If you want to buy a power bank, you are afraid that it will be unsafe or false, what kind of suitab

Whether the power bank is safe or not depends largely on two aspects:

The first aspect is the battery cells mentioned above.

The quality and quantity of the battery cells of the power bank must meet the standard, and the inferior power bank battery is easy to short circuit after rusting, which is easy to cause. At the same time, in extreme environments such as high temperatures, inferior batteries are also more likely to occur**. Especially for large-capacity power banks, once it happens, the consequences are very serious.

The second aspect is the power bank shell.

Flame retardant refers to the power bank cell, circuit short circuit or mechanical action and other factors caused by ** or combustion accidents, the power bank shell can be extinguished after being ignited, which can prevent the spontaneous combustion of the battery cell from causing further harm. Therefore, in general, the power bank is easy to **or**, the reason is that the shell is not flame retardant, and even some inferior power banks can be ignited with a lighter. According to the national standard, in the case of uncontrolled heating of the battery cell or other components, the shell of the power bank should be able to effectively prevent or alleviate the spread of fire and avoid causing more serious damage.

In terms of gravity impact bearing, according to national standards, the internal battery of the power bank product is not a safe mobile power bank with a kilogram of weight falling from 610 mm and hitting the surface of the battery.

In order to reduce the cost of power banks, most illegal manufacturers, even some regular manufacturers, use inferior battery cells (batteries) and shells, resulting in poor flame retardancy, unresistant to drops, and sometimes potentially fatal dangers.

Go buy Xiaomi's, ** it's not bad, many of them on the market are not up to standard.

Thanks to the mobile phone power bank.

The industry threshold is low, and there is no unified national standard for mobile power supply, in order to play the "heartbeat", some manufacturers are in the shell, circuit board and battery cell.

Three aspects of cutting corners and cutting rice.

Inferior power banks have the following characteristics:

First, there is no brand, no regular manufacturer's power bank is cheaper, don't buy it;

The second is that the battery cell of the power bank department is very important, before buying the company, you should understand the battery cell of the product, the highest safety is the lithium polymer cell, lithium ion can also be, cylindrical battery cell is not recommended to buy;

The third is the efficiency conversion rate.

Do not lower than 80, if it is lower than this standard of power bank, the internal battery cell will have a lot of heat when working, and there are unsafe factors;

Fourth, we must choose to buy a brand with authoritative certification, so that you can basically use it with confidence.

The capacity of the power bank.

Generally speaking, the maximum capacity of the power bank is 20,000 mAh, if the capacity exceeds 20,000 mAh, it means that it is a fake power bank.

The material of the power bank.

Observe the material of the power bank, if the power bank is charged for a while, it will heat up.

, it means that the material is poor.

The appearance of the power bank.

If there is no problem with the quality, you can buy the power bank from the appearance of the power bank, and now the power bank has many colors and shapes.

Capacity Units. Then look at the capacity unit written on the power bank, if it is written in Chinese, then it means that it is a fake power bank, and the capacity unit of the power bank produced by the general regular manufacturer is MAH.

We can see from the appearance of a bad power bank that they will be particularly bad as a whole and are very easy to break.

The battery will bulge for a while.

Design. When choosing a power bank, the most intuitive comparison is the appearance design and color of the product, a good design of the product can get better competitiveness, a lot of fashionable positioning of the power bank has also invested a lot of money in the design.

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Surface material. The surface material of the power bank also directly determines the feel and heat dissipation capacity of the product, and some power bank products use V0 grade PC fireproof plastic, which has a super feel, good heat dissipation effect, and is small and easy to carry. Of course, consumers have different opinions on appearance and material, in fact, they only need to choose their favorite shape and color, and make it easy for them to carry and use.

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False capacity standard.

Different brands of products have different positioning, which is also based on product cost and profit considerations, and for a diverse group of users. However, with the fierce competition of products, the profit margins of manufacturers are gradually decreasing, and there is a situation of false capacity standards.

In fact, the biggest reason for the false capacity standard lies in the battery cell, and there are two common battery cells for power banks: 18650 battery cells and lithium polymer batteries. In terms of safety, lithium-polymer batteries are better than lithium-ion batteries, and their life is longer.

In fact, as long as the introduction of the power bank is checked in detail, the general regular power bank brand has a detailed description of its battery cells and capacity.

Ease of use.

Many power banks are designed with a power indication function, which is also a necessary condition for practicality, and 4 LED indicators can meet the needs. Many power banks also have lighting functions. In addition, the power bank that can meet the needs of fast charging will also bring more convenience to everyone in use.

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After-sales service. For consumers, while paying attention to quality issues, they are also concerned about the after-sales service of products, and regular brands of power bank products will provide consumers with warranty, usually 1 year, and a few will provide 1 and a half years. If there is a quality problem during the warranty period, replace it immediately.

Translucent, because some power banks are fake, so some people will have fillers or no fillers, because the fake power bank material is not so good, so it will be transparent.

**The product of the power bank is gray, and there are spare parts at the left and right ends of the barcode. Counterfeit products are printed in black, and a single product covers almost the entire area.

Texture, the texture of different power banks is different, and some good ones will use refractory plastics. The materials of the shoddy power bank are relatively poor. Generally, plastic materials are easy to deform, not resistant to dirt, and have a strong reflective effect.

** The power bank logo is more refined and darker looking, while the fake power bank is lighter in color and has horizontal and vertical stripes.

If you want to judge that the power bank is inferior, most of the time you can fully charge the phone or charge it for a long time during the charging process, on the other hand, the charged power still goes very fast.

In terms of absolute safety, it is definitely safer to use a power bank to charge a mobile phone than a wall charger.

The power of the power bank ** is a lithium battery, which is the same material as the mobile phone battery. Wall charger power** is 220V AC mains. When the product fails, the power bank is usually damaged by itself, and it is difficult to harm the mobile phone due to insufficient output voltage, which is even less harmful to the human body.

If the wall charger is damaged, there are two possibilities: first, it is damaged by itself and has no output. This poses no threat to the phone or the person.

2. The high-voltage insulation is broken, and the AC mains conducts the output end. This situation is very dangerous, the destruction of the mobile phone can be very great, and bad luck can cause the human body to be electrocuted.

So try not to use a wall charger while charging your phone!

As long as it is a battery product, there are individual safety problems of spontaneous combustion, including mobile phones. This is a problem of the manufacturer's quality management, and some news is fake news that touches porcelain, which is not enough to train.

The power bank is when you walk on the road on a business trip and can't find the socket, to ensure that your mobile phone and computer will not be powered off, he is like the rechargeable battery, it should be the same.

It is definitely safer to charge your phone with a power bank than with an AC-DC charger.

Power banks damage the life of mobile phone batteries more than chargers.

A while ago, the news was still talking about the spontaneous combustion of the power bank......

1. First of all, choose the best one, and the quality is guaranteed after sale. Pinsheng, Dian Xiaoer, Yubo, these are all brand goods, although the majority of domestic batteries are basically domestic, but they will not use too poor domestic batteries to damage their reputation. Empire has the most fakes online, so be careful;

2. Choose one with more than four lights of power display, which is managed by software, which has an extra layer of protection and is safer.

3. Do not choose the highest mobile power supply with the same capacity, the production cost is basically the same, but the brand positioning is different, resulting in a large retail price difference;

4. Too cheap is unreliable, now there are many fake and shoddy products on the Internet, all of which are falsely marked with capacity, which looks cheap, but in fact, not only the quality is not guaranteed, but the capacity is less than half;

5. A few must-ask questions: aHow many times can this power supply charge my xx mAh phone battery?

b.How long does it take to charge itself? c.

How long does it take to charge my iPad? These three questions are to estimate whether the capacity is false, whether the input current is false, and whether the output current is false. Moreover, it does not need to be taken apart to verify;

6. The capacity should not be too large, and it is better to be fully charged in one night, so that it will not affect the next day. If you really need a large capacity, it is better to buy two, which is more convenient;

7. If there is a clear way, choose a steel shell cell with ternary cathode material, such as the 18650 model, which is as safe as the soft-pack polymer, and the failure rate is lower. Because the polymer cells of the pouch are easy to be extruded and deformed, which affects the performance;

8. The steel shell battery cell of lithium cobalt oxide cathode material is best not used, and the one with the worst safety performance is the one that has happened before. (Now the country's five major battery cell giants, especially Samsung and Sanyo, have all used lithium cobalt oxide as cathodes, and all use ternary materials).

There is no best, only the suitable, the upgrading of electronic products is super fast, where does the best come from, hello, others will immediately develop better. Go buy one that suits you, you just need it. 1. You will choose the quality of the power bank, the polymer lithium battery, which will be used for a long time.

2. The capacity of your phone itself, and the capacity you need; For example, the capacity of your mobile phone itself is 1500 mAh, if you use the mobile phone to make frequent calls, frequent games, frequent wifi, it will be very power-hungry, and you need to buy a power bank with a minimum of more than 6000 mAh. Make sure you are fully charged more than twice, so that you will not run out of power when you are playing games and watching the web. Refusing to cut off the power is your reason to use a power bank.

Pay attention to these two points, you can do it, and the others, with a little attention, you can use them with confidence.

Place the power bank in a dry environment, use your power bank often, charge and discharge the power bank once a month, and use it frequently. It can maximize the service life of the mobile power supply, anti-drop and shock-proof, anti-cold and heat-proof, do not use strong chemical products, cleaning agents or strong detergents to clean the mobile power supply. To remove the appearance stains of the power bank, you can use cotton dipped in a small amount of anhydrous alcohol to scrub.

Sino is one of the good polymer power banks.

If you can not use the power bank, try not to use the power bank, it is easy to burn the mobile phone because of the unstable voltage, I burned a mobile phone that I just bought not long ago, my heart hurts!! It's better to be diligent and charge more!

This is not difficult, it is to buy legal and compliant power banks produced by regular manufacturers through regular channels.

Don't sacrifice your phone for a few bucks.