However, because consumers don't know much about power industry, their buying tends to only look at the capacity and price of the power bank, leading to many dangerous mobile powers entering into market. What brands supply mobile power of best quality? Which brand is a good external battery brand for cell phones? What are the mobile power prices? Here those questions will be analyzed.
First, how to buy mobile power? Which brands are good brands for mobile power?
Usually on business, tourism, in order to avoid out of electricity, mobile power has become a popular portable necessity in life. There are big brands of external battery appearing on the market. Many consumers will consider power conversion rate, life of the mobile power and how to distinguish fake products when purchasing. Several focuses when purchasing are as follows:
1. Select famous brands and focus on protection function. A high quality mobile power supply should be of load self-checking, overload protection, short circuit protection, insulation protection functions; mobile power well-known brands is the first step of guarantee.<br/>
2. Focus on the power conversion rate, and it is enough to choose a product that suits your devices. Don't be greedy for high voltage and low price because usually power banks with low prices but many features will be easy to cause problems, voltage instability or even explosions. Select mobile power capacity according to the device power consumption. In general, power bank 5000mAH to 10000mAh can charge the smart phones for 5 to 6 times, or tablets about 2 or 3 times. It is recommended to select power banks with above 70% conversion rate.<br/>
3. Purchase universal type products, because universal mobile power is generally equipped with more than 4 adaptors, applying any charging models. To charge the tablets or laptops, select mobile power supply with current of 2A.<br/>
Second, how much does a portable external battery cost?
It depends on what capacity the mobile power is of, and also what mobile power batteries are made of. On the Internet, many people say that 10000mAH to 20000mAH external batteries are sold on 7 to 8 dollars. But it is understood that this kind of mobile power batteries are 18650 batteries, and second hand batteries, without security assurance, but false capacity. So their price is low. It is suggested that consumers don't focus too much on prices. Generally good products cost 14 to 70 dollars. It is more important to focus on brand credibility and buyers recommendation of the mobile power to measure which brands are worthy buying.
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