USING A DIGITAL BATTERY TESTER ON A BATTERY WITH STUD POSTS
When using a digital tester on any battery that has threaded stud posts always connect the clamps of your digital tester to the lead pad at the base of the post. This will prevent false/inaccurate readings.
Below we are testing a new Optima D31T (NSN 6140-01-457-5469) using a common digital conductance tester found in the Army SATS and in maintenance shops of the other military services. When the tester is connected to the threaded posts it incorrectly reads 115 CCAs and “REPLACE BATTERY”. However, when connected to the lead pad the same battery reads 1,240 CCAs and “GOOD BATTERY”. [Read more…]