Installingor removing battery cartridge 
*Always switchoff the tool before insertion or removalof the battery cartridge 
*To removethe battery cartridge, withdraw 
it from the tool while pressingthe buttons 
on both sides of the cartridge. 
*To insert the battery cartridge, align the 
tongue on the battery cartridge with the 
groove inthe housingand slip it into place. 
Always insert it all the way until it locks in 
place with 
a 
little click. 
If 
not, it may acci- 
dentally fall out of the tool, causing injury 
toyou or someone aroundyou. 
*Do 
not useforce when inserting the batterycartridge. 
If the cartridgedoes not slide in easily, 
it 
is not being insertedcorrectly. 
Charging 
Plug the fast charger into your power 
source. Insert the battery cartridge 
so 
that 
the plus and minusterminals on the battery 
cartridge are on the same sides as their 
respective markingson the fast charger. 
Insert the cartridge fully into the port 
so 
that 
it 
resetson the chargerport floor. 
The charging light will come on and charg- 
ing will begin. If the charging light goes out 
soon, removethe battery cartridgefrom the 
chargerand let it cool off for morethan one 
minute,Then re-insert 
it 
andtry to chargeitonce more. If the charginglight goes out with- 
in one minute even after repeating this procedure 
a 
couple of times, the battery cartridge 
is dead. Replace 
it 
with 
a 
newone. 
When the charginglight goes out after about one hour,you may removethe fully charged 
battery cartridge. 
After charging,unplugthe chargerfrom the power source. 
CAUTION: 
*Your newbattery cartridge is not charged.You will needto charge it before use. 
*If 
you try to charge 
a 
cartridgefrom 
a 
just-operatedtool, sometimesthe charginglight will 
not come on. If this occurs, let the cartridge cool off for 
a 
while. Then re-insert it and try 
to charge 
it 
once more. 
*When you chargea newbattery cartridge or a battery cartridge which has not been used 
for 
a 
long period, it may not accept a full charge.This is 
a 
normalcondition and does not 
indicate 
a 
problem. You can recharge the battery cartridgefully after discharging 
it 
almost 
completely 
a 
coupleof times. 
*If 
you wish to chargetwo battery cartridges, allow 
15 
minutes betweenchargingson the 
fast charger. 
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