Convenient and affordable battery tester. Works on various types of batteries, including lead-acid batteries. Works on all 6-12-24 volt systems. Our high-quality digital hydrometer functions in both hot or cold weather, and can accurately test battery life. You will also be able to help extend battery life and detect overcharging. Professionally Designed with a clear scale dial that you can easily read. Determine state of battery charge Determine Specific Gravity Easy to read pointer for accuracy Small, compact design for use in hard to reach places Used by battery manufacturers for on-line testing battery hydrometers Understanding Specific Gravity Measuring the specific gravity of a battery's electrolyte using a hydrometer is essential for determining the state of charge and health of each cell. Specific gravity readings are crucial for assessing the state of charge and health of each cell in a battery.
