Page 1
Cat. No.
M18B
OPERATOR'S MANUAL
Cat. No.
M18BX
Cat. No.
M12-18C
M12B
Cat. No.
Cat. No.
New batteries must be charged before
first use.
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.
Page 2
IMPORTANT SAFETY INSTRUCTIONS
WARNING READ AND UNDERSTAND ALL INSTRUCTIONS. Failure to follow all
instructions listed below, may result in electric shock, and/or serious personal injury.
fire
SAVE THESE INSTRUCTIONS
1. SAVE THESE INSTRUCTIONS - THIS
MANUAL CONTAINS IMPORTANT SAFETY
AND OPERATING INSTRUCTIONS FOR
THE MILWAUKEE LITHIUM-ION COMBO
CHARGER CAT. NO.
MILWAUKEE 18 LI-ION
2. BEFORE USING THE AND
CHARGER, READ ALL INSTRUCTIONS AND
CAUTIONARY MARKINGS ON BA
CHARGER, BATTERY, AND TOOL.
3. CAUTION! TO REDUCE THE RISK OF
CHARGE MILW AUKEE 12 AND 18 V LITHIUM-
ION BATTERIES ONLY IN MILWAUKEE 12
AND 18 V LITHIUM-ION CHARGERS. Other
types of batteries may burst causing personal
injury and damage. Do not wire a battery pack
to a power supply plug or car cigarette lighter
Batteries will be permanently disabled or damaged.
4. USE MILWAUKEE LITHIUM-ION P ONLY
ON COMPATIBLE MILWAUKEE LITHIUM-ION
TOOLS. Battery pack and charger are not com-
patible with V™-technology or NiCd systems.
Use with other tools may result in a risk of
electric shock or personal injury.
5. AVOID DANGEROUS ENVIRONMENTS. Do
not charge battery pack in rain, snow, damp or
wet locations. Do not use battery pack or charger in the presence of explosive atmospheres
(gaseous fumes, dust or materials)
because sparks may be generated when inserting or removing battery pack, possibly causing
.
fire
6. CHARGE IN A WELL VENTILA TED AREA.
Do not block charger vents. Keep them clear to
allow proper ventilation. Do not allow smoking
or open near a charging battery pack.
Vented gases may explode.
7. MAINTAIN CHARGER CORD. When unplug-
ging charger, pull plug rather than cord to reduce
the risk of damage to the electrical plug and cord.
Never carry charger by its cord. Keep cord from
heat, oil and sharp edges. Make sure cord will
not be stepped on, tripped over or subjected
to damage or stress. Do not use charger with
damaged cord or plug. Have a damaged cord
replaced immediately with identical replacement
parts (see “Maintenance”).
8. DO NOT EXTENSION CORD UNLESS
IT IS ABSOLUTELY NECESSARY. Using the
wrong, damaged or improperly wired extension
cord could result in the risk of and electrical
shock. If an extension cord must be used, plug
the charger into a properly wired 16 gauge or
larger extension cord with pins that are the
same
charger. Make sure that the extension cord
is in good electrical condition.
12V AND BA TTERIES.
flames
USE AN
size and shape as the pins on
M12-18C
V
BA TTERIES
flammable
fire
AND
TTERY
INJUR Y,
ACKS
the
9. CHARGER IS FOR 220-240V AC ONLY.
Charger must be plugged into an appropriate
receptacle.
10. USE ONLY RECOMMENDED
Use of an attachment not recommended or sold
by the battery charger or battery pack manufacturer may result in a risk of , electric shock
or personal injury.
11. UNPLUG CHARGER when not in use. Remove
battery pack from unplugged chargers.
12. TO REDUCE THE RISK OF ELECTRIC
SHOCK, always unplug charger before cleaning or maintenance. Do not allow water to
into AC/DC plug. Use a Ground Fault Circuit
Interrupter (GFCI) to reduce shock hazards.
13. DO NOT BURN OR INCINERA
Batteries may explode, causing personal injury
.
or damage. Toxic fumes and materials are created when batteries are burned.
14. DO NOT CRUSH, DROP, OR DAMAGE
ies. Do not use a battery pack or charger that
has received a sharp blow, been dropped, run
over, or damaged in any way (e.g., pierced with
fire,
a nail, hit with a hammer, stepped on).
15. DO NOT DISASSEMBLE. Incorrect reassembly
may result in the risk of electric shock,
exposure to battery chemicals. If it is damaged,
take it to a MILWAUKEE
16. BATTERY CHEMICALS CAUSE SERIOUS
BURNS. Never allow contact with skin, eyes, or
mouth. If a damaged battery pack leaks battery
chemicals, use rubber or neoprene gloves to
dispose of it. If skin is exposed to
wash with soap and water and rinse with
alkaline substance. If eyes are exposed to
battery chemicals,
for 20 minutes and
Remove and dispose of
17. DO NOT SHORT CIRCUIT. A battery pack will
short circuit if a metal object makes a connection
between the positive and negative contacts on
the battery pack. Do not place a battery pack
near anything that may cause a short circuit,
such as coins, keys or nails in your pocket. A
short circuited battery pack may cause
personal injury.
18. STORE YOUR BATTERY PACK AND CHAR-
GER in a cool, dry place. Do not store battery
pack where temperatures may exceed
(120°F)
metal building during the summer.
RA TED
ATTACHMENTS.
fire
TE BATTERIES.
dealer.
immediately with water flush
seek medical attention.
contaminated clothing.
such as in direct sunlight, a vehicle or
READ AND SAVE ALL READ AND SAVE ALL
INSTRUCTIONS FOR INSTRUCTIONS FOR
FUTURE REFERENCE.FUTURE REFERENCE.
2
battery fluid,
flow
batter-
fire
an
fire
50°C
or
and
Page 3
Charger
Cat. No.
M12-18C
AC Input
Volts
220-240 1.15 12 or 18V 3
AC Input
Amps
DC Output
Volts
DC Output
Amps
SPECIFICATIONS
Battery Cat. No. DC Volts
M18B
M18BX
M12B
M12BX
18
18
12
12
SYMBOLOGY
Volts Direct Current
Volts Alternating Current
Double Insulated
Hertz
FUNCTIONAL DESCRIPTION
6
5
5
2
4
3
1. Contacts
2. Release
3.
4. Fuel
5. Electrical
6. Bay
7.
8. Light indicators:
Continuous red: Charging
Gauge button
Fuel
Gauge
Vents
buttons
contacts
8
1
2
7
6
1
2
Continuous green light: Charging is complete
flashing red: Battery is too hot/cold - Charging
Fast
flashing
Slow
Flashing red/green: Damaged or faulty battery pack
begin when battery reaches correct
will
charging temperature
red: Battery charge is pending - Charg-
ing will begin when the
fully charged
first
3
pack is
Page 4
MILWAUKEE LITHIUM-ION BATTERY PACKS
18 V
Fuel Gauge
Use the Fuel Gauge to determine the battery pack's
remaining run time. Press the Fuel Gauge button to
display the lights. The Fuel Gauge will light up for
2-3 seconds. When less than 10% of charge is left,
1 light on the fuel gauge will slowly. flash
Approximate Run
Time Remaining
33-54%
10-32%
Less than 10% if bottom light is fl ashing
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
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.
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.
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 Release
the trigger and restart.
Under extreme circumstances, the internal temperature of the battery could become too high. If
this happens, the fuel gauge lights will 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, fl ashing slowly Less than 10% run
1 Light, fl ashing quickly End of discharge Charge pack
Lights 1-4, fl ashing
quickly
Lights 1&3 / 2&4,
fl ashing alternatingly
Cold Weather Operation
MILWAUKEE M18 LITHIUM-ION battery packs can
be used in temperatures down to . 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.
78-100%
55-77%
, MILWAUKEE
will flash.
flash
time left
Current draw too high Release trigger and restart,
Battery temperature
too high
Prepare to charge pack
reduce pressure
Release trigger and allow
battery to cool
0°C
12V AND 18 V
Maintenance and Storage
Do not expose your battery pack or cordless tools
to water or rain, or allow them to get
wet. This could
damage the tool and battery pack. Do not use oil
or solvents to clean or lubricate your battery pack.
The plastic casing will become brittle and crack,
causing a risk of injury.
Store battery packs at room temperature away from
moisture. Do not store in damp locations where corrosion of terminals may
occur.. 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.
Do not keep topping up the battery without using
the battery pack. Run down to 50% (2 lights) at
least every six (6) months.
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.
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 recycling 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 or explosion.fire
4
Page 5
MILWAUKEE LITHIUM-ION COMBO CHARGER
WARNING Charge only MILWAUKEE
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
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.
• Use the Fuel Gauge (on the battery pack or tool)
to determine when to charge your MILWAUKEE Li-
Ion battery pack.
• 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
making a cut, drilling a hole, or driving a
finish
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 quickly
(battery pack is too hot or cold), slowly
(battery pack is waiting for another pack to
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.
• 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 begin charging when the pack inserted is fully
first
charged.
• If the light indicator red and green, check
flashes
that the battery pack is fully seated into the bay .
Remove the battery pack and
continues to 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.
flash
If the problem persists, contact
your MILWAUKEE dealer.
• 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.
light indicator still does not come on, contact
your MILWAUKEE dealer.
flashing
flashing
finish
If the light re-insert.
If the
Charging a Hot or Cold Battery Pack
The Red Flashing Indicator light on the charger
indicates that the battery pack temperature is outside 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.
Li-Ion Charging Status
Battery Pack
Temperature
Too Hot
Normal Range
Too Cold
Red Charger
Indicator Light
Fast Flashing
Continuous
Fast Flashing
Charging Status
Not charging
Normal charging
Not charging
Powering the Charger with an Inverter or
Generator
The charger will operate with most generators and
inverters rated at 300 Watts or higher.
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 remove the battery from the charger before performing any maintenance. Never disassemble
the battery or
MILWAUKEE
To reduce the risk of injury and damage, never
immerse your battery or charger in liquid or
allow a liquid to inside them.flow
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.
Repairs
The charger has no serviceable parts.
5
charger. Contact your
dealer for ALL repairs.
,
,
Page 6
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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