Yes very usefulmwhen not near a power point such as driving or camping
Provides the most powerful output in 13000mAh power banks.
Two inputs shorten the recharging time to merely 3.5 hours which is 2X faster than regular chargers.
Two powerful outputs deliver the fast charging up to 2.4A per port or 4.8A overall. While the smart technology can auto detect and charge your device as it requires.
A portable charger packs super capacity. It provides 4 charges to an iPhone 7, 2.5 times for a Galaxy S7, or once for an iPad Air 2.