Intelligent angled test probe set for Fluke BT520 Battery Analyzer (temperature measurement function not included) and Fluke BT521 Battery Analyzer (temperature measurement function included). The BTL20ANG has a built in LCD display, tri-light LED for pass/fail warning indication, voice count for battery ID and integrated save button. Comes with both long probe extenders for use in hard to reach battery cabinets. Angled probe tip allows for easier access to battery terminals inside deep cabinets. Coil connecting the positive and negative probes is out of the way, so there is no tangle and less of a chance for snagging onto obstacles. The BTL20ANG has a built-in LCD display on the handle, so there is no need to look at the instrument while taking a measurement. The SAVE button is conveniently located on the probe handles.