Patent ID: 7686644

Claim:
A battery connector comprising: an insulative housing having a substantially circular through opening therein; a periphery; a first surface; a second surface opposite to the first surface; a side surface adjacent to the first surface and the second surface; and a plurality of notches defined through the side surface, and each notch communicating with a first opening and a second opening respectively defined through the first surface and the second surface; a plurality of contact terminals mounted in the plurality of notches respectively, each contact terminal having a base portion being rectangular and flat and having a second contact portion; and a resilient portion being U-shaped, extending from the base portion and having a first contact portion; and a washer engaged in the periphery of the insulative housing and adjacent to the first surface of the insulative housing and adapted to tightly abut against a surface of a circuit board; wherein the insulative housing further comprises a plurality of positioning protrusions formed on the first surface and adjacent to the circular through opening.