A battery connector, for being mounted to a printed circuit board, includes an insulating housing defining a front surface, a rear surface and a mounting surface. The front surface has a plurality of contact receiving cavities spaced from one another. An upper partition formed in the contact receiving cavity. A plurality of contacts is received in the contact receiving cavities respectively. Each of the contacts has a contact portion of substantially big rectangular block shape, a soldering portion, and a connecting portion having two ends connected with a lower edge of the rear end of the contact portion and a top edge of the soldering portion. The contact has an upper notch receiving and clamping the upper partition. The soldering portion has two opposite ends substantially flush with that of the contact portion.