Unattended generator set battery heat dissipation assembly

The utility model provides a battery heat dissipation assembly of an unattended generator set. The oil tank containing cavity and the generator assembly containing cavity are communicated with each other. An air suction assembly is arranged in the generator assembly accommodating cavity; air convection can be formed between outside air and the oil tank containing cavity, heat dissipation of the battery in the oil tank containing cavity is taken away, meanwhile, the battery is arranged in the oil tank containing cavity, the upper layer space is not occupied, arrangement of the generator assembly and the electric control assembly is facilitated, and wiring of the battery, the generator assembly and the electric control assembly is also facilitated. The overflow cover is arranged and matchedwith the grid, and sand prevention and water prevention can be achieved; and the battery fastening assembly is arranged, so that the battery is convenient to fix, disassemble and install. 本实用新型提出了一种无人值守发电机组电池散热组件，通过将油箱容纳腔与发电机