Which brand of mobile power is good? How to choose mobile power?
Due to the popularity of mobile power, the brand of mobile power in the market can be described as dazzling. Different brands of mobile power have different differences in quality and function. Which brand of mobile power is good? How do we buy mobile power?
There are already many brands of mobile power on the market, but everyone is concerned about brand, portability, form factor and battery capacity, but they don't really consider the performance of the mobile power itself, such as whether the capacity has a virtual standard or not. And the material used, whether there is overload protection, whether the power control system is perfect, and the conversion rate is higher than 80%. These are worth thinking about. Which brand of mobile power is good? How to choose a good mobile power supply, it comes down to five aspects:
1, convenient and practical: light and compact, easy to carry, to achieve power anytime, anywhere, this is also the most basic properties of mobile power
2, safe and reliable: whether it can display the power intelligently, no-load automatic identification shutdown, short circuit, over charge, over discharge, constant current, constant voltage protection. Ensure mobile power is safe.
3, the technology is too hard: the first push mobile power lithium polymer battery, followed by lithium-ion batteries, there are many mobile power supplies on the market that are free to open a lithium-ion battery cell, we can see it used The battery is definitely a 18650 steel case lithium battery. 18650 means that the battery has a diameter of 18 mm and a length of 65 mm.
18650 uses lithium cobalt oxide as the positive electrode material, the single-section nominal voltage is 3.7V, the charging voltage is 4.2V, and the capacity is above 1000mAh. This is also the lithium battery model used in laptop batteries. On the Internet, I saw a black-hearted manufacturer repackaging the batteries on the used laptop batteries for use on the new mobile power supply. From the outside, it is not good or bad to see the batteries. This is one of the reasons why I don't recommend lithium-ion batteries as the mobile power source for batteries. In the case of such a product, even the industry will also look away.
4, efficient use: battery standard capacity and the actual charging of mobile phones and digital devices, is not 100%, the most important role in the mobile power conversion rate is the "mobile power protection board", so if a mobile The power circuit's PCB board uses better workmanship and design, and the battery cells used are also excellent, and have a solid protection circuit, so the quality of this mobile power supply is guaranteed. I believe that a qualified mobile power conversion efficiency should be at least 80%.
5, the appearance is novel: I believe that most people choose to look at any shape in any product.
When you buy a mobile power supply, you must pay more attention to the above five points!
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