How to choose a battery for your smartphone

When choosing a battery for a smartphone is in the first place pay attention to the model of this component.

How to choose a battery for your smartphone: what is desirable take into account

The main criteria for choosing a battery for a smartphone are:

  1. View (external, internal removable, internal non-removable);

  2. Capacity (for internal);

  3. Characteristics of external batteries (capacity, case material, output current, number and types of connectors, technology support fast charge).

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The type of battery itself can be ignored, because in the vast most smartphones use lithium polymer batteries.

Types of batteries

The concept of “battery” in relation to smartphones is enough extensible. This term may be referred to as a built-in battery, and external, designed to recharge the device away from sockets. On English-language online stores, devices of the first type called the battery, and the second – power bank.

External battery (portable, power bank, power bank)

external battery

An external battery is a simple device designed to recharging your smartphone or any device away from the “outlet”. Structurally, it is a battery connected to a controller nutrition. Being charged, it is capable for some (relatively long) save stored energy, and then share it with a connected smartphone.

External batteries cannot replace damaged batteries. smartphone battery or just a charger. They are intended precisely for storing a certain amount of energy “in reserve” for case of sudden discharge of your favorite device.

Internal removable battery

Internal removable batteries installed directly in a smartphone, most often under the back panel, and are designed to power mobile device. Removable design means such a battery can be removed if necessary – to replace it to another or disable the device completely.

Internal non-removable battery

Internal non-removable battery

Internal removable batteries are structurally similar to removable with the exception of a few buts. Firstly, they are located behind non-separable case, as a result of which without special knowledge and equipment to remove them is almost impossible. Secondly, connecting these batteries to the motherboard has more compact sizes. And finally, the lack of connectors with high resistance allows you to use technology fast charging.

Which battery to choose?

When choosing a battery, it is worth considering several parameters in depending on the intended use:

  1. Check if the smartphone is removable or non-removable battery. Removable can be replaced independently, and for removal fixed and installing a new one will need to carry the device in service center;

  2. Why do you need a battery? If the smartphone battery started quickly sit down and more than a year has passed since the purchase of the device, get very hot or almost instantly discharge in the cold, then you need to replace the internal battery. If you just want to extend autonomy, you need an external one;

  3. In order to extend the autonomy of a smartphone with a removable internal battery, you can purchase several internal batteries and change them as they discharge. But it is not so practical like using a power bank.

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It is worth remembering that fast battery discharge in ordinary conditions, as well as heating it, can signal not only about battery damage. Often these “symptoms” are caused by problems with firmware. Therefore, before buying an internal battery is Contact a service center.

Smartphone Battery Selection Options

Options for selecting internal and external batteries vary.

Internal battery

When choosing an internal battery, pay attention to following characteristics:

  1. Model;

  2. Compatibility;

  3. Capacity;

  4. Manufacturer.

The model is especially important for internal non-removable batteries. It directly determines whether the battery can be installed in an existing one. a smartphone – both in design features and in electrical parameters. You can find out a specific model as with stickers on the existing battery, and from the specifications device.

For internal removable batteries, the model has an important, but not prevailing value.

Compatibility determines, as the name implies, compatibility battery with an existing smartphone. She may be like constructive as well as electrical. First compatibility type implies the possibility of installing the battery in a smartphone – it must have the same dimensions and the same arrangement of contacts, like the original. Electrical means that amperage and the voltage will be used are the same as those to be applied in device.

Compatibility is usually indicated on the packaging and in the description. battery.

Capacity determines the battery life of a smartphone from battery in use. The higher it is, the longer it will “live” device without recharging. However, in most cases, the capacity a new battery matches the same parameter as the old one.

Portable batteries

portable batteries

When choosing a portable battery, you should pay attention to following characteristics:

  1. Capacity;

  2. Charging current;

  3. Body material;

  4. Number and types of connectors;

  5. Support for fast charging technology.

Capacity determines battery life. More precisely, it depends on how many times the power bank is able to charge a smartphone connected to it. Most modern mobile devices are equipped with a 2000-3000 mAh battery, therefore an external charger is worth taking at least 5000 mAh, since its self-discharge is observed, drops during current transmission and other factors that reduce actual capacity.

The charging current determines the charging speed of the connected a smartphone. For older devices, the optimal value for this The parameter is 500 mA. For new smartphones it makes no sense buy external batteries rated for less than 1 A. They will be discharged faster than being charged.

The material of the case determines the practicality of the power bank. Plastic is cheap, but it easily scratches and cracks when dropped. Metal is a bit more expensive, but more practical.

The number of connectors determines the number of devices that can be charged from one powerbank at a time. If external the battery is planned to be used only with a smartphone, then one connector is enough. If still with a laptop, tablet, headphones, smart watches or similar device, you will need both at least two connectors.

The type of connector determines cable compatibility. The most common standard is USB Type-A – or “normal” USB. Modern USB Type-C is still found quite rarely. Even smartphones equipped with it are usually equipped with a cable for USB Type-A on one side and Type-C on other.

Support for fast charging technology allows you to restore stock energy in the battery of the connected smartphone (which also its supports) significantly faster than usual. However she leads to intense wear of powerbank batteries.

How to choose an external battery for a smartphone

When choosing an external battery, it’s worth solving a few questions:

  1. Capacity. The minimum required is 5000 mAh. Subject to external factors, it will allow you to charge your smartphone from 0 to 100% once. Better, of course, 10,000 mAh or even higher;

  2. The number of connectors. On external batteries rated less than 10,000 mAh, it makes no sense to install more than one port

  3. Charging current. For new smartphones, it must be at least 1 AND;

  4. Material. You should choose based on your own preferences.

  5. Support for fast charging is not particularly needed.

The best manufacturers of batteries for smartphones

The best manufacturers of internal batteries are:

  1. LG

  2. Craftmann;

  3. TF1;

  4. Manufacturers of smartphones themselves – Samsung, Sony, etc.

The best manufacturers of power banks:

  1. Xiaomi;

  2. Inter-Step;

  3. Hiper;

  4. Canyon.

  5. Rombica products are also interesting.

In the following articles, our experts tell you how to choose push-button telephone and secrets of choosing a telephone for the Internet.


Attention! This material is subjective opinion of the authors of the project and is not a buying guide.

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