Internet #203806666

Model # 48-11-1820

Store SKU #388260

Store SO SKU #1000318554

0045242288755

Milwaukee

M18 18-Volt Lithium-Ion 2.0 Ah Compact Battery

  • Compatible With All M18 Power Tools
  • Fuel gauge onboard: Displays remaining runtime
  • Delivers long life and run time with fade-free power
$ 79 00
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Frequently Bought Together

Frequently Bought Together

Product Overview

  • Compatible With All M18 Power Tools
  • Fuel gauge onboard: Displays remaining runtime
  • Delivers long life and run time with fade-free power
Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The Milwaukee 48-11-1820 M18 REDLITHIUM 2.0 Compact Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 2.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F/-18C. Its compact, lightweight design fits in tight work spaces and reduces user fatigue. Managed by Milwaukee's exclusive Redlink Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Switch to the REDLITHIUM 2.0 Compact Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18 cordless tools.
  • Best-in-class construction: offers long-lasting performance and durability
  • Integrated weld frame
  • Cell separator
  • Impact and vibration protective rubber
  • Versatility: powers more than 40 Milwaukee M18 cordless power tools
  • REDLINK intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Fuel gauge onboard: displays remaining runtime for less downtime on the job
  • All-weather performance: delivers fade-free power in extreme jobsite conditions
  • Compatible with all M18 chargers
  • Includes: (1) 48-11-1820 M18 REDLITHIUM ion 2.0 Ah 18-volt compact battery
  • Click here for more information on Electronic Recycling Programs

Product Overview

  • Compatible With All M18 Power Tools
  • Fuel gauge onboard: Displays remaining runtime
  • Delivers long life and run time with fade-free power
Model #: 48-11-1820
Sku #: 388260
Internet #: 203806666

Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The Milwaukee 48-11-1820 M18 REDLITHIUM 2.0 Compact Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 2.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F/-18C. Its compact, lightweight design fits in tight work spaces and reduces user fatigue. Managed by Milwaukee's exclusive Redlink Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Switch to the REDLITHIUM 2.0 Compact Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18 cordless tools.

  • Best-in-class construction: offers long-lasting performance and durability
  • Integrated weld frame
  • Cell separator
  • Impact and vibration protective rubber
  • Versatility: powers more than 40 Milwaukee M18 cordless power tools
  • REDLINK intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Fuel gauge onboard: displays remaining runtime for less downtime on the job
  • All-weather performance: delivers fade-free power in extreme jobsite conditions
  • Compatible with all M18 chargers
  • Includes: (1) 48-11-1820 M18 REDLITHIUM ion 2.0 Ah 18-volt compact battery
  • Click here for more information on Electronic Recycling Programs

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Key Features

Product Overview
Key Features
  • Compatible With All M18 Power Tools
  • Fuel gauge onboard: Displays remaining runtime
  • Delivers long life and run time with fade-free power
Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The Milwaukee 48-11-1820 M18 REDLITHIUM 2.0 Compact Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 2.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F/-18C. Its compact, lightweight design fits in tight work spaces and reduces user fatigue. Managed by Milwaukee's exclusive Redlink Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Switch to the REDLITHIUM 2.0 Compact Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18 cordless tools.
  • Best-in-class construction: offers long-lasting performance and durability
  • Integrated weld frame
  • Cell separator
  • Impact and vibration protective rubber
  • Versatility: powers more than 40 Milwaukee M18 cordless power tools
  • REDLINK intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Fuel gauge onboard: displays remaining runtime for less downtime on the job
  • All-weather performance: delivers fade-free power in extreme jobsite conditions
  • Compatible with all M18 chargers
  • Includes: (1) 48-11-1820 M18 REDLITHIUM ion 2.0 Ah 18-volt compact battery
  • Click here for more information on Electronic Recycling Programs

Product Overview

  • Compatible With All M18 Power Tools
  • Fuel gauge onboard: Displays remaining runtime
  • Delivers long life and run time with fade-free power
Model #: 48-11-1820
Sku #: 388260
Internet #: 203806666

Delivers up to 2X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The Milwaukee 48-11-1820 M18 REDLITHIUM 2.0 Compact Battery Pack features superior pack construction, electronics and performance to deliver more work per charge and more work over pack life than any battery on the market. It offers 2.0 amp-hours of runtime. With Milwaukee durability built into each pack, this battery runs cooler and performs in climates below 0F/-18C. Its compact, lightweight design fits in tight work spaces and reduces user fatigue. Managed by Milwaukee's exclusive Redlink Intelligence, the battery features overload protection to prevent you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Switch to the REDLITHIUM 2.0 Compact Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18 cordless tools.

  • Best-in-class construction: offers long-lasting performance and durability
  • Integrated weld frame
  • Cell separator
  • Impact and vibration protective rubber
  • Versatility: powers more than 40 Milwaukee M18 cordless power tools
  • REDLINK intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Fuel gauge onboard: displays remaining runtime for less downtime on the job
  • All-weather performance: delivers fade-free power in extreme jobsite conditions
  • Compatible with all M18 chargers
  • Includes: (1) 48-11-1820 M18 REDLITHIUM ion 2.0 Ah 18-volt compact battery
  • Click here for more information on Electronic Recycling Programs

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Specifications

Dimensions

Product Height (in.)
6.77
Product Length (in.)
3.4 in
Product Width (in.)
2.75

Details

Battery Amp Hours
2.0
Battery Power Type
Lithium Ion
Charge time (min.)
20
Color Family
Red
Cordless/ Corded
Cordless
Number of Batteries Included
1
Power Tool Accessory Type
Battery
Power Tool Features
No Additional Features
Rechargeable
Yes
Returnable
90-Day
Tools Product Type
Power Tool
Voltage (volts)
18

Specifications

Dimensions

Product Height (in.)
6.77
Product Length (in.)
3.4 in
Product Width (in.)
2.75

Details

Battery Amp Hours
2.0
Battery Power Type
Lithium Ion
Charge time (min.)
20
Color Family
Red
Cordless/ Corded
Cordless
Number of Batteries Included
1
Power Tool Accessory Type
Battery
Power Tool Features
No Additional Features
Rechargeable
Yes
Returnable
90-Day
Tools Product Type
Power Tool
Voltage (volts)
18

Questions & Answers

How many times can you recharge this battery. Can't find this spec anywhere.

How many times can you recharge this battery. Can't find this spec anywhere.
Asked by: Waiting
You can hold down the button on the battery till it starts to flash and there is a code that tell you how many cycle that battery has gone through. The code i looked it up but that was a long time ago and cant remember where.
Answered by: Dircon75
Date published: 2018-11-26

Can the M18 18-VOLT LITHIUM-ION XC 5 AH EXTENDED CAPACITY BATTERY be charged on any M18 18-volt lithium charger?

I have several Milwaukee drill motors that came with M18 Lithium-ion chargers. I don't want to purchase another charger if the ones I already have will charge the 5.0 Ah battery.
Asked by: Goldchucker
Thats what I use for mine, works great.
Answered by: Patrick
Date published: 2018-11-16

Will this fit into m18 vacuum?

Example: I have looked at the manual and can't figure out what I did wrong.
Asked by: Eric
Yes. working very fine. 35 minutes with full battery in 0880-20 vac.
Answered by: SUB75
Date published: 2017-11-11

Can u use lithium on older 18v tools??

Can u use lithium on older 18v tools??
Asked by: Will
No
Answered by: purple
Date published: 2018-08-04
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Customer Reviews

M18 18-Volt Lithium-Ion 2.0 Ah Compact Battery is rated 4.7 out of 5 by 1605.
Rated 5 out of 5 by from Long Lasting and gets the job done. I'm a maintenance manager and my teams use theses batteries... Long Lasting and gets the job done. I'm a maintenance manager and my teams use theses batteries all day every day and they get the job DONE!
Date published: 2019-06-25
Rated 5 out of 5 by from Truly an amazing product love the quick charging charger that... Truly an amazing product love the quick charging charger that I got as well
Date published: 2019-07-02
Rated 4 out of 5 by from CHECK the manufacture date on the top of the battery when you buy any tool or battery. For instan... CHECK the manufacture date on the top of the battery when you buy any tool or battery. For instance mine said 140227R. The first four digits indicate 2 for year, 2014 and two for the week in the year. For my example week 02. I bought my Milwaukee set around Christmas 2016 at Home Depot. So yes the 2 drill package had batteries that were 2 years old when I purchased the package. If I had known this I would have taken them back as they have a 3 year warranty. The batteries charge fast and run strong but I only got about 50 charge cycles since I am a light user of these tools, or roughly $1.39 cost per charge. Using the 2014 manufacture date they actually lasted slightly over 4.5 years. However, both failed completely within one week. Sounds like planned failure to me. I still have some old NICAD battery packs from a different drill that are nearly 12 years old and still work. Progress? So check your dates of manufacture.
Date published: 2018-12-28
Rated 2 out of 5 by from The drill is great, replacing bad battery under warranty is difficult I have 2 of these batteries and one has has already gone bad after 7 months of only occasional use. I charge it until the green light comes on indicating full charge, but then it goes dead again in about 5 minutes of use. I'm sending it to Milwaukee's service center for testing and replacement under warranty. 1 bad battery out of two isn't a very good average and I'm disappointed by it's short life. I'm also disappointed by the hassle of having to ship it off to a Milwaukee service center in another city, and then wait for knows how long to get a replacement. In my opinion that's a poor policy for replacing a defective product instead of just being able to get a replacement at the local Home Depot where I bought it, as I have done with other good brand name products that failed while still under warranty. Hopefully Milwaukee will at least honor the warranty and the replacement battery will be OK. If if is I will be satisfied even if getting it replaced is time consuming and irritating. The drill itself is great, and if the battery problem works out OK I will be satisfied with the overall tool & battery package.
Date published: 2012-10-05
Rated 4 out of 5 by from I have other milwaukee tools that I am very impressed... I have other milwaukee tools that I am very impressed with and the only problem with my recent purchase is the impact driver had some small plastic pieces fall out of the brush end to the tool after about three hours of use. The tool still works but sometimes I think small pieces still in the tool jams the trigger keeping it from working. I think the small pieces may be from a cooling fan maybe that came apart because like i said it is still usable but doesn't work completed as it should. would be nice if I could exchange it for another or send it in for repairs. I do think the m18 line is very good line of tools other than this one problem.
Date published: 2019-09-10
Rated 1 out of 5 by from Light is great. However, the extra 5.0 Ah battery included with the kit will not slide into the c... Light is great. However, the extra 5.0 Ah battery included with the kit will not slide into the charger or slide into many of my M18 tools. Not a problem with the latches on the battery -- you have to hold the latches in and simultaneously pry the battery out of the charger or tool with a screwdriver. The 9.0 Ah battery is fine. Returned the battery only to get another bad one in exchange. Will have to use a Dremel on that battery to narrow down the top flange by about 1/16". (I guess that's why Milwaukee is giving away the extra 5.0 Ah battery as part of many special deals.)
Date published: 2019-09-04
Rated 5 out of 5 by from More Capacity, Same Size! This new 6Ah battery is a great step up for Milwaukee's XC battery form factor. It offers 20% more run time than the 5Ah, for about a 15% price bump. Plus, at 26.5 oz, it's only 3% heavier than the 5Ah, and exactly the same size. I did a run time test with the M18 Rocket Light, and got 177 minutes of run time on high with this 6Ah battery, which scales linearly with the run time I got out of the 5Ah battery. I didn't time how long it took for the regular M12/M18 charger, but the Rapid Charger took between 60 and 68 minutes to bring the empty 6Ah battery to a full charge. The only downside is that since this is a 108Wh battery, it's apparently banned from being transported on ships and aircraft. The packaging had a warning saying this restriction applied to any batteries over 100Wh. So if you travel with your M18 tools, you'll want to stick with the 5Ah. Otherwise, I'd definitely go with the new 6Ah if you're looking at buying some spares.
Date published: 2016-12-01
Rated 5 out of 5 by from the battery lasts a long time, surprised me since I was using it in a grinder, and my grinder ten... the battery lasts a long time, surprised me since I was using it in a grinder, and my grinder tends to go thru batteries pretty quick. For some reason when its done charging, the lights on my old charger flash red and green, that usually happens within a couple minutes of putting the battery in the charger if the battery is bad. This battery charges up fine and holds a charge for a long time.
Date published: 2019-07-05
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