Milwaukee Battery Charger M12 18C User Manual

OPERATOR'S MANUAL  
Cat. No.  
M18B  
Cat. No.  
M18BX  
Cat. No.  
M12-18C  
Cat. No.  
M12B  
New batteries must be charged before  
first use.  
Cat. No.  
M12BX  
M12™ / M18™ MULTI VOLTAGE CHARGER  
M12™ AND M18™ Li-ION BATTERY PACKS  
TO REDUCE THE RISK OF INJURY, USER MUST READ AND UNDERSTAND OPERATOR'S  
MANUAL.  
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SPECIFICATIONS  
Charger  
Cat. No.  
M12-18C  
AC Input  
Volts  
220-240  
AC Input  
Amps  
1.15  
DC Output  
Volts  
DC Output  
Battery Cat. No. DC Volts  
Amps  
18  
18  
12  
12  
M18B  
12 or 18V  
3
M18BX  
M12B  
M12BX  
FUNCTIONAL DESCRIPTION  
SYMBOLOGY  
8
Volts Direct Current  
6
7
Volts Alternating Current  
Double Insulated  
5
Hertz  
6
1
2
5
1
2
4
3
1. Contacts  
2
2. Release buttons  
3. Fuel Gauge button  
4. Fuel Gauge  
5. Electrical contacts  
6. Bay  
7. Vents  
8. Light indicators:  
Continuous red: Charging  
Continuous green light: Charging is complete  
Fast flashing red: Battery is too hot/cold - Charging  
will begin when battery reaches correct  
charging temperature  
Slow flashing red: Battery charge is pending - Charg-  
ing will begin when the first pack is  
fully charged  
Flashing red/green: Damaged or faulty battery pack  
3
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MILWAUKEE LITHIUM-ION BATTERY PACKS  
18 V 12V AND 18 V  
Fuel Gauge  
Maintenance and Storage  
Use the Fuel Gauge to determine the battery pack's Do not expose your battery pack or cordless tools  
remaining run time. Press the Fuel Gauge button to to water or rain, or allow them to get wet.This could  
display the lights. The Fuel Gauge will light up for damage the tool and battery pack. Do not use oil  
2-3 seconds. When less than 10% of charge is left, or solvents to clean or lubricate your battery pack.  
1 light on the fuel gauge will flash slowly.  
The plastic casing will become brittle and crack,  
causing a risk of injury.  
Approximate Run  
Time Remaining  
78-100%  
Store battery packs at room temperature away from  
moisture. Do not store in damp locations where cor-  
rosion of terminals may occu.r.As with other battery  
pack types, permanent capacity loss can result if  
the pack is stored for long periods of time at high  
temperatures (65°C). MILWAUKEE Lithium-  
Ion battery packs maintain their charge during  
storage longer than other battery pack types. After  
about a year of storage, charge the pack as normal.  
55-77%  
33-54%  
10-32%  
Less than 10% if bottom light is ashing  
Do not keep topping up the battery without using  
the battery pack. Run down to 50% (2 lights) at  
least every six (6) months.  
NOTE: If the Fuel Gauge doesn't appear to be  
working, place the battery pack on the charger and  
charge as needed.  
Compared to NiCd battery pack types, MILWAUKEE  
Lithium-Ion battery packs deliver fade-free power  
for their entire run time.The tool will not experience  
a slow, gradual loss of power as you work.To signal  
the end of discharge, 1 light on the fuel gauge will  
flash quickly for 2-3 seconds and the tool will not  
run. Charge the battery pack.  
WARNING To reduce the risk of injury  
or explosion, never burn or incinerate a  
battery pack even if it is damaged, dead or  
completely discharged. When burned, toxic  
fumes and materials are created.  
NOTE: Immediately after using the battery pack,  
the Fuel Gauge may display a lower charge than  
it will if checked a few minutes later. The battery  
cells "recover" some of their charge after resting.  
Disposing of MILWAUKEE Li-Ion Battery Packs  
MILWAUKEE Lithium-Ion battery packs are more  
environmentally friendly than some other types of  
power tool battery packs (e.g., nickel-cadmium).  
Always dispose of your battery pack according to  
federal, state and local regulations. Contact a re-  
cycling agency in your area for recycling locations.  
Even discharged battery packs contain some  
energy. Before disposing, use electrical tape to  
cover the terminals to prevent the battery pack from  
shorting, which could cause a fire or explosion.  
Battery Pack Protection  
To protect itself from damage and extend its life, the  
battery pack’s intelligent circuit monitors current draw  
and temperature. In extremely high torque, binding,  
stalling, and short circuit situations, the battery pack  
will turn OFF the tool if the current draw becomes  
too high.All the fuel gauge lights will flash. Release  
the trigger and restart.  
Under extreme circumstances, the internal tem-  
perature of the battery could become too high. If  
this happens, the fuel gauge lights will flash in an  
alternating pattern and the tool will not run. Allow  
the battery to cool down.  
Fuel Gauge Lights Diagnosis  
Solution  
Lights 1 - 4 Solid Remaining run time Continue working  
1 Light, ashing slowly Less than 10% run  
Prepare to charge pack  
Charge pack  
time left  
1 Light, ashing quickly End of discharge  
Lights 1-4, ashing  
quickly  
Current draw too high Release trigger and restart,  
reduce pressure  
Lights 1&3 / 2&4,  
ashing alternatingly  
Battery temperature Release trigger and allow  
too high  
battery to cool  
Cold Weather Operation  
MILWAUKEE M18 LITHIUM-ION battery packs can  
be used in temperatures down to 0°C . When the  
battery pack is very cold, put the battery pack on  
a tool and use the tool in a light application. It may  
“buzz” for a short time until it warms up. When the  
buzzing stops, use the tool normally.  
4
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MILWAUKEE LITHIUM-ION COMBO CHARGER  
Charging a Hot or Cold Battery Pack  
WARNING Charge only MILWAUKEE  
The Red Flashing Indicator light on the charger  
indicates that the battery pack temperature is out-  
side the charging range. Once the battery pack is  
within the acceptable range, normal charging will  
take place and the red light will be continuous. Hot  
or cold batteries may take longer to charge.  
12V and 18 V Li-Ion batteries in the  
MILWAUKEE 12 and 18 V Li-Ion Combo  
Charger. Other types of batteries may cause  
personal injury and damage.  
When to Charge the Battery Pack with this  
MILWAUKEE Charger  
Li-Ion Charging Status  
Remove the battery pack from the tool for  
charging when convenient for you and your job.  
MILWAUKEE batteries do not develop a "memory"  
when charged after only a partial discharge. It is  
not necessary to run down the battery pack before  
placing it on the charger.  
Battery Pack  
Temperature  
Red Charger  
Charging Status  
Indicator Light  
Too Hot  
Normal Range Continuous  
Too Cold Fast Flashing  
Fast Flashing  
Not charging  
Normal charging  
Not charging  
• Use the Fuel Gauge (on the battery pack or tool)  
Powering the Charger with an Inverter or  
to determine when to charge yourMILWAUKEE Li- Generator  
Ion battery pack.  
The charger will operate with most generators and  
inverters rated at 300 Watts or higher.  
• You can "Top-Off" your battery pack's charge  
before starting a big job or long day of use.  
• The only time it is necessary to charge the  
MILWAUKEE Lithium-Ion battery pack is when the  
battery pack has reached the end of its charge  
or after the job is complete.  
To signal the end of charge, power to the tool will  
drop quickly, allowing you just enough power to  
finish making a cut, drilling a hole, or driving a  
fastener. Charge the battery pack as needed.  
How to Charge the Battery Pack  
Align the battery pack with the bay and slide the  
battery pack into the charger as far as possible.  
The red light will come on, either flashing quickly  
(battery pack is too hot or cold), flashing slowly  
(battery pack is waiting for another pack to finish  
charging) or continuous (pack is charging).  
• A fully discharged battery pack with an internal  
temperature in the normal range will charge in 30  
to 75 minutes, depending on the battery pack.  
• Heavily cycled batteries may take longer to charge  
completely.  
Maintenance and Storage  
Store your charger in a cool, dry place.  
As a general practice, it is best to unplug battery  
chargers and remove batteries when not in use.  
No battery pack damage will occur, however, if the  
charger and battery pack are left plugged in.  
WARNING To reduce the risk of injury,  
always unplug the charger and re-  
move the battery from the charger before per-  
forming any maintenance. Never disassemble  
the battery or charger. Contact your  
MILWAUKEE  
dealer for ALL repairs.  
To reduce the risk of injury and damage, never  
immerse your battery or charger in liquid or  
allow a liquid to flow inside them.  
Cleaning  
Clean out dust and debris from charger vents and  
electrical contacts by blowing with compressed air.  
Use only mild soap and a damp cloth to clean the  
battery pack and charger, keeping away from all  
electrical contacts. Certain cleaning agents and  
solvents are harmful to plastics and other insulated  
parts. Some of these include gasoline, turpentine,  
lacquer thinner, paint thinner, chlorinated cleaning  
solvents, ammonia and household detergents  
containing ammonia. Never use flammable or  
combustible solvents around batteries, charger,  
or tools.  
• The Fuel Gauge lights on 18V battery packs are  
displayed as the pack is being charged, indicating  
how fully charged the pack is.The fuel gauge will  
turn off when charging is complete.  
• After charging is complete, the continuous green  
light will come on.  
• The charger will keep the battery pack fully  
charged if it is left on the charger.  
• The second pack inserted in the charger will be-  
gin charging when the first pack inserted is fully  
charged.  
Repairs  
• If the light indicator flashes red and green, check  
that the battery pack is fully seated into the bay.  
Remove the battery pack and re-insert. If the light  
continues to flash red and green, the battery pack  
may be extremely hot or cold, or wet. Allow the  
battery pack to cool down, warm up, or dry out  
and then re-insert. If the problem persists, contact  
your MILWAUKEE dealer.  
The charger has no serviceable parts.  
• If the light indicator does not come on, check  
that the battery pack is fully seated into the bay.  
Remove the battery pack and re-insert. If the  
light indicator still does not come on, contact  
your MILWAUKEE dealer.  
5
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Milwaukee Electric Tool Corporation (Australia)  
Techtronic Industries (Australia) Pty. Ltd.  
Doncaster, Victoria, Australia, 3108  
Milwaukee Electric Tool Corporation (New Zealand)  
Techtronic Industries (New Zealand) Pty. Ltd.  
Penrose, Auckland, New Zealand, 1060  
Designed by Milwaukee Electric Tool Corporation  
Professionally made in China for Milwaukee Electric Tool Corporation  
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