Patent ID: 8257854

Claim:
An electronic device, comprising a battery box receiving two batteries for providing power, the battery box comprising: a holding base, defining two neighboring receiving rooms and a sliding groove, the batteries received in the receiving rooms via passing over the sliding groove; and a slidable block, slidably installed in the sliding groove to prevent the batteries from being dislocated in the receiving rooms, the slidable block comprising a retaining shoulder, a positioning portion, a stopper plate and a tab, the positioning portion protruding from the retaining shoulder toward the sliding groove, the stopper plate and the tab protruding from the retaining shoulder and extending away from the positioning portion, the positioning portion received in and matching with the sliding groove, the retaining shoulder positioned on one edge of the sliding groove, the stopper plate perpendicular to the retaining shoulder and used to stop the batteries from moving from the receiving rooms, the tab connected between the stopper plate and the retaining shoulder to improve strength of the stopper plate; wherein the positioning portion comprises a plurality of hooks configured on a free end of the positioning portion to hook the other edge of the sliding groove.