Choosing the right external battery for your smartphone

Which external charger for smartphone?

Which external batteries are the best? Comparison 2021

• Charm 26800mAh.
• Xiaomi Mi Powerbank 3 Pro.
• Hiluckey T11W.
• Anker PowerCore 5000mAh.
• Anker PowerCore Nintendo Switch Edition 13400mAh.

What is an external battery?

External batteries or back-up batteries are additional batteries with which you can recharge your smartphone, touch tablet or other USB rechargeable accessories such as cameras, Nintendo DS, PSP, MP3...

Which external charger for iPhone?

Which external battery to choose for iPhone?

• Comparison of the 3 best external batteries for iPhone.
• RAVPower 22000mAh: the most powerful external battery ...
• POWERADD 12000mAh: currently the best quality/price ratio. ...
• Anker PowerCore 5000: an inexpensive but reliable external mini battery ...
• Depending on the model.

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 given 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 calculate the autonomy of a battery?

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

How to read mAh ?

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

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.

What is the best brand of external battery?

In our opinion, the result of the test will be the best battery. The Anker brand, popular in the energy sector, has many external batteries that are characterized by their performance (10,000 mAh battery, 20,100 mAh, etc.).

Which brand for a good music drum set?

Which drum set should I buy to learn to play music?

• Brand name battery n°1 : Gretsch.
• Brand drum n°2 : Pearl.
• Battery brand #3: Yamaha.
• Battery brand #4: Tama.
• Drum set brand #5: Ludwig drum kit.
• Drum brand n°6 : Sonor.
• Battery brand #7: Mapex.

Which brand of Power Bank to choose?

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

• Belkin 10 000 mAh.
• Charmast 10 000 mAh.
• JIGA 30 000 mAh.
• Anker PowerCore III 10K wireless.
• AUKEY Powerbank USB C 10 000mAh.
• Anker PowerCore Essential.
• Anker PowerCore 10K wireless.

How to buy a good external battery?

Choose a model with the connector for your devices (Micro-USB, USB, USB-C). Check that the connection ports provide the right power (W) for your device. Some batteries are compatible with wireless (induction) charging or fast charging.

Which mAh to choose?

We recommend you to take a 5000 mAh model for a good margin, or even 10 000 mAh if you want to make several charges. You can see the voltage of the battery by simply dividing it if the manufacturer indicates its amount of energy in Wh (voltage = amount of energy / capacity).

How to choose the right auxiliary battery?

The additional battery must be chosen according to the engine battery (main battery): The difference in capacity between the two batteries must not exceed 20 %. With a main battery of 100Ah/H, the additional battery has a capacity of between 80 and 120Ah/H for example.

How much battery power for a smartphone?

The higher the number, the greater the autonomy. We advise you to choose 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.

External batteries are devices that enable you to recharge your cell phone or other electronic device when you're on the move. They are particularly useful when you don't have access to an electrical outlet, or when your phone's internal battery is weak. External batteries come in different shapes, sizes and capacities. To choose the right external battery, it's important to understand how they work and the criteria to consider, such as mAh, power, manufacturing quality and compatibility with your electronic device.