Portable fan with detachable storage battery

A portable fan with a detachable storage battery comprises a fan body, a rear machine shell is installed on the back of the fan body through a connecting plate, a connecting base is arranged on the end face of the rear machine shell, the storage battery is matched with the connecting base through a butt joint base, and detachable connection of the storage battery is achieved. The connecting base comprises a V-shaped butt joint groove, the outer end face of the butt joint groove is covered with a front baffle, and an electrode contact is arranged in the V-shaped butt joint groove. The butt-joint seat comprises a V-shaped butt-joint block arranged on a side plate of the storage battery, and the storage battery is inserted into the V-shaped butt-joint groove through the V-shaped butt-joint block and is in butt joint with the V-shaped butt-joint groove; a locking groove is further formed in the connecting base, and correspondingly, a locking buckle is arranged on the storage battery and buckled with the locking g