1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 182Get this manual

1995 Johnson/Evinrude Outboards 9.9, 15 four-stroke Service Manual, Page 182

3Capacity Test Satisfactory capacity tests can be made only when he battery electrolyte equals or exceeds 1.225 specific
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 vo ltage is 9.6 volts or higher at the end of 15 seconds, the battery has good output capacity& Safety