With the advent of the era of mobile intelligent, cell phone, tablets, citizens can't from the hand of essential equipment. Arises at the historic moment of mobile portable power supply has become a lot of citizens in the hands of "convenience" gas station, but mobile power suddenly explode or smoking event is not in the minority. On August 1st, the first domestic mobile power was formally implemented a country compulsive standard, the release of new gb lithium ion battery, contains more than 30 data index, among them, the battery test project safety work parameters, identify requirements, in addition to containing the warning message, durability, such as general safety requirements, also contains a battery test, electrical safety test environment and protect circuit and other systemic tests. To a certain extent to ensure the security of mobile power supply is reliable.