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AC/DC Charger (Cat. No. 2510-20)
To reduce the risk of damage to the charger, do
not attempt to plug into both AC and DC outlets at
the same time.
To use the AC/DC plug in a DC outlet, rotate the
DC adapter out (A) and insert into a DC outlet. The
AC plug blades should be folded in.
To use the AC/DC plug in an AC outlet, rotate the
AC plug blades out (B) and insert into an AC outlet.
The DC adapter should be folded in.
Battery Temp
140°F or more
32°F to 140°F
32°F or less
Red Indicator Light
Flashing
Continuous
Flashing
Charging Status
Not charging
Normal charging
Not charging
Li-Ion Charging Status
Powering the Charger with an Inverter or
Generator
The charger will operate with most generators and
inverters rated at 100 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 Charge only MILWAUKEE
12V Li-Ion batteries in the MILWAUKEE 12V
Li-Ion charger. Other types of batteries may
cause personal injury and damage.
To reduce the risk of electric shock, do not
allow water to fl ow into AC/DC plug.
WARNING To reduce the risk of
injury, always unplug the charger and re-
move the battery from the charger before
performing any maintenance. Never disas-
semble the battery or charger. Contact a
MILWAUKEE service facility for ALL repairs.
To reduce the risk of injury and damage, never
immerse your battery or charger in liquid or
allow a liquid to fl ow 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.
Repairs
The charger has no serviceable parts.
MILWAUKEE 12 V LITHIUM-ION CHARGERS
Remove the battery pack and reinsert. If the light
continues to fl ash 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 reinsert. If the problem persists, contact
a MILWAUKEE service facility.
• If the light indicator does not come on, check
that the battery pack is fully seated into the bay.
Remove the battery pack and reinsert. If the
light indicator still does not come on, contact a
MILWAUKEE service facility.
Charging a Hot or Cold Battery Pack
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.
A
B
When to Charge the Battery Pack with these
MILWAUKEE Chargers
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 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.
To signal the end of charge, power to the tool will
drop quickly, allowing you just enough power to
fi nish 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 fl ashing (bat-
tery pack is too hot or cold) 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
and charger. Heavily cycled batteries may take
longer to charge completely.
• 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.
• If the light indicator fl ashes red and green, check
that the battery pack is fully seated into the bay.
LIMITED WARRANTY - USA AND CANADA
Every MILWAUKEE Battery Pack (sold with cordless product and/or as a replacement battery pack) is warranted to the
original purchaser only to be free from defects in material and workmanship. Subject to certain exceptions, MILWAUKEE
will repair or replace a battery pack which, after examination, is determined by MILWAUKEE to be defective in material
or workmanship for the stated warranty period from date of purchase. Return of the battery pack to a MILWAUKEE
factory Service Center location or MILWAUKEE Authorized Service Station, freight prepaid and insured, is required.
A copy of the proof of purchase should be included with the return product. This warranty does not apply to damage
that MILWAUKEE determines to be from repairs made or attempted by anyone other than MILWAUKEE authorized
personnel, misuse, alterations, abuse, normal wear and tear, lack of maintenance, or accidents.
Battery Pack Description Chemistry Warranty Period (from date of purchase)
M12™ XC REDLITHIUM™
M12™ XC REDLITHIUM™ 4.0
M18™ XC REDLITHIUM™
M18™ XC REDLITHIUM™ 4.0
M28™ XC LITHIUM-ION
M28™ XC REDLITHIUM™
LITHIUM-ION Three (3) Years
V4 LITHIUM-ION
M12™ Compact LITHIUM-ION
M12™ Compact REDLITHIUM™
M12™ Compact REDLITHIUM™ 2.0
M12™ XC LITHIUM-ION
M18™ Compact LITHIUM-ION
M18™ Compact REDLITHIUM™
M18™ Compact REDLITHIUM™ 2.0
LITHIUM-ION Two (2) Years
M18™ LITHIUM-ION
V18™ V™-technology LITHIUM-ION Se-
rial number prefix “A95”
V28™ V™-technology LITHIUM-ION
LITHIUM-ION
Two (2) Years – plus,
Three (3) Years Pro-Rata (prorated)*
Ni-Cd, Ni-Cd Super-Tough, Ni-Cd Power-
Plus, Ni-MH, V18™ V™-technology
LITHIUM-ION Serial number prefix “E95”
Ni-Cd / Nickel-Cadmium,
Ni-MH / Nickel-Metal-Hydride
LITHIUM-ION
One (1) Year
The warranty period for all Ni-CD and Ni-MH Battery Packs is one (1) year from the date of purchase. The warranty period
for V4 Lithium-Ion, M12™ Compact Lithium-ion, M12™ Compact REDLITHIUM™, M12™ XC LITHIUM-ION, M18™
Compact LITHIUM-ION and M18™Compact REDLITHIUM™ Battery Packs is two (2) years from the date of purchase.
The warranty period for M12™ XC REDLITHIUM™, M18™ XC REDLITHIUM™, M28™ XC REDLITHIUM™ and
M28™ XC LITHIUM-ION Battery Packs is three (3) years from the date of purchase. *The warranty period for every
MILWAUKEE V™-technology V28™ LITHIUM-ION Battery Pack, M18™ XC HIGH CAPACITY LITHIUM-ION Battery
Pack, and V™-technology V18™ LITHIUM-ION Battery Pack (with the serial number prefix “A95”) is five (5) years /
2000 charges from the date of purchase, whichever first occurs. The first 1000 charges or 2 years of the warranty,
whichever first occurs, are covered through free replacement of the defective battery. This means that for the earlier of
the first 1000 charges or two (2) years from the date of purchase/first charge, a replacement battery will be provided
to the customer for any defective battery free of charge. Thereafter, the remaining charges up to a total of 2000 or the
remainder of the five (5) year period from the date of purchase, whichever first occurs, will be covered on a pro rata basis.
This means that every customer gets an additional 1000 charges or three (3) years of pro rata warranty on the
V™technology V28™ LITHIUM-ION Battery Pack, M18™ XC LITHIUM-ION Battery Pack, and V™-technology V18™
LITHIUM-ION Battery Pack (with the serial number prefix “A95”) depending upon the amount of use. The warranty
period for V™-technology V18™ LITHIUM-ION Battery Pack (with the serial number prefix “E95”) is one (1) year.
Warranty Registration is not necessary to obtain the applicable warranty on a MILWAUKEE battery pack. The
manufacturing date of the product will be used to determine the warranty period if no proof of purchase is provided at
the time warranty service is requested.
ACCEPTANCE OF THE EXCLUSIVE REPAIR AND REPLACEMENT REMEDIES DESCRIBED HEREIN IS A CONDI-
TION OF THE CONTRACT FOR THE PURCHASE OF EVERY MILWAUKEE PRODUCT. IF YOU DO NOT AGREE
TO THIS CONDITION, YOU SHOULD NOT PURCHASE THE PRODUCT. IN NO EVENT SHALL MILWAUKEE BE
LIABLE FOR ANY INCIDENTAL, SPECIAL, CONSEQUENTIAL OR PUNITIVE DAMAGES, OR FOR ANY COSTS,
ATTORNEY FEES, EXPENSES, LOSSES OR DELAYS ALLEGED TO BE AS A CONSEQUENCE OF ANY DAMAGE
TO, FAILURE OF, OR DEFECT IN ANY PRODUCT INCLUDING, BUT NOT LIMITED TO, ANY CLAIMS FOR LOSS
OF PROFITS. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSE-
QUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY
IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS WARRANTIES, WRITTEN OR ORAL. TO THE EXTENT
PERMITTED BY LAW, MILWAUKEE DISCLAIMS ANY IMPLIED WARRANTIES, INCLUDING WITHOUT LIMITATION
ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE; TO
THE EXTENT SUCH DISCLAIMER IS NOT PERMITTED BY LAW, SUCH IMPLIED WARRANTIES ARE LIMITED TO
THE DURATION OF THE APPLICABLE EXPRESS WARRANTY AS DESCRIBED ABOVE. SOME STATES DO NOT
ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE ABOVE LIMITATION MAY NOT
APPLY TO YOU, THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND YOU MAY ALSO HAVE OTHER
RIGHTS WHICH VARY FROM STATE TO STATE.
This warranty applies to product sold in the U.S.A. and Canada only.
Please consult the ‘Service Center Search’ in the Parts & Service section of MILWAUKEE’s website
www.milwaukeetool.com or call 1.800.SAWDUST (1.800.729.3878) to locate your nearest service facility for warranty
and non-warranty service on a MILWAUKEE Cordless Battery Pack.