Multiple output options including dual USB ports and a TypeC port allow charging of different devices at the same time, making this charging box an essential accessory for modern mobile lifestyles. Power management with the 16x18650 Battery Case (batteries NOT included) provides charging capabilities to replenish energy when you need it. Designed for adventure and onthego use, the strength shell delivers impact resistance to safeguard internal components during travel and outdoor activities. This case ensures compatibility with a range of devices and charging needs. Practical features at a glance: Function: portable power management and multioutput charging Compatibility: supports devices using USB and TypeC charging Size and capacity: designed for 16x18650 cells (batteries not included) Material: strength shell for durability Performance: reliable energy replenishment on the move Use scenarios: Daily commute and work: keep smartphones, tablets, and USBC devices charged during travel and in the office Outdoor adventures: hike or camp with a robust power solution that protects the internal components in rugged conditions Suitable for users who require compatibility across various devices