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CHK
ADJ
CHECKING THE BATTERY
Charging method using a constant voltage charger
Measure the open-circuit
voltage prior to charging.
Connect a charger and
ammeter to the battery and
start charging.
NO
YES
Is the amperage higher
than the standard charging
amperage written on the
battery?
Charge the battery until the charging
voltage reaches 15 V.
Leave the battery unused for more than 30
minutes before measuring its open-circuit
voltage.
12.8 V
→ Charging is complete.
12.0 ~ 12.7 V
→ Recharging is required.
Under 12.0 V
→ Replace the battery.
This type of battery charger cannot
charge an MF battery. A variable
voltage charger is recommended.
Leave the battery unused for
more than 30 minutes before
measuring its open-circuit voltage.
NOTE:
Set the charging time to a
maximum of 20 hours.
NOTE:
Constant amperage chargers are
not suitable for charging MF
batteries.
CAUTION:
Charger
Ammeter
Voltmeter