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In order to shorten the charging time, the power supply current of the mobile power supply is relatively large, and it is not good for the mobile phone to charge while using it, but it mainly only hurts the mobile phone battery. If it is an iPhone, it is recommended not to use the power bank frequently.
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Generally speaking, no, only miscellaneous mobile power banks will charge the mobile phone, so you still have to choose a good brand to buy a mobile power supply, and the internal circuit is real, so as to protect the mobile phone; It is best to choose polymer cells, which will not be **, which is much safer than 18650 cells; Now there are too many brands of polymer power banks, and it is not easy to choose, and the Anengtai 10000mAh I am using is very good!
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Strictly speaking, the mobile power supply must be designed to overcharge and overdischarge protection, some bad businesses for the best advantage, the design scheme is not good, but also the use of inferior electronic components, resulting in the output voltage of more than 5V, can not play the role of protecting the mobile phone, more likely to cause accidents because of poor quality; The power bank will not hurt the phone, rest assured!
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The power bank will not hurt the phone, and the well-known brand power bank will not hurt the phone.
1. The power bank is the same as charging with the adapter that comes with the mobile phone and tablet, and it will not cause damage to the device.
2. If you encounter the inferior mobile power supply of some small cottage factories, it will not be able to provide stable voltage and current for mobile phones and tablets, which will endanger these digital devices. When buying a mobile power bank, you must choose some well-known manufacturers, so as to effectively ensure the safety of the device.
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Mobile power supply, you can find the best quality, Yubo, Baishitong, Pinsheng these brands can be!
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It's all hurting friends 4s and it's not going to work anymore.
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Long-term use of power banks.
It will cause damage to the phone battery.
This is because the power bank passes through a universal serial bus.
The interface transmits power to the mobile phone. AC with the charging plug.
In contrast, the power output of the power bank is relatively small, and a certain amount of current will be lost when the power bank is charged. However, some users believe that the power of the power bank to charge the phone is not long-lasting, because the power of some power banks may not match the power of the phone.
Hence the conversion rate of electrical energy.
If it is too low, the battery level displayed by the phone is "virtual electricity". Therefore, although theoretically using a power bank to charge a mobile phone will not have any negative effects, if you use an unqualified inferior power bank, it will still cause unnecessary damage to the battery.
The power bank just charges the phone when it can't be used, and keeps the communication or the phone won't turn off.
Long-term use of the power bank to charge the mobile phone will damage the battery life of the mobile phone, because the output voltage of the power bank will be a little unstable, the output voltage will be high and the output voltage will be small, and the output voltage cannot be fully controlled, so frequent use will affect the use of the mobile phone battery. It is recommended to use the original power supply when charging the mobile phone with the original charger.
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No, the charging voltage should not be exceeded, the current should not be too large, there is no problem, there is a PCB protection board in the mobile phone battery board, and if it is not normal, it will cut off by itself.
I often take off my laptop battery and charge it like this.
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No, but don't use it often.
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There is no big problem, as long as you don't buy an inferior power supply, it is generally no problem, the voltage output of the power supply is 5V, which is in a no-load state, in fact, most of them are now using lithium batteries, and this kind of battery needs constant current charging, that is to say, the requirements for current are high, after the full charge of the control circuit from the battery end read the voltage feedback to the control circuit for comparison, the comparison results reach the preset value will make the protection circuit start from stop charging. That's what it does.
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Nothing....The cells in the battery have been tested for overcharge and over-discharge...Besides, the battery cell plus the chip board is very safe and applicable....The electric current should not be too large.
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