An electrostatic sprayer device, comprising: a housing; an electrostatic module coupled to the housing; a reservoir having a cavity adapted to contain a fluid; at least one nozzle fluidly connected to the reservoir, the nozzle being configured to emit fluid in a direction along a flow pathway; a pump configured to propel fluid from the reservoir to the at least one nozzle wherein the pump is configured to pull a vacuum in the housing to cause fluid to flow from the reservoir to the at least one nozzle; a direct current battery configured to power at least one of the electrostatic module and the pump; an electrode assembly configured to electrostatically charge the fluid; characterised by a nozzle assembly comprising a nozzle housing, a rotatable component received within the nozzle housing; and three nozzles coupled to the rotatable component such that the nozzles are positioned on the nozzle housing, the three nozzles being fluidly connected to the reservoir, the nozzle assembly configured to, via rotation of the rotatable component and alignment of one of the nozzles with an outlet of the nozzle assembly, enable user selection of a specified flow pattern for the electrostatically charged at least portion of the fluid during the dispensing thereof in a direction along the flow pathway to the exterior of the electrostatic sprayer apparatus, wherein the nozzle housing and the nozzles are removable from the housing; a tool configured to remove the nozzle housing, wherein the three nozzles are movable so that a user can selectively couple a desired nozzle to the reservoir, and wherein the tool can also move the nozzles, wherein an opening in the exterior face of the nozzle assembly is configured to receive a nozzle tool, the opening defined by an interior surface of an outer ring of the nozzle assembly. a housing; an electrostatic module coupled to the housing; a reservoir having a cavity adapted to contain a fluid; at least one nozzle fluidly connected to the reservoir, the nozzle being configured to emit fluid in a direction along a flow pathway; a pump configured to propel fluid from the reservoir to the at least one nozzle wherein the pump is configured to pull a vacuum in the housing to cause fluid to flow from the reservoir to the at least one nozzle; a direct current battery configured to power at least one of the electrostatic module and the pump; an electrode assembly configured to electrostatically charge the fluid; characterised by a nozzle assembly comprising a nozzle housing, a rotatable component received within the nozzle housing; and three nozzles coupled to the rotatable component such that the nozzles are positioned on the nozzle housing, the three nozzles being fluidly connected to the reservoir, the nozzle assembly configured to, via rotation of the rotatable component and alignment of one of the nozzles with an outlet of the nozzle assembly, enable user selection of a specified flow pattern for the electrostatically charged at least portion of the fluid during the dispensing thereof in a direction along the flow pathway to the exterior of the electrostatic sprayer apparatus, wherein the nozzle housing and the nozzles are removable from the housing; a tool configured to remove the nozzle housing, wherein the three nozzles are movable so that a user can selectively couple a desired nozzle to the reservoir, and wherein the tool can also move the nozzles, wherein an opening in the exterior face of the nozzle assembly is configured to receive a nozzle tool, the opening defined by an interior surface of an outer ring of the nozzle assembly.