1. Cell capacity.The cell capacity marked by the merchant when selling mobile power supply is not consistent with the actual cell capacity, and there is the suspicion of selling unqualified products as qualified products.
2. Flammability of shell.Many mobile power supply cases on the market are made of plastic, which is a flammable and flammable material, which may cause safety risks.
3. Heavy impact.In life it is possible to move the power supply on the table fall, may cause the impact of the battery, the standard requires that the battery should not be affected by the impact of fire, not explosion.