• 11 •
USING THE BUILT-IN BATTERY TESTER13.
OVERVIEW13.1
The charger has a built-in battery tester that displays either an accurate
battery voltage or an estimate of the battery’s relative charge (based on
the battery voltage and a scale set by the Battery Council International).
TESTING SEQUENCE13.2 : There are four basic steps required to use the
charger as a battery tester:
1. Connect the battery charger’s clamps to the battery. Be sure to follow
all of the precautions listed under sections 6 and 7.
2. Connect the charger’s power cord to a 120V AC outlet. Again, be sure
to follow all of the precautions listed under sections 6 and 7.
3. If necessary, press the BATTERY TYPE button until the correct type is
indicated.
4. Read the voltage on the digital meter or press the DISPLAY MODE
button to set the tester to BATTERY % and read the battery percent.
TESTER AND CHARGER13.3 : When rst turned on, the charger operates
only as a tester, not as a charger. To continue to use it as only a tester,
avoid pressing the BATTERY SIZE switch button. Selecting a charge rate
activates the battery charger and deactivates the tester.
POWER-UP IDLE TIME LIMIT13.4 : If no button is pressed within ten minutes
after the unit is rst powered up, the unit will automatically switch from
tester to charger, if a battery is connected. In that case, the unit will be set
for the 2A charge rate and STANDARD battery type.
TESTER WITHOUT TIME LIMIT13.5 : If either the DISPLAY MODE or BAT-
TERY TYPE button is pressed within the rst ten minutes after the unit is
powered up, the unit will remain a tester (not a charger) indenitely, unless
a charge rate is selected.
TESTING AFTER CHARGING13.6 : After the unit has been changed from
tester to charger (by selecting a charge rate), it remains a charger as long
as it has power. Disconnect and reconnect the power to change the unit
back to a tester.
TESTER STATUS LEDs13.7 : When the charger is operating as a battery
tester, the status LEDs light under the following conditions:
The CHARGED (green) LED will light if a fully charged battery is tested. •
The CHARGING (yellow) LED does not light in the battery test mode.•
The CONNECTED (red) LED will light if a battery is properly connected.•
When the tester DISPLAY MODE is set to VOLTAGE, the only • STATUS
LED that is on is the CONNECTED LED as long as a voltage greater
than one volt is detected.
INITIAL PERCENT CALCULATION13.8 : When a battery % is calculated for
the rst time after connecting a battery, the digital meter will show two
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