Patent ID: 8877368

Claim:
A thin battery, comprising: a base plate, having a first side, a second side, a third side, and a fourth side, wherein the first side is opposite the third side, and the second side is opposite the fourth side; a first flange, connected to the first side and protruding from a surface of the base plate; a second flange, connected to the second side, protruding from the surface of the base plate, and comprising a first clamp portion; a third flange, connected to the fourth side, protruding from the surface of the base plate, and comprising a second clamp portion; a cover plate, connected to the third side in a bendable manner, wherein two ends of the cover plate respectively have a first clamp member and a second clamp member that are separately clamped at the first clamp portion and the second clamp portion; an opening is provided between the cover plate and the base plate; at least one positioning block, disposed on a surface of the first flange; a battery cell, comprising a top sealing area, wherein the top sealing area has at least one via hole that is correspondingly connected to the positioning block; a circuit board, disposed between the top sealing area and the base plate, and connected electrically to the battery cell; and an electric connector, disposed between the base plate and the top sealing area and exposed from the opening, wherein the electric connector is connected electrically to the circuit board, so as to supply power to the battery cell.