The utility model discloses a portable battery charging outfit for charge to the consumer, a serial communication port, include: the frame includes the under( -)chassis and fixes the main body frame on the under( -)chassis, fill electric gun for link to each other with the transmission electric energy with the interface that charges of battery charging outfit, power device, including transaxle andthe wheel of a plurality of setting on the under( -)chassis, the transaxle is used for controlling the rotation of wheel, be fixed in the energy memory in the frame, including at least one battery box, every battery box is used for the storage and provides the electric energy, be fixed in the energy conversion device in the frame for utilize electric energy that energy memory provided to the consumer charge -discharge, and be fixed in the communication device in the frame, including identity identification module and transport module, identity identification module is used for providing portable battery charging outfit's identity information, transport module be used for and remote control terminal between transmission identity information and data message, the data message is used for signifying energy memory and/or energy conversion device's state at least.