Portable Auxiliary Battery Apparatus and Energy Conversion Method for Electric Vehicles using Solar Power and Commercial Power

摘要

The present invention relates to a portable auxiliary battery apparatus for an electric vehicle capable of charging anytime and anywhere through a commercial power source and a solar panel. The portable auxiliary battery apparatus for an electric vehicle comprises: an auxiliary battery for the electric vehicle (400); a circuit charging and discharging auxiliary battery for the electric vehicle (300); a first connection terminal of a solar cell module (501); a solar cell module (500); and a connection terminal (101) of the commercial power source.