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  • Allows the user to track battery voltage
  • Primary use is determining when to recharge a battery in a total loss application; commonly found in drag racing
  • When the green light is on, the battery is fully charged; when the amber light is on, there is still sufficient voltage to operate the ignition and other accessories; when the red light is on, the battery should be charged as soon as possible
  • Measures 15/8" L x 11/8" W x 1/2" H
  • Made in the U.S.A.