All about mobile chargers and external batteries

By Hervé , on July 29, 2021 , updated on April 21, 2023 - 6 minutes to read
What is a mobile charger?

What is the best brand of external battery?

External battery Storage USB
Samsung eb-u1200csegww High quality product 10,000 mAh 1.
Best Samsung USB / USB-C reviews 10000mAh 2.
Addtop b02p Bestsellers 268000mAh 4.
Essentialb Travel Best value for money 20000mAh 1.

What are the best batteries?

The best car batteries

  • Hankook 12V MF5 series - the cheapest with the best quality
  • Bosch S5 AGM battery. ...
  • VARTA batteries of all series - the best value for money. ...
  • Hankook AGM SA series batteries - the cheapest in AGM technology. ...
  • Optima Red Top RT U (AGM) Battery...
  • Odyssey PC1230. ...
  • The right size.

What is the best brand of Power Bank?

Our selection, the best middle class Best cheap The best highlight
Xiaomi Mi Power Bank 3 Pro Power supply Essentialb 10000mAh PowerCore + 26800 anchor

Which brand of Power Bank to choose?

If you want to charge your smartphone quickly and easily, read our guide to the best external batteries

  • Belkin 10 000 mAh.
  • Charmast 10 000 mAh.
  • JIGA 30.000mAh.
  • PowerCore III 10K wireless anchor.
  • AUKEY Power Bank USB C 10 000mAh.
  • PowerCore Essential anchor.
  • PowerCore 10K wireless anchor.
Also see:   Fido Nomade: understanding how roaming works

What is an external battery?

An external battery is a portable lithium charger that can store electricity so that it can be used to charge or power a mobile device (smartphone, tablet, laptop, camera and other related items) as needed.

How do I know if an external battery is full?

Plug the charger into an electrical outlet. The charge indicator is an orange/red or LED display (depending on the battery charge display) while charging and green/blue once the battery is charged. 4. When the battery is fully charged, unplug the charger.

Which mAh to choose?

We advise you to take the model 5000 mAh or even 10 000 mAh for a good reserve if you wish to make more loads. You can find out the voltage of the battery by simply dividing it by the manufacturer and specifying the amount of energy in Wh (voltage = amount of energy / capacity).

How does a portable battery charger work?

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 the AC charger (via the micro-USB port of the battery).

How to charge a device with a USB plug?

The following procedures explain how to use the USB cable to charge the supplied battery.

  • Slide the cover off and open it.
  • Insert the battery. ...
  • Lower the lid and hold it down until you push it into the closed position.

How do I charge a portable battery?

How do I charge my mobile phone correctly?

  • Use a compatible charger.
  • Do not let the battery fall below 5%
  • Do not load it when it is above 50%
  • Avoid using while charging.
Also see:   Nomadic chargers: how to choose and use a portable external battery?

How do I recharge the Power Bank?

The PowerBank is charged with a USB cable, and for the latter with a USB C cable. The charging speed of a PowerBank depends on three factors: its capacity (mAh), the charging speed expressed in amps (A), and the power supply (adapter and cable).

How does PowerBank work?

How to use the power bank? Using this flexible replacement battery is very simple. After the first full charge, the battery will store enough energy for one or more charges of your devices by plugging the item into an electrical outlet or the USB port of the computer.

How do I turn on a Power Bank?

Connect the USB connector of the original cable or the USB connector of the supplied cable to the PowerBank charging port (OUT). 2. Connect the connector of the original cable or the micro-USB connector of the supplied cable to the mobile device. The light is blue.

How to make a Power Bank?


  • Used laptop battery.
  • "Lithium-ion battery holder" if possible with wire.
  • Charge/discharge module.
  • Tin wire.
  • Component container: here plastic tube / inner tube and bottle cap.

How to use a Power Bank for the first time?

It is recommended that the charger be fully charged before first use. It is also often recommended to completely empty the Powerbank and recharge it about once a month to extend its life and optimize its performance.

When you use your cell phone all day long, it can happen that the battery won't last the rest of the day. That's where the nomad charger comes in! But how do you choose the best model for your needs? It's important to take into account a number of criteria, such as the number of devices to be recharged, charging time and, above all, autonomy. Indeed, a good external battery should be able to recharge your phone several times without needing to be recharged itself. There are also differences between brands and models in terms of power (mAh), size and weight. In this article, we'll help you find the best option for your specific needs.

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