Mobile power is our travel essential thing, otherwise it is too tough long journey, and mobile power so much, the market is also a wide range of mobile power cohabitation, so choose a correct and that the election is particularly buy genuine important, here we talk about how to choose the right mobile power. Let me simply say this to select the power: ① To guarantee to buy genuine, we must not be cheap, comprehensive comparison of the market price of each store, especially cheap is certainly false, so we try to reputable place purchase; ② mobile power capacity we have to choose a good, now mobile phones are basically 2200mAh-3000mAh or so, so I suggest that you try to buy more than 7200mAh mobile power; ③ mobile power indicators we do not have overlooked, and that is the theory conversion rate, although this is not necessarily accurate, all we can search the Internet we see mobile power is how the conversion rate, and then decide to buy; ④ mobile power quality, we try to choose the big brands, good reputation, this when we can refer to the above chart, which is discharged from the market for everyone, is a certain persuasive.