Ravpower iSmart 2.0 Power Bank 6700mAh - Black

Can save half of the time to fully charge the 6700mAh portable charger ( please use a 2A or higher output charger); 2.4A output makes it charge other devices 2X faster than other chargers. The maximum input and output for the fastest and strongest charging experience. Charge faster and smarter than others, automatically detects and delivers the optimal charging current for any connected device- ensuring the fastest and most efficient charge.