The Automotive Battery Hydrometer Tester professionally gives accurate indications on battery charge status and battery condition. This tester is designed to test the concentration of the battery acid in non-sealed batteries. This tester provides precise readings for status of battery cells.

• Displays a battery's specific gravity on an easy-to-read float

• Thermometer indicates what must be added or subtracted from the float reading to arrive at an accurate specific gravity reading for each battery cell

• Flexible tip offers easy access to the battery cells while the battery is still in the vehicle