Power Bank Is Not Easy, So Be Careful When Purchasing.

With the development of technology and the increasing popularity of smartphones, people are no longer satisfied with the fixed point charging mode. The power bank also quickly became popular. There are a variety of mobile power supplies on the market, including some inferior and rough power banks. News from the power bank explosion occurred on several occasions in the news. Therefore, everyone should pay attention to the following points when purchasing power banks: capacity, conversion rate, charging speed, battery type and circuit safety.

NO.1 Capacity

The capacity is the maximum storage capacity of the power bank. It is expressed in milliamps/hour. The English abbreviation is mAh. The larger the value, the larger the battery capacity. At present, the charging capacity on the market is generally between 10000mAh and 20000mAh, so how to choose?

(The picture shows xiao mi power bank, from the official website.https://www.mi.com/)

In general, the larger the capacity, the larger the volume of the power bank. Too large a volume will affect portability. I believe that everyone certainly does not want to run around with a brick-sized power bank. In fact, for the average person, 10000mAh is enough to use for a whole day. For those who need to use a mobile phone for long-term work, they can consider 20000mAh.

NO.2 Conversion rate

(The picture shows xiao mi power bank, from the official website.https://www.mi.com/)

As the name suggests, it refers to the efficiency of charging the power of the treasure into the energy received by your mobile phone. The general power bank will be marked with the rated capacity in its product introduction. The rated capacity is the power that the power bank can actually output to your mobile phone. Almost all power bank have a rated capacity smaller than their maximum capacity. It is not surprising that all power supplies have a problem of loss when converting electrical energy, which is unavoidable.All the power bank are not as durable as described

NO.3 Charging speed

We know that many mobile phones now have a flash function. In fact, there are also mobile power sources. Let’s talk about what is fast charging.We all know that the charging speed depends on the voltage and current, so if you want to increase the charging speed, you can only increase the voltage or current. High-voltage fast charge is generally 9V2A, 12V1.5A parameters, such as Qualcomm's QC fast charge; high current fast charge has 5V3A, 5V4A and other parameters, such as VOOC fast charge.If you want to use mobile power to quickly charge your phone, you need to meet the following conditions:

1.The mobile power supply supports fast charging;

2.The mobile phone supports fast charging;

3.the charging head and even the charging line should also support fast charging;

4.These products must belong to a fast charge agreement.

(The picture from the ugreen official website.https://www.lulian.cn/)

What do you mean? That is to say, these products are all high voltage fast charging protocols, or they are all high current fast charging protocols, otherwise even if you write fast charging, you will not be able to charge quickly because of incompatibility. As for how to know whether these products are the same protocol, it is very simple. According to the above, look at the standard parameters of these products, and then match them as needed. So when choosing a fast-charge mobile power source, be sure to figure out what protocol your phone supports.

NO.4 Cell type

Common mobile power batteries in the market, there are 18650 and polymer18650 is the originator of lithium-ion battery.

It is a standard lithium-ion battery model that SONY set in order to save cost. Among them, 18 means diameter is 10mm, 65 means length is 65mm, 0 means cylindrical battery.

The 18650 is the earliest, most mature and stable lithium-ion battery. Its advantages are stable technology, low price and good safety. It is suitable for large-scale use. The most obvious shortcoming is that the volume is slightly larger and the shape is not variable, so the mobile power source using such a battery core generally has a large shape.

Polymer batteries refer to lithium-ion batteries that use aluminum-plastic packaging film as an outer package, which is what we often call soft-pack batteries. The advantage is simply that it is thinner and the shape can be changed. It can be customized according to customer service requirements, and the product can be changed in more shape. However, the cost is higher than the 18650, and the price of the product will be higher.

NO.5 Circuit safet

The mobile power source is an energy substance and has its own danger. Therefore, it is necessary to carry out safety protection. It can be judged whether it is safe by observing the internal circuit structure. Usually, the mobile power supply with the foot is well-arranged, the circuit board is neatly arranged, the workmanship is meticulous, the stacking material is solid, and the protection mechanism is complete, so that the mobile power source can start.In addition, the polymer battery core is small in size and easy to carry, but if it is used improperly, such as impact, puncture, etc., it will cause an explosion. The risk of a 18650 battery explosion is much smaller.

The current mobile power market is very deep in water, shoddy, and there are many people who are crude and inferior. So remind everyone to keep your eyes clean when you buy mobile power.Therefore, a good power bank is impossible to meet, here is recommended MSL-force power bank.

NO.1  MSLFORCE | Patented Product - Airscale Power Bank with Digital Luggage Scale with LCD Display

http://www.mslforces.com/power-bank/mslforce-patented-airscale-power-bank.html 

MSLFORCE | PATENTED PRODUCT -  Airscale 

Power bank with digital luggage scale with LCD display.

The air scale is the perfect size for storage in a pocket or laptop bag due to its small size and also has a built in charger for charging your mobile phone which is an unexpected but great addition.

Product Description :

Air scale tackles two of the most annoying problems with traveling:surprise baggage fees and running low on smartphone's battery. Air scale helps keep track of your baggage's weight to avoid the airlines' exorbitant overweight baggage fees. It is not easy to find a power outlet to charge your devices, especially when traveling to a foreign place. Air scale provides a convenient, power source to recharge devices for your journey. Air scale combines the functionality of battery bank and a baggage scale into a svelte and compact device. Air scale is ideal for frequent business travelers and vacationers for keeping tabs of their baggage weight and recharging their digital devices. Air scale prepares air-travelers for excess weight problem during airport check-in and it can calibrate weights up to 40kg. In the LED screen, you can select either display kilograms or pounds. For charging of mobile phones, air scale can recharge most mobile phones fully for more than 2 cycles. With a capacity of 6,500mah consisting of lag battery cells, the charging time is 2 times faster than most power banks one find in the market, with currents of 2a (input) and 2.4A (output).

NO.2  [Promotional Sales ] 5V 2A High Quality Protable Power Bank External Battery Pack 10000Mah For Smart Mobile Phone

http://www.mslforces.com/power-bank/promotional-sales-5v-2a-high-quality-protable.html 

Promotional sales 5V 2A High quality protable Power Bank External Battery Pack 10000Mah for smart mobile phone , Samsung mobile phone , Ipad , Iphone , Ipad

Type:Emergency / Portable

• Battery Capacity(mAh):10000mAh

• Quality Certification:CE

• Battery Type:Samsung Original 18650 battery

• Support Quick Charge Technology:Two-way Quick Charge

• Is LED Lamp Illumination:Yes , With LED lamp

• Output Interface:Dual USB

• Supports Solar Energy:No

• Input Interface:Micro USB

• Output:5V/2.1A

• Style:External Battery Pack for Mobile phone

• Color:black /white

• Voltage:Input: 5V Output: 5V

• Applicable Object:Universal

• Input Interface:Micro USB/AC

• Output Interface:Double USB

Power Bank 10000mAh External Battery Pack Portable Mobile Charger Dual USB Output For Cell Phones Tablet PC

Short-Circuit Protection : It will automatically provide protection to main board and battery cell when there is abnormal short-cricut.
Overcharging and over discharging protection: With specialized lithium protection components, it can effectively prevent overcharging and over discharging.
Input overvoltage protection  & Output over current protection & Output overvoltage protection

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Our assembling information and computer devices in tested purpose for you reference .

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