Battery and unmanned aerial vehicle comprising same

Disclosed is a battery (100), comprising a housing (11), an accommodation cavity (111) being provided in the housing (11), and a plurality of battery cells (13), the plurality of battery cells (13) being accommodated in the accommodation cavity (111) and being arranged in a stacked manner, wherein the plurality of battery cells (13) are provided at intervals so as to form a plurality of air channels (131); air guide holes (112) are also provided on a side of the housing (11); the air guide holes (112) are in communication with the air channels (131) for allowing an air flow outside the housing (11) to enter the accommodation cavity (111) through some of said air guide holes (112) for blowing towards the plurality of battery cells (13) and flowing through said air channels (131) and out of the other air guide holes (112), so as to take away the heat generated by the plurality of battery cells (13). The battery (100) can be used for an unmanned aerial vehicle (200).