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Buying guide: How to choose the best external battery for your smartphone?

By Hervé , on July 29, 2021 , updated on April 21, 2023 - 5 minutes to read
Which mobile charger to choose?

What are the best external batteries?

What are the best external batteries?

  • Anker PowerCore II 10000. The best price. ...
  • Aukey PB-WL02 Basix Pro. 45,99 € > Photographer.
  • Innoo Tech 10 000 mAh. The most ecological. ...
  • Anker PowerCore 5000 mAh. The most compact. ...
  • NOCO Boost Plus GB40. ...
  • XTORM Xtrem AL420. ...
  • Novoo 22 500 mAh. ...
  • Lithium tank 50 000 mAh.

What is the best brand of Power Bank?

Our choice, the best medium Best cheap Best of the best
Xiaomi Mi Power Bank 3 Pro Power supply 10000mAh Essentialb Anker PowerCore + 26800

Which Xiaomi external battery to choose?

XIAOMI Mi Power Bank 3: external phone battery with extra quality from Xiaomi. This battery is compatible with any Android electronic device and it's perfect for a battery that can restore 10% of charge in just 10 minutes.

Which brand of Power Bank to choose?

To recharge your smartphone quickly and easily, check out our buying guide to the best external batteries

  • Belkin 10 000 mAh.
  • Charm 10 000 mAh.
  • JIGA 30 000 mAh.
  • Anker PowerCore III 10K wireless.
  • AUKEY Power Bank USB C 10 000mAh.
  • Anker PowerCore Essential.
  • Anker PowerCore 10K wireless.
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Which mAh to choose?

We advise you to take a 5000 mAh model to have a good margin, even 10 000 mAh if you wish to carry out several loads. You can know the voltage of the battery by simple division if the manufacturer indicates its quantity of energy in Wh (voltage = quantity of energy / capacity).

How to choose the right auxiliary battery?

You must choose the auxiliary battery according to the engine battery (main battery): the difference in capacity between the two batteries must not exceed 20 %. For example, for a 100Ah/H main battery, the auxiliary battery will have a capacity between 80 and 120Ah/H.

How much battery power for a smartphone?

The higher the number, the greater the autonomy. We recommend at least a 3500 mAh battery or even 4000 mAh if you use your smartphone a lot and you don't want to recharge it every day.

Which external charger for smartphone?

What are the best external batteries? Comparison 2021

  • Lovely 26800mAh.
  • Xiaomi Mi Power Bank 3 Pro.
  • Hiluckey T11W.
  • Anker PowerCore 5000mAh.
  • Anker PowerCore Nintendo Switch Edition 13400mAh.

Which external charger for iPhone?

Which external battery for iPhone to choose?

  • Comparison of the 3 best external iPhone batteries. ...
  • RAVPower 22000mAh: the most powerful external battery ...
  • POWERADD 12000mAh: the best quality/price ratio of the moment. ...
  • Anker PowerCore 5000: a cheap but reliable mini external battery.
  • It depends on the model.

What is an external battery?

The external batteries or emergency batteries are additional batteries that allow you to recharge your smartphone, touch tablet or any other USB rechargeable accessory such as cameras, Nintendo DS, PSP, Mp3...

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How do I recharge a smartphone backup battery?

All external batteries (or portable chargers) have a charging cable to charge the battery itself. This is usually a USB to micro-USB cable. Use it to connect the battery to the USB port of a mains charger (via the micro-USB port of the battery).

What is the mAh on a battery?

The battery capacity is indicated in mAh (milliamps/hour). ... If you insert the battery into a device that draws 100 milliamps of direct current, the device will run for about 20 hours.

How to read mAh ?

The A is written in capital letters and stands for one thousand amperes per hour. The mAh measures the power of the battery, and therefore the autonomy it can give to your smartphone.

How to calculate the autonomy of a battery?

To calculate the distance of your battery in kilometers, you just have to multiply the distance in hours by the speed in km/h knowing that we ride at an average speed of 25 km in electric bike. If we continue with our example, we will have 3,21 * 25 Kmh = 80,64 Km of theoretical autonomy.

How to calculate the battery capacity?

E = U (volts) x capacity (Ixh), e.g. for a 12 volt battery of 60 Amps x hours: 12 volts x 60 Ah = 720 volts x (Amps x hours) = 720 (volts x amps) x hours = 720 watts x hour = 720 Wh.

With the intensive use we make of our smartphones on a daily basis, it's not uncommon for their autonomy not to last all day. That's where the external battery or Power Bank comes in, enabling you to recharge your phone on the move. Whether you're traveling or simply spending a long day outdoors, having an auxiliary battery can come in very handy. But how do you choose the right external battery for your needs, and what features are important to consider? We explain it all in this article.

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