Patent ID: 8420246

Claim:
An electronic device comprising: a housing; a battery holder formed in the housing for placing at least one battery, and comprising two symmetrical inner walls, each symmetrical inner wall defining an axle hole; a battery cover configured to cover or uncover the battery holder; a fixing element comprising a base member slidably connected to the battery cover and at least one conductive elastic element formed at the base member, the fixing element defining two axle holes at one end of the base member, and the at least one conductive elastic element being connected to an electrode of the at least one battery; and an axle passing through the axle holes of the battery holder and being directly connected to the battery holder, the axle further passing through the axle holes of the fixing element to rotatably connect the fixing element to the battery holder; wherein when the battery cover covers the battery holder, each conductive elastic element contacts the electrode of one of the at least one battery placed in the battery holder, and the battery cover is locked to the battery holder; when the battery cover is to uncover the battery holder, a force applied to the battery cover makes the battery cover slide along the fixing element to unlock the battery cover from the battery holder.