Power banks with a capacity of over 20,000 mAh are perfect for charging smartphones, tablets and even laptops if they have a USB Type-C connector. But having a large capacity, these models are rather heavy, which is why they are not very suitable for everyday wear.
The dimensions of such portable batteries also reach dimensions comparable to a laptop charger, and sometimes even more. But it is these gadgets that can do an excellent job where it will not be possible to use a 220 V outlet for a long time. Our rating includes popular models with a capacity of 20,000 mAh, which can be considered compact, but very powerful, as well as real giants with a capacity of more than 90 000 mAh.
This is one of the most powerful external batteries from our selection. Its main feature is that it is built on the basis of LiFePO4 lithium-iron-phosphate cells, which are practically not subject to self-discharge and have very good power under load. The manufacturer claims a resource of 5000 charge cycles and a cell service life of 15 years.
The body of the device is protected from splashes and dust, and its rubberized edges protect the contents from accidental impacts. All connectors are covered with rubber plugs to prevent moisture from getting into them, for example, during unexpected rain or heavy fog.
For easy carrying, the case is equipped with a durable soft handle, and on its front edge, under a matte white plate, there is a powerful flashlight that provides diffused light. In addition, all kinds of protective functions are provided: from overcharging, overdischarging, short circuit, overheating, power surges…
Video review: TopON TOP-X100 power bank at 96,000 mAh
ROBITON Power Bank LP-24-Solar
The ROBITON Power Bank LP-24-Solar portable battery is designed to charge various devices, including laptops, both from a built-in battery and a solar battery. True, the second option, as the manufacturer notes, is focused only on charging the built-in battery and will not work at full power to return energy to connected devices.
There are two USB A ports and one USB Type-C port, which will allow you to charge three gadgets at once. According to users, the battery has solid dimensions commensurate with a book, and charging the built-in battery lasts quite a long time – up to 8 hours. In addition, its case has a shockproof design, which should protect the device from an accidental fall.
HIPER ForcePower 100W
This battery is designed to quickly charge mobile gadgets (phones, tablets, etc.), as well as laptops that support charging via USB Type-C. The battery capacity of 20,000 mAh is enough to charge a smartphone 6-7 times, and a tablet up to 4 times. With this external power bank, you can charge 2 devices at the same time. 2 USB-A 5V/3A outputs support up to 15W of connected devices. The pass-through charging function allows you to charge gadgets in parallel – the battery itself and smartphones connected to it.
Xiaomi Mi Power Bank 3 Super Flash Charge 20 000
The Xiaomi Mi Power Bank 3 Super Flash Charge 20000 is a typical representative of modern “office” portable batteries with a very powerful battery and three ports: two USB-A with Quick Charge 2.0 and one USB Type-C with bidirectional charging. You can charge two gadgets at the same time. According to the company, when using an adapter with an output voltage of 9 V, it will take 4 hours to charge the power bank, which is quite fast for such a capacious battery. No additional equipment is provided in this model.
ZMI 10 Powerbank Pro
The ZMI 10 Powerbank Pro external battery boasts a powerful filling with a capacity of 72 Wh and a pleasant appearance of the case, all corners of which are rounded. On the top of the device is a typical set of connectors – two USB-A and one USB Type-C. The battery is equipped with a full range of supported fast charging technologies for different manufacturers of connected gadgets: Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charger, Qualcomm Quick Charge 3.0, Huawei FCP, USB Power Delivery. The weight of the device is 440 g, and it is worth wearing it only if you need to charge several devices or a laptop at once, since there is a modern two-way charging port here.
- Top 5 external batteries from 10,000 mAh: choosing the best Power Bank