3-40
Charging method using a constant voltage charger
Note:
Leave the battery unused for more than 30 minutes
before measuring its open-circuit voltage.
Measure the open-circuit voltage
prior to charging.
Connect a charger and ammeter to
the battery and start charging.
Is the amperage higher than the
standard charging amperage
written on the battery?
Charge the battery until the
charging voltage reaches 15 V.
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.
12.8 V → Charging is complete.
12.0 ~ 12.7 V → Recharging is required.
Under 12.0 V → Replace the battery
YES
NO
Note:
Set the charging time to a
maximum of 20 hours.
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