●DIRECTIONS 1. Be sure to flush tester two or three times to make certain that the balls are thoroughly wet. 2. Very carefully insert the tester into the cell to be checked and slowly draw battery fluid into the tester. 3. Gently tap the tube of the tester to release any air bubbles that might be trapped under the balls. 4. Hold the tester and watch for the balls to float. Refer to chart below for approximate amount of charge In your battery's individual cells.
