Load Test
- Connect voltmeter (1) and battery load tester (2) across battery (3) terminals. See Fig 1.
- Apply 190 ampere load for 15 seconds to remove surface charge.
- Remove the load and wait 15 seconds to let battery recover.
- Apply 190 ampere load. Read voltage after 15 seconds.
- Remove the load.
- The voltage does not drop below the minimum as listed in the figure.
- Battery is good.
- The voltage drops below the minimum as listed in the figure.
- Replace the battery.
- The voltage does not drop below the minimum as listed in the figure.