Market application of lithium battery has opened for so many years, however, with a very good development situation of the industry, consumers have constantly encountered problems during the process of using, and the biggest problem is the problem existing in the battery application of safety, as it may casually bring a potentially dangerous self-burning for you if improperly used. Many unsuspecting people think that it is caused by the inferior battery produced from the irresponsible manufacturers, however, 70% causes of the lithium battery fire is related to the charging behavior of users rather than manufacturer's product quality in fact, and the best illustration of consumers' charging behaviors is charger. Referring to charger, many people may be in doubt what influence does charger have on the fire of battery? In fact, it has a great influence. There are so many battery brands in the market nowadays, similarly, a lot of retail locations selling chargers with good and band quality products mixed together. However, most of users only choose the cheap one without considering other factors when they buy charger, and therefore, the charger brought is commonly low quality or inapplicable.