HB600-24B CHARGER MANUAL 06JAN2009
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charged the 50%, 75% and 100% LEDs are on. Charging time is dependent on depth
of battery discharge, battery condition, and temperature.
5) If the charger is left plugged in after charging is complete (all LEDs on) the charger goes
into maintenance mode to keep batteries charged while in storage. The charger
continuously measures battery voltage and restarts the charging cycle if the battery
voltage drops below about 25V. This keeps batteries charged while in storage but does
not boil-out the electrolyte over time.
6) Turn-off charger by unplugging (disconnect from AC voltage).
Charging State & LED Display
Note: X is the table means “don’t care”, LED may be off, blinking, or on.
Technical Operation Summary – The charger is an advanced, microprocessor controlled, high
frequency switching type charger. From 0% to 75% a constant current is provided to the
battery (bulk charging) until a pre-set battery voltage is reached. From 75% to 100% a
constant voltage is maintained and the charging current decreases (absorption charging).
When the charging current falls below 2 to 3A charging is complete. The charging curve is
temperature compensated using the starting temperature of the charger as the battery
temperature.
The charger will work even with batteries in a severe discharge state with terminal voltages as
low as 1V and there is no need to ‘boost charge” weak batteries before charging. The charger
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