Direct-current household power utilization system

The invention discloses a direct-current household power utilization system which comprises a power generation module, a power storage module and a power supply module. The power generation module comprises a solar power generation device and a charging module electrically connected with the solar power generation device and used for supplying power to the power storage module; the power storage module comprises a plurality of groups of replaceable battery packs; wherein the replaceable battery pack and the power supply module are used for supplying power to household appliances; wherein the replaceable battery pack and the power supply module are mutually staggered to supply power to an electric appliance. 本发明公开了一种直流家庭用电系统，包括发电模块、储电模块、供电模块；发电模块包括太阳能发电装置、与太阳能发电装置电联接用于对储电模块进行供电的充电模块；所述储电模块包括多组替换电池组；其中，所述替换电池组和所述供电模块用于对家庭电器进行供电；其中，所述替换电池组和所述供电模块相互交错对电器供电。