1940's-1950's Battery Tester Hydrometer with Specific Gravity Float is designed for testing flooded lead-acid batteries, providing accurate readings for specific gravity levels. This tool helps in detecting bad cells within the battery, ensuring optimal performance and longevity. Perfect for automotive use, this product is a reliable and essential tool for maintaining battery health and preventing potential issues on the road. In very good condition (check pictures). This is a Automobile Collectible Accessory. BUY IT NOW.
