This Powerpack is just what you need if it wants customers to think of your brand whenever they need a charge! Measuring 3.5" x 0.875" x 0.875", this convenient portable charger features a 2200 mAh lithium-ion battery that comes with a full-color insert for you to show off your brand's logo and other information. It includes a standard USB connector and has a charge time of approximately six hours. It contains circuit breakers to prevent overheating and overcharging. CE and FCC approved. What better way to juice up your next promotional campaign?