Note: The storage period of the battery shall be at least 12 months, and the discharge index of the battery during the storage period shall be 90% of the average discharge time in the initial period Battery leakage resistance: ① 60 ℃, RH90%, no leakage after 20 days of storage
② 70 ℃, no leakage after 25 days of high temperature storage Battery safety performance: ① Three charge and one test without explosion
② External short circuit test: no explosion Battery storage period: It can be stored for three years at room temperature