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EZ Red battery hydrometers measure the specific gravity of a battery's electrolyte. Based on the specific gravity, the user can determine the state of charge of the battery—data which should be retained as part of any battery maintenance program. Product features: * Temperature-compensating * Obtain direct, accurate readings * Designed so that anyone can see the state of the battery acid * Wide range of 1.100 – 1.300 sg * Unbreakable, easy-to-read, economical * Used by battery manufacturers worldwide
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$8.99
OTC hydrometers display a battery's specific gravity on an easy-to-read float. The scale ranges from 1.100 to 1.300. The OTC thermometers indicate what must be added or subtracted from the float reading. The flexible tip offers easy access to the battery while you're still in the vehicle.
( 4 )
$17.99
Rapid testing--Performance Tool Deluxe battery testers provide an instant reading, warm or cold. These dial indicator-style testers will diagnose the life in 6 V, 12 V, and 24 V batteries.
( 1 )
$5.99
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