Text From Manual (Computer Extracted)
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ECHNICAL INFORMATION PRODUCT T P 1 / 3 DC1822 Model No . Description Automotive charger W CONCEPT AND MAIN APPLICATIONS Both Ni - Cd and Ni - MH batteries from 7.2V to 18V can be H charged with DC1822 connected with the automobile's socket for cigarette lighter . L Dimensions : mm ( " ) Length ( L ) 201 ( 7 - 15 / 16 ) 105 ( 4 - 1 / 8 ) Width ( W ) Height ( H ) 78 ( 3 - 1 / 16 ) Specification Continuous Rating ( W ) Voltage ( V ) Cycle ( Hz ) Max . Output ( W ) Current ( A ) Input Output DC12 75 DC12 - 24 75 14.4 18 9.6 Output voltage : V 12 7.2 Output current : A 2.6 for 1.3Ah Ni - Cd . battery 7.2 V - 14.4V Approx . 30 18V Approx . 60 for 2.0Ah Ni - Cd . battery 7.2 V - 14.4V Approx . 45 Charging 18V Approx . 65 7.2 V - 14.4V Approx . 50 for 2.2Ah Ni - MH . battery time : min . 7.2 V - 14.4V Approx . 60 18V Approx . 75 for 2.6Ah Ni - MH . battery 7.2 V - 14.4V Approx . 70 18V Approx . 90 for 3.0Ah Ni - MH . battery Cord length : m ( ft ) 2 ( 6.6 ) 0.48 ( 1.06 ) Net weight : kg ( lbs ) < Note > The above figures about charging time may differ from condition to condition on batteries ' temperature or room temperature . Features and benefits Possible to charge both Ni - Cd and Ni - MH batteries up to 18V . See the list below . The list of chargeable batteries Battery's Voltage 7.2V 9.6V 12V 14.4V 18V 7000 9000 9100 1200 1200A 1420 1.3Ah - Cd 9100A 9120 1210 1220 Ni type 1202 1202A 1422 1822 7002 9002 9102 2.0Ah 1222 9102A 9122 Battery 9033 9133 1233 1433 MH1833 7033 2.2Ah - 9134 1234 1434 Ni1834 2.6Ah 3.0Ah 9135 9135A 1235 1235A 1435 1835
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P 2 / 3 Features and benefits Connectable to both 12V and 24V power source , and charging time is the same . < Note > Because of CE and UL , it is regulated to use this product with 12 V power source in Europe and USA . < Note > This product is not equipped with trickle charging system . Charging system * Controlling by micro computer : The installed micro computer recognizes the full charged condition , and selects the optimum way to stop the charging process , from the followings . A ) Minus delta V system : Stop the charging process with recognizing the battery's voltage drop . B ) Delta T system : Stop the charging process with recognizing the change of battery's temperature . ( This system is applied to only the charger of 4 terminal - type . ) C ) T system : Stop the charging process with recognizing the battery's temperature which is input in the micro computer in advance . For instance the charging process is to be stopped at 45 ° C for 1.3Ah battery , and at 60 ° C for 1.7 - 2.2Ah battery . D ) Timer system : Stop the charging process in 150 minutes after starting the charge , if the full charged condition would not be recognized with any of the above 3 systems . Minus delta V system 1 Battery's voltage T system 2 Heated battery's temperature . 1 It can not be charged Battery's voltage completely . and temperature 2 3 Battery's normal temperature Delta T in charging process system The process is stopped by delta T system . 3 Charging time Full charged line * Constant output current ( charging current ) : By keeping the output current ( Ampere ) in the constant level , it is possible to stop the charging process with perceiving the battery's voltage drop exactly . Namely , it is possible to perceive the full charged condition by the above " Minus delta V system " . * Current transforming system : The built in " High - Frequency Transformer " supplies the charging current as follows . 1 . Convert the DC of 12V or 24V into the AC with high frequency of approx . 150Hz - 160Hz . 2 . Reduce the voltage to the battery's voltage .
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P 3 / 3 Comparison of products MAKITA Model No . DC1822 DC1422 Specifications Input voltage : V 12 V / 24V 12 V / 24V 14.4V 14.4V 7.2V , 12V , 18V , 7.2V , 12V , 9.6V , 9.6V , Output voltage : V Approx . Approx . for 1.3Ah 30 45 Approx . Approx . Approx . 45 60 70 for 2.0Ah Charging Approx . Approx . Approx . for 2.2Ah 50 65 75 time : min . 60 75 85 Approx . Approx . Approx . for 2.6Ah Approx . Approx . Approx . 70 90 100 for 3.0Ah Dimensions Length ( L ) : mm ( " ) 201 ( 7 - 15 / 16 ) 193 ( 7 - 15 / 16 ) 105 ( 4 - 1 / 8 ) 92 ( 3 - 5 / 8 ) Width ( W ) : mm ( " ) Height ( H ) : mm ( " ) 78 ( 3 - 1 / 16 ) 78 ( 3 - 1 / 16 ) Net weight 0.48 ( 1.06 ) 0.41 ( 0.9 ) < Note > The above figures about charging time may differ from condition to condition on batteries ' temperature or room temperature . Repair In case of damaged fuse , they can be replaced with the fresh one in accordance with the following procedure . ( 1 ) How to find a broken fuse a . If the charging light flashes alternately in green and red approx . in one minute after starting of charge , fuse can be damaged . b . If the above phenomenon appears after forcing the battery to insert with wrong direction as illustrated in Fig . 1A , fuse can be damaged . c . If the fuse is in order nevertheless the above phenomenon , " a " is perceived , Charger replace circuit board , because the cause of trouble can not be on the fuse . ( 2 ) replacing the damaged fuse 1 . Remove the fuse with soldering iron , form the circuit board . 2 . Assemble the fresh fuse to the circuit board , with soldering iron . Battery Fig . 1A Fuse is installed in the space illustrated in Fig . 2 . Fig . 2 .
