Best charger external battery 2020

Best charger external battery 2022

To always maintain adequate energy for some electronic devices such as phones , computers, power banks have been born. This device helps users to charge phones, smart electronics even when there is no outlet connected to the electrical network. But among so many brands of backup battery charger, how to choose the best charger model? Here are the experience to choose and top 5 best backup battery models that you can refer to!

What is a backup battery?

Power bank is a device that supports wireless charging to connect devices such as phones, computers, music players, etc. Power banks are used to store power through the charging cable. clever. From there, the device can draw power from the rechargeable battery without having to plug into a fixed power outlet.

Why should you use backup charger?

1. Provides power to the fastest and most convenient mobile device

These quality power bank chargers will help power the phone fastest. You can take it with you anytime without having to connect the charger cord to a fixed power outlet. In times of emergency, it is possible to use the power source charger much faster than charging a regular power outlet.

2. Ensure the best power saving

Backup battery charger ensures very good power saving. It only consumes half the power of normal phone charging. Power-saving technology is like that, but the charging speed and battery power are still guaranteed, the battery consumption time is very long. Therefore, users can feel secure when using. The power source of the backup charger will not affect the battery material used by the device being transmitted power. The battery charger is certified to be explosion-proof and to prevent circuit interruptions when charging the phone.

3. Convenient for travel, travel long distances

When you're traveling long distances or traveling, power banks are the most convenient power source for you. A fully charged backup battery charger can provide up to 24 hours of power for mobile electronics.

4. Can be used as a light

Some backup chargers are now also designed to have a very convenient flashlight. You can use lighting at night, used as a night light. Lamp life is very long, does not consume much electrical energy of the charger.

5. Connect battery charger to many different devices

Can connect charging for many different devices

A special use of current battery chargers is that they can connect to multiple devices. It does not restrict the connection and transfer the battery to your smartphone that can connect with computers, with other electronic devices. Therefore, the power bank is also considered as a convenient universal charger.

Experience of buying the best backup charger?

Experience choosing the best backup charger

1. Choose a backup charger with just enough capacity

When buying a backup charger you should be aware of the device you want to use with that type of battery charger. Tablets and laptops should have a capacity of 15,000 to 20,000 mAh. If only used for smartphone devices, you should choose to charge less than 15,000 mAh capacity!

2. Choose to buy backup charger by battery core

Currently there are 2 technologies for manufacturing the most basic battery cores:

LITHIUM-ION

This is considered the battery core is located in the earliest stages. This type of battery core is cheap. Therefore, the current form of mid-range reserve batteries often use this type of battery core. It is more suitable for older devices with removable batteries like Samsung, Nokia. However, this battery core also has the disadvantage of not having a high storage capacity, easily damaged even when not in use and prone to fire. Not only that, it also restricts compatibility with modern electronic devices such as the current iPhone, laptop, iPad.

LITHIUM POLYMER

In contrast to LITHIUM-ION , LITHIUM POLYMER battery core is now one of the most modern battery-storage technologies. This type of battery core is often used for high-tech charging devices such as laptops, ipads and many other types of smartphones. The biggest advantage of this core model is its large capacity of storage, very durable battery and limited battery efficiency. However, its drawback is that the LITHIUM POLYMER battery core chargers have a high price. Also restrict the charging connection to removable battery devices of older batteries.

3. Choose to purchase according to the output port compatible with your device

Currently, the main battery charger has 2 output ports with the capacity of 5V-1A and 5V-2.1A. This is the current rating for the device. Usually 1 charger design 2 USB ports so for the purpose of connecting devices more low and high diversity.

When choosing you should pay attention to the parameters outside the output parameters to choose the charger that best suits the device connected!

4. Select the fast charging input port

When choosing to buy a backup charger, you should also pay attention to the fast charging input port. Maybe when buying many people will not care about the input. But actually it is extremely important. You should choose chargers with fast-charging input devices to reduce the time to only ½ of the normal charging time. It only takes 7 to 10 hours to fully charge a charger with a capacity of 20,000mAh.

5. Material of charging case

High-class materials to ensure safety for the current charger is mainly aluminum or silicon. With high-end chargers, the sandpaper on the outside will be effective against dust. However, its cost will be much higher than other charging lines. If you are careful, you can purchase additional lines of protective chargers. The leather case when the battery is dropped will not break or affect the battery.

6. Feature smart sub

With smart, modern charging models will be integrated with more perfect secondary features. Typically, the system LED battery level indicator, automatically disconnects when there is an incident, the flashlight, ... With the intelligent charger features the higher the price.

7. Choose the charger according to your fashion style

Pay attention to style when choosing power bank

There are many people who are very focused on appearance. Quality is a prerequisite to show the value of a backup battery charger, but the appearance is also a factor that makes its difference.

You can completely choose the charging style and color according to your own preferences. If you want to find backup battery charger models with diverse colors and luxurious designs, Romoss products are the best choice for you. But if you prefer simplicity and simplicity in color, the Xiaomi brand is the best choice.

8. Warranty period of charging

There are many cases where a genuine charger is purchased but cannot be used, the battery is damaged, or the resonant features are defective. Therefore, to ensure the benefits and the money you spend to buy a charger, pay attention to the warranty policy when buying. You should check the documents about the benefits of exchange, the warranty period of the charger. Prevent unjust payment for old and poor quality chargers mixed in the sales address.

Instructions for using the backup charger properly

First, when buying a new charger, make sure to charge it to 100% on the first charge. This will ensure the features and effects of the rechargeable battery.
Next, connect the charging cable properly. With the first charge, do not charge two devices at the same time with the newly created battery, the power is still poor.
Plug the charging cable into the battery head first, then plug in the device. After plugging in the charging cable and fixing the device, then start pressing the switch to ensure the connection is not flickering.
Charge the device until the device lights up 100%, then power off. With some high-end chargers, it will disconnect itself when the device is full.

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