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In the current hands of a smart device, there are more and more power adapters in the home. In the case of a laptop, sometimes the notebook is damaged or replaced, and the power adapter becomes useless. Some people choose to throw it away, and some people choose to use it with other devices of the same type, but in fact the same kind of power adapter is not necessarily universal.       The interface differs from the interface between most notebook power adapter brands, which means that other brands of power adapters cannot be plugged into your laptop for power. The difference in interface is relatively safe, because at least you will not plug the power adapter that does not match the current or voltage to power the laptop, causing damage to the computer hardware. The voltage of different brands of laptop power adapter voltage is not the same, for example: IBM is generally 16V, Dell is 20V, Hp is 18.5V, Sony is 19.5V and so on. It can be seen that even if the power ada...

In the last decade, smartphones should be one of the fastest growing industries. Whether it is system or configuration, camera capability or unlocking solution, there has been a big breakthrough. The most powerful one is the fast charge technology, which has changed from 20W fast charge to 50W fast charge, and even developed a 100W super fast charge. But I don’t know if you have found out that the mobile phone battery itself does not seem to change, or the lithium battery used to have a bit of increase in capacity. Why is this? Large capacity battery is thick and heavy I don’t know if you have taken the battery of the electric car? Don’t look at it’s small size, but there are also dozens of pounds, and many girls can’t get it. Therefore, many manufacturers’ high-end flagship machines are not necessarily matched with large-capacity batteries. The first is to increase the thickness of the mobile phone. Secondly, it will be too heavy to affect the feel. Large capacity battery...

1. How to purchase  mobile phone accessories wholesale : The products of the accessories need to match the hot models of the communication store and the mainstream models used by the surrounding customers; the mobile phone accessories should introduce high-quality suppliers to ensure the quality of the products and the supply of the products; Usually the profit of mobile phone accessories for high-end mobile phone products will be very high, such as iPhone8, then you need products that match the product positioning. 2, How to price mobile phone accessories: 5 US dollars in the S9 protective shell, people who use S8 will definitely not choose, even in Amazon to buy a protective shell of 3-5 dollars. (The price of the S9 case in the store should be between $6-15) The price is reasonable, the price can’t be too low, but it can’t be too high. It is 2-3 times more expensive than the e-commerce channel. It is an acceptable pricing range. If it is higher, it will affect the sales v...