptional and sets it apart as a high-performance power bank. With the ability to accept a blazing-fast 90 W charge, it achieves a full recharge of its massive 24,000 mAh capacity in just 63 minutes, provided you have a charger delivering the required wattage. This rapid recharge time is akin to a Formula 1 pit stop, making it a game-changer for those who rely on their devices and need a quick and reliable power source. Whether you’re on the go, traveling, or in a time-sensitive situation, the Anker PowerCore 24K’s charging speed ensures that your devices are powered up swiftly, offering convenience and peace of mind.

Power Output:

The Anker 737’s capabilities extend beyond its size and capacity; it also offers remarkable charging power. In addition to the standard 5V/3A, 9V/3A, and 15V/3A charging modes, it can deliver up to 20V/5A and 28V/5A. On a single USB-C port, it can provide the full promised 140 W charging power, especially when used with a USB-C 3.1 cable. The USB-A port, while slightly limited at 18 W, is still quite powerful. Its Power Delivery compatibility allows it to efficiently charge laptops and a variety of other devices, making it a versatile choice.


The Anker PowerCore 24K, or model 737, is a remarkable power bank that excels in both capacity and charging speed. With its 140 W fast charging capabilities, it can accommodate the needs of various devices. Despite its size and weight, which may be considered minor drawbacks, its outstanding performance and rapid recharge speed more than compensate for any inconveniences. It stands out as an excellent choice for those who demand both power and speed from their portable chargers.


  • Convenient screen.
  • Good real capacity.
  • Ultra-fast charging and recharging.


  • Heavy and imposing.