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Which mobile battery to choose?

By , on July 29, 2021 - 5 minutes to read
Which mobile battery to choose?

Which Xiaomi external battery to choose?

XIAOMI Mi 3 Power Bank: an external phone battery with the added bonus of Xiaomi quality. This battery is compatible with any Android electronic device and is perfect for a battery that can restore 10 % of charge in just 10 minutes.

What is an external battery?

An external battery is a wireless charger that charges your smartphone, tablet and sometimes even your laptop.

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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 approximately 20 hours.

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 amp) x hours = 720 wat x hour = 720 wh.

How to calculate the autonomy of a battery?

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

How to read mAh ?

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

How to choose a mobile battery?

External batteries are sold between 10 and 150 € depending on their manufacturing capacity and quality. Avoid low-cost models. Aim for a 5,000 mAh battery to charge one smartphone, 10,000 mAh to charge one or two smartphones and tablets.

How does a mobile battery 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 a USB AC charger port (via the micro-USB port on the battery).

How much battery power for a smartphone?

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

Which mAh to choose?

We advise you to take a model 5000 mAh to have a good advantage, even 10 000 mAh if you wish to recharge several. You can know the voltage of the battery by a simple score if the manufacturer specifies the quantity of its energy in Wh (voltage = quantity of energy / capacity).

How do I know if my backup battery is charged?

Plug your charger into the mains socket. The charge indicator is orange/red or LED display (depending on your battery charge display) when charging and green/blue when the battery is charged. 4. When the battery is fully charged, unplug the AC charger.

How to choose the right auxiliary battery?

You must select 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 of 80 to 120Ah/H.

What is the best brand of external battery?

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

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