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Old 09-29-2014, 06:38 PM   #1
 
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Default Voltage amps in starter charging system test
Got a new battery today. They have a tester thing they hooked up to my car, gives numbers for battery, starter and charging system. Anybody know what are good numbers?

Battery has 12.51 volts, I know 12 is good. What about cold cranking amps? Says rated 550, measured 635.

Starter has 11.58v, 0 amps.

Charging sysyem has 13.88v and 13.97v, no load and loaded. Ripple is 26mV.

Anybody know the significance of those numbers?
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