Large-capacity mobile power also sell cheap? Which must be something wrong

The rise of smart devices so that consumers have become "looking down Party", "Photo party ", no matter where, always like to look out cell phone or slap, will not speak of this habit is good or bad, from itself consider, these require electricity to support. As a smart phone with the new darling of the power bank bank needs of people came to market, but mixed, there is also a number of low-quality branded power bank products, has led to numerous power bankexplosion shocking.

Now look at the buying habits of consumers, prefer to buy power bankTaobao, Taobao I understand that as much as the nominal 20,000 mA power bank when the price of only two dozen dollars, so it is inevitable people doubt, it is really so low cost mobile power do? After that, I consulted the industry veteran learned that the so-called low-cost high-capacity power bankmost of them are hand-made using the batteries, and the internal circuit board is not designed to protect any security facilities, and, regardless of whether it to achieve 20000 mA capacity, first to put security issues in front of us, any reasons you have buy them?

Large capacity Power bank also sell cheap? Which must be something wrong.