Power Bank 3000 Mah For How Much Enough

Power Bank 3000 Mah For How Much Enough

Power Bank or an external battery will help you charge any device:

iPhone, iPad, also a speaker and much more, something that can be charged using Power Bank.

Power Bank is the same battery as a smartphone with only a larger capacity.

He also picks up a charge for a certain time and afterwards can give it away, that is, charge, for example, an iPhone.

An external battery can be of different capacities: 5000mAh, 10000mAh and 20000mAh.

Depending on the smartphone or device, Power Bank will be able to charge it a certain number of times.

Let us show the example of iPhone 5, iPhone 6 and iPhone 7.

Calculated by the formula

(External battery capacity mAh) / (Smartphone battery capacity mAh1.5)

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Power bank (or portable charger) is an energy storage that can energize gadgets in the absence of an outlet.

Portable external batteries have become a real find and salvation for modern users, since they do not need to worry about the low battery of the gadget when you are actively using it.

Power Bank 3000 Mah For How Much Enough

The use of external batteries is quite wide:

  • hiking trip where there will be no outlets nearby
  • long flight or train ride
  • Active use of the smartphone when the battery is not enough for a day.
  • small amount of native battery

Choosing a power bank can be difficult, because they differ in size and characteristics. For example, some power banks can only charge your smartphone, so if you want to charge something larger (like a tablet or digital camera), you will need a more powerful external battery.

Video: Power Bank 3000 Mah For How Much Enough


But how do you know which power bank is better when price is not a major factor? In this article, we will give some tips on how to make the right choice for portable charging.

Capacity

Power bank capacity is measured in milliampere-hours (mAh). This is the most important parameter of this device. It determines how many times an external battery can charge your device. Typically, capacity ranges from 3000 to 25000 mAh. The larger the capacity, the more times you can charge your gadget. If you need a simple power bank to recharge your smartphone in case of an emergency. 3000 mAh should be enough for you.

Power Bank 3000 Mah For How Much Enough

If you take a power bank at 10000 mAh, you can charge the smartphone several times. Large devices, such as tablets, are more voracious and they will need a more capacious power bank. at least 10,000 mAh. But do not rush to divide the power of the power bank by the battery capacity of your smartphone and thus calculate the number of charges. This is not entirely true. On each power bank with a capacity of 10,000 mAh it is written in small letters that in fact its capacity is less. As a rule, from 10,000 mAh you need to subtract 30% and you get the real capacity of an external battery. The remaining mAh is “lost” during voltage conversion.

For reference, the battery capacity of popular smartphones and tablets:

Title

Battery capacity (mAh)

How to use Power Bank so that it works for a long time:

  • After purchase, as well as every 2-3 months, fully discharge and charge Power Bank
  • It is advisable to charge the bank up to 100%
  • Use it as often as possible, and for long-term storage, the remaining charge of the Power Bank should be about 50%
  • Do not leave the bank empty, it will lead to a quick failure
  • Avoid heat and cold.
  • Use quality chargers and cables

How many charges is enough for a Power Bank with a capacity of 10,000 mAh:

  • 4.6 times iPhone 5s
  • 4 times iPhone 6
  • 3.2 times Huawei honor3c
  • 2.6 times Samsung S5
  • 2.3 times Xiaomi 4
  • 1.6 times iPad mini

To roughly calculate the number of charges from a power bank. take its capacity (10000 mAh) and divide the capacity of the battery of the powered device (4000 mAh), round the result down (10000/4000 = 2.5. round to 2).

Well, now the Power Bank rating is 10,000 mAh:

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