Harbor Freight Tools Battery Charger 47620 User Manual

Computer Controlled  
universal ni-Cd/ni-mh  
battery Charger  
model 47620  
Operating instructiOns  
Diagrams within this manual may not be drawn proportionally.  
Due to continuing improvements, actual product may differ slightly from the product described herein.  
Distributed exclusively by Harbor Freight tools®.  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Visit our website at: http://www.harborfreight.com  
read this material before using this product.  
Failure to do so can result in serious injury.  
saVe tHis manual.  
Copyright© 2007 by Harbor Freight Tools®. All rights reserved. No portion of this  
manual or any artwork contained herein may be reproduced in any shape or form  
without the express written consent of Harbor Freight Tools.  
For technical questions or replacement parts, please call 1-800-444-3353.  
 
4.  
5.  
6.  
7.  
8.  
do not overcharge batteries.  
do not charge damaged batteries.  
Follow all manual instructions.  
always wear ansi-approved safety goggles during use.  
do not cover the vents of the Computer Controlled battery Charger, place on  
a hard surface.  
9.  
Keep this Fast battery Charger out of the reach of children.  
10.  
unplug the battery Charger from adapter and adapter from outlet when not  
in use.  
11.  
do not operate this Computer Controlled battery Charger with a damaged  
adapter cord or plug or after any malfunctions. Do not use if it is damaged in  
any manner.  
12.  
13.  
14.  
do not use outdoors.  
do not use this Fast battery Charger for other than intended use.  
maintain labels and nameplates. These carry important information. If unreadable  
or missing, contact Harbor Freight Tools for a replacement.  
15.  
16.  
do not clean with metal scouring pads. Metal pieces can break off the pads and  
touch electrical parts involving risk of shock.  
the warnings, precautions, and instructions discussed in this instruction  
manual cannot cover all possible conditions and situations that may occur.  
it must be understood by the operator that common sense and caution are  
factors which cannot be built into this product, but must be supplied by the  
operator.  
save these instruCtions.  
power Cord safety  
1.  
2.  
3.  
A short Adapter Power cord is provided to reduce risks resulting from becoming  
entangled in or tripping over a longer cord.  
Longer extension cords are available and may be used if care is exercised in their  
use. Follow all directions when using a long extension cord.  
If a long extension cord is used,  
a. the marked electrical rating of the (detachable power supply cord or)  
extension cord should be at least as great as the electrical rating of the  
appliance,  
SKU 47620  
For technical questions, please call 1-800-444-3353.  
Page 3  
 
b. the longer cord should be arranged so that it will not drape over the  
counter top or tabletop where it can be pulled on by children or tripped  
over.  
unpaCKing  
When unpacking, check to make sure that the item is intact and undamaged. If any  
problem exists, please call Harbor Freight Tools at the number shown on the cover of this  
manual as soon as possible.  
operation  
1.  
2.  
Place the Computer Controlled Battery Charger on a flat, smooth surface near an  
electrical outlet. Connect the AC Adapter Jack to the Battery Charger.  
Insert 1 to 4, D, C, AA, AAA batteries (or any combination of these four types), or 1  
to 2 9V batteries in the Battery Compartment.You can mix ni-Cd (nickel-cadmium)  
and ni-mh (nickel-metal hydride) batteries.  
3.  
CHARGING WITHOUT DISCHARGE for AAA, AA, C and D size batteries. The  
Battery Charger is equipped with a Microprocessor to control charging. Plug the  
AC Adapter into a correct house-hold electric outlet. The red LED will light up and  
the “Quick Charge” mode starts. When the battery is charged the red LED will go  
off and the green LED will light up and the “Trickle Charge” mode is on.The charged  
batteries are now ready for use.  
4.  
CHARGING WITH DISCHARGE for AAA, AA, C and D size batteries. Plug the AC  
Adapter into a correct household electric outlet and press the red Discharge Button  
within 30 seconds. The red LED will light up and flash to indicate the discharge  
mode has started. When the battery is discharged, the red lights will light up and  
stop flashing to indicate the “Quick Charge” mode. After the battery is charged, the  
red lights will go off and the green LED will light up and the “Trickle Charge” mode  
is on. The charged batteries are now ready for use.  
5.  
6.  
When 9V batteries are placed in the Computer Controlled Battery Charger, one red  
LED (between the 9V battery compartments) will go on. After the proper charge  
time is reached (11.5 hr. by timer) the red LED will go off to indicate the charging  
is finished.  
Unplug the Computer Controlled Battery Charger from the AC Adapter and the  
AC Adapter from the electrical outlet and REMOVE ALL BATTERIES when not in  
use.  
SKU 47620  
For technical questions, please call 1-800-444-3353.  
Page 4  
 
speCial Feature  
Detection of a bad cell for AAA, AA, C and D size batteries only. Insert batteries in  
charging slots.DO NOT PRESS RED BUTTON. When the battery is placed in the charging  
slot, the “REDLED will light up and the Battery Charger will detect the status of the battery  
at that moment. If the battery is NOT suitable for charging, the LED light will switch off and  
stop charging. Defective batteries are indicated if either:  
a. the LED Indicator is OFF.  
b. the LED Indicator is BLINKING.  
troubleshooting  
problem  
possible solution  
The Charge Indicator Light(s) do not illuminate 1. 1. Make sure the AC Adapter is plugged  
into a working 120 Volt, grounded, electrical  
outlet, and the Adapter Jack is plugged  
tightly into the Battery Charger.  
2. 2. Disconnect the Adapter Jack from the  
Battery Charger. Check to make sure each  
battery is inserted properly into the Battery  
Compartment.  
3. The Battery is bad  
The Computer Controlled Battery Charger  
and/or the batteries feel warm to the touch  
This is normal and should not be cause for  
concern.  
SKU 47620  
For technical questions, please call 1-800-444-3353.  
Page 5  
 
record products serial number here:  
Note: If product has no serial number, record month and year of purchase instead.  
Note: Some parts are listed and shown for illustration purposes only, and are not available  
individually as replacement parts.  
Note: Replacement parts are NOT available.  
SKU 47620  
For technical questions, please call 1-800-444-3353.  
Page 6  
 

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