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CAUTION:
• Use a power source with the voltage specified on the nameplate of the charger.
• Do not charge the battery cartridge in a location exposed to direct sunlight.
• Do not charge the battery cartridge in presence of flammable liquids or gases.
• Charge the battery cartridge with room temperature at 10°C – 40°C (50°F – 104°F).
• Never carry charger by cord or yank it to disconnect from receptacle.
• Do not expose charger to rain or snow.
• Non-rechargeable batteries cannot be charged with this battery charger.
• Do not attempt to use a step-up transformer, an engine generator or DC power receptacle.
• Do not allow anything to cover or clog the charger vents.
• After charging, unplug the charger from the power source.
• Do not disassemble charger.
• The battery charger is not intended for use by young children or infirm persons without supervision.
• Young children should be supervised to ensure that they do not play with the battery charger.
Charging
1.
Plug the battery charger into your power source. Two charging lights will flash in green color repeatedly.
2.
Insert the battery cartridge into charger until it stops adjusting to the guide of charger. Terminal cover of charger
can be opened with inserting and closed with pulling out the battery cartridge.
3.
When the battery cartridge is inserted, the charging light color will change from green to red and charging will
begin. The charging light will keep lighting up lit steadily during charging.
One red charging light indicates charged condition in 0 – 80% and two red ones indicates 80 – 100%.
4.
With finish of charge, the charging lights will change from two red ones to two green ones.
The charging time is as follows:
Battery B9017A, BH1220, BH1420, BH9020, BH9020A: approx. 20 minutes.
Battery BH1427: approx. 25 minutes.
Battery B2417, BH1233, BH1433, BH2420, BH9033, BH9033A: approx. 30 minutes.
Battery B2430, BH2433: approx. 60 minutes.
5.
If you leave the battery cartridge in the charger after the charging cycle is complete, the charger will switch into its
"trickle charge (maintenance charge)" mode which will last approximately 24 hours.
6.
After charging, unplug the charger from the power source.
Cooling system
• This charger is equipped with cooling fan for heated battery in order to enable the battery to prove its own perfor-
mance. Sound of cooling air comes out during cooling, which means no trouble on the charger.
• Yellow light will flash for warning in the following cases.
– Trouble on cooling fan
– Incomplete cool down of battery, such as, being clogged with dust
The battery can be charged in spite of the yellow warning light. But the charging time will be longer than usual in this
case.
Check the sound of cooling fan, vent on the charger and battery, which can be sometime clogged with dust.
• The cooling system is in order although no sound of cooling fan comes out, if the yellow warning light will not flash.
• Always keep clean the vent on charger and battery for cooling.
• The products should be sent to repair or maintenance, if the yellow warning light will frequently flash.
Conditioning charge
Conditioning charge can extend the life of battery by automatically searching the optimum charging condition for the
batteries in every situation.
The battery employed in the following conditions repeatedly requires "conditioning charge" to prevent fast wear out. In
that case, yellow light lights up.
1.
Recharge of battery with its high temperature
2.
Recharge of battery with its low temperature
3.
Recharge of full charged battery
4.
Over-discharge of battery (continue to discharge battery in spite of down of power.)
The charging time of such battery is longer than usual.
Trickle charge (Maintenance charge)
If you leave the battery cartridge in the charger to prevent spontaneous discharging after full charge, the charger will
switch into its "trickle charge (maintenance charge)" mode and keep the battery cartridge fresh and fully charged.
Tips for maintaining maximum battery life
1.
Charge the battery cartridge before completely discharged.
Always stop tool operation and charge the battery cartridge when you notice less tool power.
2.
Never recharge a fully charged battery cartridge.
Overcharging shortens the battery service life.
3.
Charge the battery cartridge with room temperature at 10°C – 40°C (50°F – 104°F).
Let a hot battery cartridge cool down before charging it.
4
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