The different between import battery and domestic battery

 
Recently, due to a series of fire accident which caused by self balancing scooter, it seems that Amazon has begun to take actions: The company not only requires manufacturers to provide safety certificate, but remove some products off the shelf.
Battery explosion to Electric scooter, it depends on battery recipe which determines the safety of battery . Compare domestic battery to import battery , import batteries,  in the instant of the explosion, the temperature rises less than a thousand degrees while domestic battery rises to thousands of  in the unit time, the difference is significant. please notice the following photo about The difference between import battery( Samsung battery cells) and normal battery.