Photovoltaic energy storage device convenient to maintain

The utility model discloses a photovoltaic energy storage device convenient to maintain, which relates to the technical field of photovoltaic energy storage devices and comprises a casing, foot columns are fixedly connected to four corners of the bottom end of the casing, mounting seats are fixedly connected to the bottom ends of the four foot columns, mounting holes are formed in the surfaces of the four mounting seats, maintenance ports are formed in the top ends of the two sides of the casing, and the maintenance ports are connected with the mounting seats. Two maintenance openings are formed in the machine shell, maintenance doors are hinged to one sides of the interiors of the two maintenance openings through two hinges, a metal ventilation plate is fixedly arranged in the machine shell, two storage battery assemblies are arranged at the top end of the metal ventilation plate, and a heat dissipation assembly is arranged at the bottom end of the interior of the machine shell. A worker can maintain the pho