The present invention discloses a low voltage battery protector, interposed between a battery and a cable connected thereto, including: a main body having an upper end, a lower end substantially opposite to the upper end, and a frame connecting the upper end to the lower end. The frame further includes a mounting surface. The protector incudes a first contact extending from the top end; a supporting portion extending substantially perpendicularly from the mounting surface; a second contact assembled with the supporting portion. The second contact includes a connecting portion pivotally assembled with the supporting portion. Such a low voltage battery protector provides the user with great flexibility and convenience to choose an adaptive position to mount the protector, and provides the user with more space to mount the protector.