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Portable chargers: basic selection criteria

As mobile technology develops, portable chargers are becoming more relevant. You can use them not only in pairs with smartphones, but also other devices: music players, video cameras, navigators and so on. Today we will talk about what kind of portable chargers are.

Design features

The overwhelming majority of them work on the basis of internal rechargeable battery type. If the battery is discharged, then it is logical that the portable charger can not work . Some accessories can only fit a certain brand of smartphones, for example, only for iPhones. But manufacturers are trying to produce universal chargers on the market .

Tips for those who decide to buy an external battery

There are general recommendations that will be of interest to users:

1) Portable chargers should be selected based not only on their technical characteristics, but also on the performance of the device for which you select the battery. Find out how much power your smartphone consumes, and buy a charge that has more power.

2) Do you like to travel? Then you need to buy another power supply. This time for a portable charger. It will not be able to provide the smartphone with energy forever.

3) For long trips created solar panels. If the prospect of a hike with multiple charging of a mobile phone looms ahead, then the solar panel is irreplaceable.

4) Especially effective solar panels like portable chargers will be on clear, sunny days. These autonomous sources of power supply will become a practical analog of other batteries, since without the participation of a person can charge connected devices.

5) Some electronic devices do not allow them to be used during the charging process. Do not forget about it. If the power supply is charged from the solar panel, you also can not use it to charge the device.

6) Despite the presence of an external battery, do not forget to fully charge the mobile phone before a long trip. The power supply may not be fully upgraded, and the gadget will remain without charge at the most inopportune moment.

7) The portable charger for iPhone 5 is designed in a special way, and we highly recommend that you not purchase external power supplies of a different type, so as not to damage the battery of your mobile device.

Criteria for which you need to pay attention. Sources

Portable chargers are equipped with internal batteries. Otherwise they are called power supplies. To be able to charge the smartphone, you need to keep the power supply itself in working order. What methods of recharging are offered by the manufacturers of the bulk of external sources of autonomous work?

1) Computer (using the USB port).

2) Alternating current.

3) The solar panel is attached or built-in type.

4) Replaceable AA battery.

output power

This parameter is often called the most important characteristic. In the worst case, a portable charger for a phone should have not just a comparable but equal nominal power. However, it is better if it is more than a smartphone that is supposed to be charged. Otherwise, the units will be discharged on the contrary.

Connectors and interfaces

Portable chargers are equipped with outputs of several standards: ordinary, mini and micro. There are models that work with adapters. The number of inputs can be different. In cheap models - only one. In the middle - just two. This is the best option.

Battery capacity

The larger it is, the more charging cycles can be performed. This characteristic is typically measured in the dimension "milliampere per hour" and is labeled "mAh". Calculate how many times an external power source can charge your smartphone (knowing the capacity of the batteries of these two devices), it will not be difficult.

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