Battery Tester

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Professional quality, 8" long, heavy-gauge, acid-resistant glass filler tube with HD float indicator measures specific gravity of electrolytes in car battery to determine charge co ndition. Helps maintain proper battery pH levels to keep in good working condition. For use with 6 and 12 volt batteries. Easy-to-read calibrations show status of battery. BATTERY TESTERS ROAD POWER PREMIUM HYDROMETER Show more