Brand: Romoss Model: Sense 4 Exclusive Online Edition Power Bank Dual output with 1 fast charging 2.1A port 10,400 mAh Lithium-Ion battery capacity Input: DC5V 2.1A Dual Output: 1.DC5V 1A & 2.DC5V 2.1A Power: 12W Max. Charging Time: 13 hrs ( 6.5 hrs if using Romoss AC12 iCharger 2.1A Adapter) While mobile gadgets have greatly improved over the years, batteries seem to have not kept up with the pace. Most devices may not even last a day, especially when used for activities that can deplete battery life faster. That is why many people today turn to portable chargers like the Romoss Sense 4 Power Bank 10400mAh (White) for battery life on the go. Brand Romoss SKU RO876EL0P1WD4NAFAMZ-140725 ports 2