Patent ID: 7824799
Filing Date: 2010-11-02
Classification: H01M,Y02E

Abstract:
1. A battery apparatus having a case having a width, a thickness and a length; a battery cell disposed at the inside of said case; and a battery-side terminal disposed at a surface of said case and connected to a chargeable battery section, said battery apparatus comprising: three or more engaging pieces at portions on both sides in a width direction of said case which extend in said length direction while projecting outwardly in said width direction, said three or more engaging pieces configured to engage engaging claws of a battery mounting section of an electronic device and position said case at a position in a thickness direction of said case at said battery mounting section, said three or more engaging pieces disposed at spaced intervals in a length direction; and a convex portion projecting in the length direction from an end surface of the case and extending in the width direction along the end surface of the case, the convex portion disposed at a distance in the thickness direction from the battery-side terminal, the convex portion being located on a same end surface of the case as the battery-side terminal and extending in the width direction of the case a distance greater than a distance that the battery-side terminal extends in the width direction of case, and the convex portion projecting in the length direction away from an outermost end surface of the case a distance greater than a distance any other portion of the battery apparatus extends in the length direction.