Quote:
Originally Posted by patrolman pete
Voltage doesn't crank an engine , you need amps . When I test batteries at work , we measure available amps against the rated amps of the battery eg ( 540 amps EN) using a midtronics battery tester. A typical end of live battery may only have 1/4 of it's rated power but can be showing 12.4 volts. that'll put your lights on but won't crank your engine.
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Disconnected from the charger, sat in the garage its now at 12.66 volts.... Can the amps be checked with a multimeter??