18650 batteries powerbank is so popular

In this wave of smartphone market, application software is also very attractive. Bow family who work on the road holding a phone to pass the time, but the phone comes with a battery that is often unable to test. Then a troubled family to the bow, how to phone backup power, a lot of people will know the result in unison mobile power bank, but does not know when to buy a bad quality cottage mobile power bank not only can not help you a pleasant charge, as well as the chance become a bomb in your hands.
  mobile power bank structure is very simple, the most important are two aspects, the first one is the batteries, the other is the pcb board. The vast majority of the market with 18650 batteries such batteries. Many cottage mobile power bank batteries are used to this, so there is a wide range of issues. Why does my mobile power bank placed there did not use its power will slowly "run away" there is little resistance to high temperatures 18650 Such batteries are relatively poor, and in some high-temperature environments, will be in the hands of a bomb.
 Exmight suggest that you select a relatively high reputation in the purchase of mobile power bank charging treasure.card reader data cable charger car charger balance scooter power bank wholesale mobile power portable battery power mobile phone battery pack mobile power supply mobil power mobile battery pack