Many of us have found our­selves in unpleas­ant sit­u­a­tions due to a dead bat­tery in a smart­phone or lap­top. But what if the bat­tery charge is approach­ing zero, and there is not a sin­gle out­let near­by? The solu­tion is sim­ple — you need to buy an exter­nal bat­tery, also known as a pow­er bank (Pow­er Bank).

All prices indi­cat­ed in the arti­cle are cur­rent at the time of pub­li­ca­tion.

Pow­er Bank will not allow you to be left with­out com­mu­ni­ca­tion due to a dead smart­phone bat­tery. Source: dailysabah.com

What is Power Bank?

A pow­er bank is a com­pact charg­er that is a bat­tery for pow­er­ing a smart­phone, lap­top or oth­er gad­get. Pow­er Bank allows you to always stay in touch, recharg­ing elec­tron­ic devices in time.

At the heart of power­banks are bat­ter­ies of a cer­tain capac­i­ty. They can be lithi­um poly­mer or lithi­um ion. When buy­ing an exter­nal bat­tery for a phone or lap­top, it is bet­ter to choose Li-Pol devices — they do not dis­charge for a long time and do not heat up dur­ing pro­longed use.

When the pow­er of the Pow­er Bank drops, it must be charged in the same way as any oth­er elec­tron­ic device — with a stan­dard pow­er sup­ply with a microUSB or Type‑C cable.

What parameters to consider when buying a power bank?

To under­stand which exter­nal bat­tery is bet­ter to buy, con­sid­er the tech­ni­cal spec­i­fi­ca­tions:

  • capac­i­ty. The main para­me­ter of a portable device. For a smart­phone, a 10–20 thou­sand mAh device is suit­able, and for a lap­top it is bet­ter to look for at least 30 thou­sand mAh. There are also com­pact mod­els with 3000–5000 mAh that allow you to charge smart watch­es, wire­less head­phones and phones;
  • charg­ing cur­rent. For most small gad­gets (smart­phones, smart watch­es), 2 A is enough, and for lap­tops, at least 3 A is required;
  • con­nec­tion con­nec­tors. USB A (stan­dard USB) is in almost every exter­nal bat­tery — third-par­ty gad­gets are con­nect­ed to it. To charge the pow­er bank itself, micro USB and Type‑C are usu­al­ly used. Exter­nal bat­ter­ies for lap­tops are addi­tion­al­ly equipped with adapters for dif­fer­ent pow­er sock­ets;
  • frame. It can be made of met­al, plas­tic, poly­car­bon­ate or anodized alu­minum.

Some man­u­fac­tur­ers also indi­cate the charg­ing pow­er. It depends on the cur­rent and volt­age. The high­er the pow­er, the faster the device con­nect­ed to the pow­er bank charges. Also, this time is affect­ed by the bat­tery capac­i­ty of the gad­get.

Top powerbanks for smartphones

First, let’s look at the best exter­nal bat­ter­ies for smart­phones.

Redmi Power Bank 20000 mAh

This is a pow­er bank for every day from Xiao­mi. It has a plas­tic case and a low price. The capac­i­ty of the Li-Pol bat­tery is 20,000 mAh. From the pow­er out­let, the pow­er bank can be pow­ered via microUSB and Type‑C con­nec­tors, and any device is con­nect­ed to the bat­tery via USB‑A (stan­dard USB con­nec­tor). MicroUSB and Type‑C allow you to use Quick Charge 3.0 for fast charg­ing.

Power­bank from Red­mi at 20000 mAh is mas­sive and heavy — it weighs 420 grams. Source: g2a.com

The pow­er of Red­mi Pow­er Bank 20000 mAh is 21 W. The bat­tery lev­el is shown by four LED indi­ca­tors.


  • demo­c­ra­t­ic price;
  • pro­tec­tion against over­heat­ing and pow­er out­ages.


  • wire­less charg­ing is not sup­port­ed.

The price of Red­mi Pow­er Bank 20000 mAh is about 3000 rubles.

Accessstyle Arsenic II 20PQD

One of the best Pow­er Bank if you con­sid­er the val­ue for mon­ey. Accesstyle Arsenic 20PQD is suit­able for users who want to always be in touch, being able to recharge their gad­gets. The bat­tery capac­i­ty is 20,000 mAh, the pow­er bank is enough for three or four smart­phone recharges.

The device received the func­tion of fast charg­ing of the attached Pow­er Deliv­ery gad­gets and the Quick Charge option for the rapid restora­tion of the ener­gy sup­ply of the Pow­er Bank itself. The cur­rent charge lev­el is shown on the dis­play.

Pow­er Bank 20PQD can charge two devices. Source: programka.com.ua

A USB A / Type C cable was includ­ed with the bat­tery.


  • good val­ue for mon­ey;
  • pro­tect­ed from over­heat­ing and short cir­cuits;
  • charge lev­el dis­play.


  • charges 6–7 hours.

The price of Accesstyle Arsenic 20PQD is about 2500 rubles.

Xiaomi Mi Power Bank 3 10000 mAh

A small 10,000 mAh Xiao­mi pow­er bank can always be car­ried in a back­pack, bag or even a jack­et pock­et. The met­al body is scratch resis­tant. Assem­bled very high qual­i­ty. Mi Pow­er Bank 3 10000 mAh is pre­sent­ed in two col­ors — blue and sil­ver.

Xiao­mi Mi Pow­er Bank 3 10000 mAh has a lacon­ic design. Source: camera-xiaomi.ru

At the end there are two USB‑A, Type‑C with sup­port for Quick Charge and microUSB. Quick Charge 3.0 also works in reverse via USB‑A, allow­ing you to quick­ly charge con­nect­ed smart­phones.

There are four bat­tery indi­ca­tors on the case. The man­u­fac­tur­er includ­ed a USB cable in the pow­er bank kit.


  • pro­tec­tion against crit­i­cal heat­ing and short cir­cuit;
  • small sizes;
  • Quick Charge 3.0.


  • capac­i­ty 10,000 mAh.

The price of a pow­er bank is about 2000 rubles.

Hiper Travel 10K

This is anoth­er good pow­er bank for a bud­get class phone. Its capac­i­ty is 10,000 mAh. On the side of the case are two USB con­nec­tors for con­nect­ing two devices at the same time.

The plas­tic case is cov­ered with a soft and pleas­ant to the touch mate­r­i­al with Soft Touch. The device sup­ports pass-through charg­ing. This means that you can charge oth­er gad­gets from an exter­nal bat­tery while it is con­nect­ed to the pow­er sup­ply.

The charge indi­ca­tor is made in the form of four small LEDs. Source: abc.ru

There are LED bat­tery sta­tus indi­ca­tors on the case. The capac­i­ty of Hiper Trav­el 10K is enough for 2–3 smart­phone bat­tery charges.


  • com­pact dimen­sions;
  • demo­c­ra­t­ic price;
  • hous­ing with Soft Touch coat­ing.


  • capac­i­ty 10,000 mAh.

The price of Hiper Trav­el 10K is about 1600 rubles.

Top external laptop batteries

Now let’s fig­ure out what a good exter­nal bat­tery to buy as a stand­alone pow­er source for a lap­top. It is impor­tant to note that all of them are also suit­able for smart­phones.

Rombica NEO PRO 440C

A rather expen­sive Pow­er Bank, but this is due to the bat­tery capac­i­ty of 44,000 mAh. The device weighs 1150 g. The kit includes 28 adapters for con­nect­ing dif­fer­ent devices. Rom­bi­ca NEO PRO 440C is a ver­sa­tile device capa­ble of deliv­er­ing the desired volt­age from 5 to 20 volts and cur­rent from 3 to 4 amperes.

A set of adapters for charg­ing any lap­top. Source: pc-room.ru

This exter­nal bat­tery can charge any lap­tops, smart­phones and oth­er gad­gets.


  • uni­ver­sal­i­ty;
  • 28 adapters includ­ed;
  • capac­i­ty 44,000 mAh.


  • high price
  • weight over 1 kg.

The price of Rom­bi­ca NEO PRO 440C is about 10,000 rubles.

Baseus Blade

One of the best exter­nal lap­top bat­ter­ies. Bat­tery capac­i­ty — 20,000 mAh. This device has two USB‑A con­nec­tors to which you can con­nect recharge­able devices. Two USB‑C are also built-in, from which you can pow­er oth­er gad­gets or recharge the bat­tery itself.

All con­nec­tors are locat­ed on the end of the device. Source: chargerharbor.com

You can con­nect lap­tops, phones, smart watch­es, head­phones and oth­er gad­gets to this Pow­er Bank. The out­put pow­er of the device is 30 W for Type‑A and 65 W for Type‑C.

The bat­tery itself charges in an hour and a half from a 65-watt pow­er adapter. On the case there is a dis­play show­ing the bat­tery lev­el and time. There is a rare option for pow­er banks — the dis­play shows the charg­ing pow­er.


  • over­heat pro­tec­tion;
  • short cir­cuit pro­tec­tion;
  • the abil­i­ty to charge almost any device.


The price of Baseus Blade is about 5200 rubles.

Qumo PowerAid Note Pro

97 W exter­nal bat­tery. It has an impres­sive capac­i­ty — 40,000 mAh. The lap­top is charged via a DC-jack, for which almost three dozen adapters were added to the kit. To pow­er oth­er devices, there are two USB‑A con­nec­tors and one Type‑C with fast charg­ing up to 18W.

There are many dif­fer­ent cables and adapters includ­ed. Source: www.slonrecomenduet.com

To charge the Pow­er Bank itself, a 38 W unit is designed, with which the bat­tery is restored in 4 hours. The remain­ing charge and volt­age are indi­cat­ed on the dis­play. The bat­tery has a strong, durable case weigh­ing more than 1 kg.


  • ver­sa­til­i­ty and the abil­i­ty to charge dif­fer­ent devices;
  • 28 adapters includ­ed.


  • weight over 1 kg.

The price of Qumo Pow­erAid Note Pro is about 4000 rubles.

Hiper ForcePower 100W

A small exter­nal bat­tery of 20,000 mAh can pow­er not only a lap­top, but also any elec­tron­ic gad­get. The device received a styl­ish and durable met­al case. Fast charg­ing stan­dards sup­port­ed:

  • Quick Charge 3.0 — only in USB‑A;
  • Pow­er Deliv­ery — only via Type‑C.

With this device, you can charge almost any smart­phone up to 6–7 times. An excep­tion may be gad­gets with record-break­ing large bat­ter­ies — with a capac­i­ty of more than 5000 mAh. The Pow­er Bank itself can be pow­ered via Type‑C or microUSB con­nec­tors. On the end of the case there are five LED indi­ca­tors that indi­cate the degree of charge. The device sup­ports pass-through charg­ing: as long as the Pow­er Bank is con­nect­ed to the out­let, you can pow­er oth­er gad­gets from it.

The Hiper For­ce­Pow­er 100W has all the nec­es­sary con­nec­tors for charg­ing a lap­top and a smart­phone. Source: ixbt.com


  • out­put pow­er up to 100 W via Type‑C;
  • end-to-end charge sup­port­ed;
  • com­pact dimen­sions.


  • QC 3.0 and Pow­er Deliv­ery func­tions do not work at the same time.

The price of Hiper For­ce­Pow­er 100W is about 6200 rubles.


So, what is the best exter­nal bat­tery for a phone or lap­top? If you need a com­pact pow­er bank for peri­od­i­cal­ly recharg­ing your smart­phone, you can stop at the time-test­ed Xiao­mi Mi Pow­er Bank 3 10000 mAh. If max­i­mum bat­tery capac­i­ty is a pri­or­i­ty, and you need to charge your lap­top, choose Hiper For­ce­Pow­er 100W or Baseus Blade.

When you want to buy the best exter­nal bat­tery for your lap­top, Rom­bi­ca NEO PRO 440C is the right choice. Only its price can not suit — about 10,000 rubles.