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6

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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 battery packs when not in 
use. No battery pack damage will occur, however, if 
the charger and battery pack are left plugged in.

Li-Ion Charging Status

Battery Pack 
Temperature

Red Charger 
Indicator Light

Charging Status

Too Hot
Normal Range
Too Cold

Flashing
Continuous
Flashing

Not charging
Normal charging
Not charging

• 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. 
Remove the pack and 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 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 fl ashing indicator light on the charger indi-
cates that the battery pack temperature is outside 
the charging range. Once the pack is within the 
acceptable range, normal charging will take place 
and the red light will be continuous. Hot or cold 
battery packs may take longer to charge.

WARNING 

To reduce the risk of injury,

  

 always unplug the charger and re-

move the battery pack from the charger before 
performing any maintenance. Never disas-
semble the battery pack or charger. Contact 
MILWAUKEE 
service facility for ALL repairs.
To reduce the risk of injury and damage, never 
immerse your battery pack 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 elec-
trical 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 am-
monia. Never use fl ammable or combustible solvents 
around battery packs, charger, or tools. 

Repairs

The 

MILWAUKEE

 Li-Ion charger has no service-

able parts. 

AC/DC Charger (Cat. No. 2710-20)

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. 

CHARGER OPERATION

WARNING 

Charge only MILWAUKEE

  

 Lithium-Ion battery packs in the 

MILWAUKEE  Li-Ion Battery Charger. Other 
types of batteries may cause personal injury 
and damage. Battery pack and charger are 
not compatible with V
™-technology or NiCd 
systems. 
To reduce the risk of electric shock, do not 
allow water to fl ow into AC/DC plug. 

A

B

When to Charge MILWAUKEE  Li-Ion Battery 
Packs

Remove the battery pack from the tool for 
charging when convenient for you and your job. 

MILWAUKEE 

battery packs do not develop a 

"memory" when charged after only a partial dis-
charge. It is not necessary to run down the battery 
pack before placing it on the charger. 
• Use the Fuel Gauge 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 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

Place the battery pack onto the bay by sliding the 
pack on from the top of the bay. The red light will 
turn on, either fl ashing (pack is too hot or cold) or 
continuous (pack is charging). 
• A fully discharged pack with an internal tempera-

ture between 32°F and 104°F will charge in 30-Min 
or 1-Hour, depending on the battery pack. 

• Heavily cycled battery packs may take longer to 

charge completely. 

• The Fuel Gauge lights on the battery pack are 

displayed as the pack is being charged, indicating 
how fully charged the pack is. 

• After charging is complete, the continuous green 

light will turn on and the fuel gauge will turn off.

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.

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