Hitachi UC 24YJ, Technical Data And Service Manual

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Ni-MH 5˚C or less No power
40˚C or more No power
-5˚C to 50˚C
Ni-Cd -5˚C or less No power or half power
-5˚C to 55˚C
Ni-MH 5˚C or less Half power
40˚C or more Half power
5˚C to 40˚C No power or half power
Ni-Cd -5˚C to 55˚C No power or half power
Ni-MH -5˚C to 50˚C Full power
Ni-Cd -5˚C to 55˚C Full power
Charging time indicator lamp
Lights red continuously:
30 minutes until charging is completed.
Lights orange continuously:
20 minutes until charging is completed.
Lights green continuously:
5 minutes until charging is completed.
Lights red continuously.
(About 30 minutes until
charging is completed)
Lights orange continuously.
(About 20 minutes until
charging is completed)
Lamp indication
Battery type Battery temperature Battery status
Fig. 1 Charging time indication
Relationship between charging time indication and battery
4-1-3. Equipped with the battery revitalizing (trickle charging) function
Refer to "5-3-7. Revitalizing the battery (trickle charging)" on page 16 for details.
4-1-4. Capable of charging conventional 7.2 V to 24 V batteries
The Model UC 24YJ can charge conventional 7.2 V to 24 V batteries thanks to the charging controller.
Lights green continuously.
(About 5 minutes until
charging is completed)
Near the end of service life or inactive
due to extensive non-use periods
Near the end of service life or inactive
due to extensive non-use periods
* No power: The battery is dead and has no power.
Half power: The battery has half the full power.
Full power: The battery is almost in the fully charged status.