An outlet assembly with a portable charger including a power strip and a portable charger is disclosed. The power strip has a main body and a first power output interface. The main body has at least one power socket, and the first power output interface is located on the main body for supplying an AC power. The portable charger includes a power input interface and a second power output interface located on a casing. An AC to DC converting circuit and a power storage unit are located inside the casing. The power input interface may be fitted to the first power output interface, and the AC to DC converting circuit converts the AC power into DC to recharge the power storage unit. The portable charger may be used independently to provide the from the power storage unit through the second power output interface.