1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 291Get this manual

1994 Johnson/Evinrude "ER" 9.9 thru 30 outboards Service Manual, Page 291

3Capacity Test Satisfactory capacity tests can be made only when the battery electrolyte equals or exceeds 1.225 specific
the voltage is 9.6 volts or higher at the end of 15 seconds, the battery has good output capacitybFixed Resistance Tester
This equipment has built-in load for high-rate discharge testingFollow equipment manufacturer's instructions regarding test
period and meter readingscEngine Load for Resistance Twist and remove the spark plug leadsConnect voltmeter across the batteryCrank
engine for 15 secondsIf voltage is 9.6 volts or higher at the end of 15 seconds, the battery has good output capacity& Safety