Makita DC24SA Instruction Manual page 4

Charging
• Your new battery cartridge is not charged. You will need to charge it before use. Use the high capacity battery
charger Model DC24SA to charge the battery cartridge.
• Plug the high capacity battery charger into the proper A/C voltage source. Two charging lights will flash in green color
repeatedley.
• 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.
• When the battery cartridge is inserted, the charging light color will change from green to red and charging will begin.
The charging light will remain lit steadily during charging.
• One red charging light indicates charged condition in 0 – 80% and two red ones indicates 80 – 100%.
• 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, BH9020A: approx. 20 minutes.
Battery B2417, BH1233, BH1433, BH2420, BH9033A: approx. 30 minutes.
Battery B2430, BH2433: approx. 60 minutes.
• If you leave the battery cartridge in the charger after the charging cycle is complete, the chager will switch into its
"trickle charge (maintenance charge)" mode which will last approximately 24 hours.
• After charging, unplug the charger from the power source.
Cooling system
• The 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 sometimes 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.
4
Battery cartridge
Terminal cover
Charging light