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Have you really bought the right power bank?
5G, 100 million pixels, 2K screen, 120Hz refresh rate, etc. are all the more power consuming features on smartphones.
5G, 100 million pixels, 2K screen, 120Hz refresh rate, etc. are all the more power consuming features on smartphones. Obviously, a 2000mAh battery is no longer sufficient to meet the daily needs of users. At present, there are two methods to improve the battery life of mobile phones: one is to increase the output power of the charging head; Another approach is to increase the capacity of the battery.
However, these two methods are not perfect. Because whether it is wired or wireless fast charging, it must be plugged in for normal use. Simply increasing battery capacity will only make the phone heavier. So, mobile power banks (commonly known as power banks) have emerged.
So, how should one choose a power bank? Xiaolei believes that when choosing a power bank, one should consider four aspects: battery cell and battery capacity, protective power, compatibility with fast charging, and portability.
Firstly, for power banks, safety always comes first. The safety of a power bank mainly depends on the battery cells. At present, power bank batteries are divided into two types: 18650 batteries and lithium-ion polymer batteries. The difference between these two types of batteries is that the former has better resistance to puncture and deformation, while the latter is less safe than 18650 batteries.
Secondly, the capacity of the battery cell determines the duration of use of the power bank. But is the larger the capacity of the power bank, the better? That's not necessarily the case, because some places restrict users from carrying large capacity power banks, and excessive capacity may prevent them from taking transportation such as airplanes and high-speed trains. So, Xiaolei recommends a power bank with a capacity of 10000-20000mAh.
Furthermore, the purpose of protecting the circuit is to further ensure the safety of the power bank. Usually, power banks with protective circuits are more expensive than those without protective circuits. In addition, some power bank brands will make protecting the circuit a key focus of promotion, and the official introduction interface usually has a dedicated promotional poster. So, everyone knows the answer at a glance.
In addition, the fast charging protocols compatible with different brands and models of mobile phones may also vary. Therefore, compatibility with fast charging for mobile phones has become one of the important selling points of power banks. Currently, fast charging protocols compatible with third-party power banks include PD, QC, AFC, etc. In fact, as long as a power bank is compatible with PD and QC, it can already meet the fast charging needs of many mobile phones.
Finally, the power bank should be mobile, as mobility means portability. If a power bank is made too large, it may cause inconvenience to users.
So, choosing a power bank that suits oneself is not easy. To avoid blind consumption, Xiaolei will recommend four mobile power banks today, focusing on the two points of "portability+fast charging".
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