External laptop battery: which is better to buy?

Before, we used Power Bank only to charge smartphones. Today – for a wide variety of devices, including smart watches, fitness trackers, wireless headphones … And some even manage to charge laptops! Is it really possible? Imagine. True, the external battery must support the ability to charge the laptop, otherwise it does not charge. Before buying, be sure to make sure that the device you are buying can really charge your laptop – it must fit the system requirements of Power Bank (power system).

Xiaomi Mi Power Bank 3 Pro 20000 (PLM07ZM)

As you know, most Power Bank from Xiaomi is endowed with a metal shell, but in this case the case is made of plastic. Probably, in order to reduce the weight of the device – 440 g, although the dimensions are not the smallest. However, this is normal given the capacity of 20,000 mAh.

Power Bank received two USB Type-A and one USB Type-C. The maximum current is 3A. In addition to charging the laptop, it supports simultaneous charging of two devices and fast charging, which is important in the case of such a capacity.

Customers are satisfied with the capacity, matte plastic finish, USB Type-C works both ways.

TopON TOP-MAX2, 30000 mAh

A device of unusual design, the capacity of which reaches as much as 30,000 mAh. Pay attention to the retractable holder – you can install a smartphone and watch a movie while the device is charging.

There are 5 connectors at once: microUSB (only for charging the Power Bank itself), USB Type-C, immediately three USB Type-A. Output power – 18 W.

There is support for charging two devices, as well as support for fast charging, including Qualcomm Quick Charge 3.0 and USB Power Delivery.

At the time of writing, it is offered in two colors: white and black.

Baseus Adaman Metal PD3.0 + QC3.0 20000mAh

Stylish external charging from Baseus. The case is metal, a choice of several colors, all of which look great. Pay attention to the small display, which allows you to see the remaining battery energy in percent.

The battery capacity is 20,000 mAh. Five connectors at once: Lightning (for owners of iPhone or iPad), a pair of USB Type-A, USB Type-C and microUSB. The maximum current on USB is 5A.

Supports simultaneous charging of two devices, there is a fast charge, including Samsung Adaptive Fast Charger and Huawei FCP.


Announced support for charging laptops and in the MPX20000 model from HIPER.

The device is made in the usual form factor, and the body is “clad” in metal. The capacity is 20,000 mAh, there is a charge indicator, two USB Type-A, microUSB and USB Type-C.

Users are satisfied: cost, build quality, large battery capacity.

ZMI QB822 AURA Power Bank 20000mAh

If you are not in the know, then we remind you that it is ZMI that produces for Xiaomi most of the external chargers.

Of the unusual chips, you can select an LED screen, on which you can also display the remainder of the charge of energy. Capacity – 20,000 mAh, the maximum current on USB is 2.4A. Four connectors: USB Type-C, microUSB, a pair of USB Type-A.

Supports fast charging and simultaneous charging of two devices.


Inexpensive and relatively compact external battery that supports laptop charging.

Capacity – 10000 mAh, there is a fast charge, including Samsung Adaptive Fast Charger, Power Delivery and Huawei FCP, as well as simultaneous charging of two devices.

As for the connectors, there are three of them in this device: two USB Type-A and USB Type-C.

Baseus Mulight Power Bank PD3.0 + QC3.0 20000 mAh

Cool device from Baseus with support for charging laptops.

As can be seen from the photo, there is a screen that shows the current charge, as well as voltage and current strength. Capacity – 20,000 mAh, supports simultaneous charging of two devices and fast charging. Five connectors at once: two USB Type-A, one Lightning, microUSB and USB Type-C.

Buyers like display availability, capacity, material quality and assembly.

Xiaomi Mi Power Bank 3 20000 (PLM18ZM)

New from Xiaomi in a plastic case. Power Bank is very similar to Mi Power Bank 3 Pro 20000, however, surprisingly, its body is much lighter and weighs about 350 g!

Other differences include the presence of a microUSB connector, which for some reason, it was decided to abandon in version 3 Pro. And also – lower maximum voltage: 12 V against 20 V in version 3 Pro. Hence the lower cost.

Baseus Mini S Bracket 10W Wireless Charger 10000mAh

The ability to charge laptops is announced for the compact Mini S Bracket 10W Wireless Charger.

This is a really small 10000 mAh device that supports fast charging, simultaneous charging of two devices, as well as wireless charging of smartphones!

From the unusual, you can also highlight the presence of a small display, which displays the charge level in percent, and a retractable pedestal for a smartphone. Three slots: microUSB, USB Type-C and USB Type-A.

Pay attention to a convenient carrying strap.

TopON TOP-T72, 18000 mAh

A very interesting device from TopON with a capacity of 18,000 mAh, which received a convenient display.

TOP-T72 allows you to change the output voltage for connecting a laptop, and one of the connectors is a cylindrical connector with a central contact. In addition, the kit has a lot of adapters for most well-known laptops. Three other connectors: microUSB and a pair of USB Type-A.

Supports fast charging and simultaneous charging of two devices.


The ZMI QB820 was primarily created in order to charge laptops, as evidenced by USB Type-C with support for USB Power Delivery up to 40 watts. Users confirm: ZMI QB820 charges most laptops. About smartphones, too, have not forgotten: iPhone X is charging very quickly.

Capacity – 20,000 mAh, there is support for fast charging, simultaneous charging of two devices. Three slots: one USB Type-C and two USB Type-A.

It is noteworthy that the ZMI QB820 looks casual, but with all this – one of the most technologically advanced devices on the market.