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Model #48-59-2442SP

Store SKU #1005401372

M12 12-Volt Lithium-Ion Starter Kit with Two 4.0 Ah Battery Packs and Charger

  • Compatible with all M12 power tools & batteries
  • Delivers long life and run time with fade-free power
  • Lithium-ion battery is smaller and lighter than NiCd batteries
  • See More Details

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Product Overview

The MILWAUKEE M12 REDLITHIUM XC4.0 Starter Kit includes two M12 REDLITHIUM XC4.0 Batteries (48-11-2440) and an M12 Charger (48-59-2401). The M12 REDLITHIUM XC4.0 batteries deliver up to 2X more runtime, 20% more power, and 2X more recharges than standard lithium-ion batteries. The Milwaukee lithium-ion battery packs feature superior pack construction, electronics, and performance, giving users more work per charge and more work over pack life than any battery on the market. Each M12 Battery is durably built for heavy-duty use, runs cooler, and performs in climates below 0°F/-18°C. Their compact, lightweight design allows users to work in tight workspaces and reduces fatigue. Built-in REDLINK Intelligence protects the batteries from overloads, preventing users from damaging their cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. An integrated temperature management system and individual cell monitoring help maximize battery life. This M12 Battery and Charger Kit is fully compatible with the M12 System.
  • Compatible with all M12 power tools
  • Delivers long life and run time with fade-free power
  • Lithium-ion battery is smaller and lighter than NiCd batteries
  • Superior construction offers long-lasting performance and durability
  • Redlink Intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Superior pack construction, electronics, and performance deliver more work per charge and more work over pack lifespan than any battery on the market.
  • Part of the M12 System - Powers more than 100+ M12 cordless solutions
  • 5 year charger warranty
  • 3 year battery warranty
  • (2) M12 4.0AH Battery (48-11-2440); (1) M12 Charger (48-59-2401); contractor bag






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Info & Guides

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Specifications

Dimensions

Product Height (in.)
11.1 in
Product Length (in.)
4.02 in
Product Width (in.)
17.44

Details

Battery Amp Hours
4.0
Battery Power Type
Lithium Ion
Charge time (min.)
40
Charger Included
Charger Included
Color Family
Black
Cordless/ Corded
Cordless
Number of Batteries Included
2
Number of Total Batteries Included
2
Power Tool Accessory Type
Battery/Charger Set
Power Tool Features
No Additional Features
Rechargeable
Yes
Returnable
90-Day
Tools Product Type
Power Tool
Voltage (volts)
12

Questions & Answers

12Questions22Answers

does this has the new warranty

Asked by richard September 21, 2020
1
Answer

Hi Richard! Our M12 12-Volt Lithium-Ion Starter Kit with Two 4.0 Ah Battery Packs and Charger (48-59-2442SP) has a 5 year charger warranty and a 3 year battery warranty.

No information about charger input power is it available at 220v, 50 hz

Asked by Mohaned September 2, 2020
0
Answers

If the xc batteries do not give a power increase to the tool why doesn't Milwaukee make a high ou...

Asked by Comrade January 6, 2019
0
Answers

Does this battery provide enough weight to allow the drill and impact driver to stand up on the b...

Asked by kerick913 November 11, 2017
5
Answers

Yes it does

Is the charger included in this price, or must it be purchased separately?

Asked by Dan December 25, 2016
4
Answers

it must be purchased seperately

had battery over a year and batteryb to hold in tool broke is that free replacement

Asked by 40356 April 28, 2016
2
Answers

No

I just bought a hackzall with a rounded base battery (2.0 ah?) and a charger. My question is, is XC 4 AH compatible with my charger & hackzall?

Asked by Santi460 March 26, 2016
2
Answers

Yes, with both. This and any Milwaukee M12 battery can be used in any tool in the M12 lineup, and charged in any of the Milwaukee M12 chargers.

What's the weight of this battery?

Asked by Robert August 26, 2015
2
Answers

08

Does the XC battery allow tools to operate at higher torque?

Asked by Doresoom January 22, 2015
4
Answers

https://www.reddit.com/r/MilwaukeeTool/comments/curtfb/m12_battery_power_personal_experience_question/?sort=old

Is the current output higher than the 2 Ah compact version?

Asked by Doresoom January 19, 2015
2
Answers

Yes, the two sets of cells in parallel allow for more current to discharge without the battery heating up as quickly. The M12 and M18 FUEL lines of tools all take advantage of this design feature for increased performance.

M12 12-Volt Lithium-Ion Starter Kit with Two 4.0 Ah Battery Packs and Charger - page 2

Customer Reviews

  • 4.7
    out of 233 reviews
  • 98% recommend this product
Filter by:
Showing 1-10 of 233 reviews
good battery for the higher powered m12 tools and nice bag
nice not having to change out the typical 2ah batteries twice as frequently compared to the 4ah units. never hurts having more bags. I like to use them for less used tools to make easy to grab "kits" for when they are needed
by JR3HP
1 person found this helpful
Amazing Battery
The M12 Redlithium batteries are pretty amazing, and these 4.0Ah XC batteries seem to pack an extra punch in addition to their longer run time. They charge very quickly too. I had been using the standard 1.5Ah compact batteries with my M12 tool lineup, and finally got a hold of one of these 4.0Ah extra capacity batteries. The big boost in run time was the obvious bonus, but since I've heard that the XC batteries can supply certain Milwaukee tools with more power, I thought I'd run some experiments to verify the speculation. The idea makes sense in theory: more cells connected in parallel allow for more current to be discharged without the tool overheating as quickly. More current draw equals more power. The first test I ran was with my M12 5-3/8" circular saw. I took a sheet of 1/2" MDF, and purposefully wavered my cut line while I was ripping it. I stalled the tool while using the M12 compact battery, but only bogged it down while using the M12 extra capacity battery. Keep in mind that this was a very unscientific test, since I had no way of measuring the amount of torque I was applying to the handle in my attempts to get the blade to bind. The second test I ran was with my M12 1/4" FUEL impact driver. I drove a 1/4"x4" lag bolts into the end grain of a 2x4 and timed how long it took each run with the different batteries. I attempted to just let the weight of the tool drive the lag bolts, rather than pushing down on it, since I figured it would be more consistent. The XC batteries are around twice the weight of the CT ones, so that may have played into the driving speeds a minimal amount. I repeated the test four times for each battery type, and ended up with an average of 4.3 seconds for the XC battery, and 5.2 seconds for the CT battery. So both my "tests" came out in favor of the conclusion that the XC batteries supply a bit more power to the M12 tools (at least the FUEL versions). My experimental results are backed up by referencing maximum torque specifications listed on XC kits vs CT kits for the otherwise same product number tools. The extra capacity kits generally list 8-12% more torque than the compact ones. Examples include the M12 2403 drill/driver, and the M18 2604 impact hammer. Note that both of those are FUEL models, so that may play into which tools utilize the extra current output capacity.
by Doresoom
19 people found this helpful
by HomeDepotCustomer
As always, Milwaukee products always does the job for me....
As always, Milwaukee products always does the job for me.
by JV
4.0 is the perfect amount of power...
4.0 is the perfect amount of power
by HomeDepotCustomer
All is good Does what I expect But who's fault is it when it took for ever to show up At least a ...
All is good Does what I expect But who's fault is it when it took for ever to show up At least a month Milwaukie or home depot
by Jud
Nice strong battery, holds charge well, charges fast!...
Nice strong battery, holds charge well, charges fast!
by JAMES
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
by HomeDepotCustomer
Great item fast shipping nothing was damaged at all...
Great item fast shipping nothing was damaged at all
by DENNIS
I am very happy with the XC 4.0 A/hr batteries (I own 4 now). They provide increased torque and g...
I am very happy with the XC 4.0 A/hr batteries (I own 4 now). They provide increased torque and greatly extend time between charges. However, for heavy duty use such as driving lots of 3-4" deck screws or heavily oxidized and/or over-torqued automotive bolts/lug nuts, I prefer the XC 6.0 A/hr batteries.
by DOMINICK
Showing 1-10 of 233 reviews