May be charged.
As long as the voltage is constant, the charging time will be two-fifths longer.
Choose a charger of corresponding size according to the capacity of the lithium battery. Generally, a 5A charger charges faster than a 3A charger. The charging power of a 5A charger is also higher than that of a 3A charger, but the corresponding burn degree is slightly higher than that of a 3A charger.