This Mini Portable Power Bank is very Convenient and Lightweight, charging will not increase your trouble at all, plug and play. There are three output ports to choose from Android, Type-C, and phone Over-temperature protection: When the charging temperature is higher than 60 degrees, automatically stop charging for 1 minute, and recharge after the temperature drops. Over-current protection: When charging, the output current is greater than 1.5A, which automatically stops charging and prevents damage to the charger. Mini is small and easy to carry. It can be put in your bag or backpack. It's suitable for promotional gifts