Model # 48-11-1815

Internet #202043811

Store SO SKU #388260

Milwaukee M18 18-Volt Lithium-Ion Compact Rechargeable Battery
0045242043507

Milwaukee

M18 18-Volt Lithium-Ion Compact Rechargeable Battery

  • Best-in-class construction: long-lasting performance & durability
  • Fuel gauge onboard: Displays remaining runtime
  • Part of the M18™ System, featuring over 125+ tools
$69.00 /each

Frequently Bought Together

Product Overview

The M18 18-Volt Lithium-Ion Compact Rechargeable Battery delivers more run time, power and speed than standard lithium-ion batteries. This REDLITHIUM battery was designed with best-in-class pack construction, technology and performance for optimal work per charge and work over pack life. Use this 27-watt-hour battery to power more than 40 Milwaukee M18 cordless power tools. This versatility saves you money.

  • 1.5 Ah of run time
  • Lithium-ion battery for longevity and fade-free power
  • Equivalent run time with 40% less weight than an 18-Volt NiCd battery
  • Onboard fuel gauge that shows the remaining run time, enabling you to adequately prepare for projects and have less downtime on the job
  • REDLINK intelligence overload protection that prevents you from accidentally damaging your tools during heavy duty applications
  • Temperature management system to keep the battery in an ideal range, helping extend its life
  • Individual cell monitoring that ensures optimal charge and discharge
  • Compact, lightweight design that fits into tight workspaces and reduces user fatigue
  • All-weather performance that gives fade-free power in extreme job site conditions
  • 2-year manufacturer warranty
  • Charger sold separately
  • Compatible with chargers M18/M12 multi-voltage (48-59-1812), M18 AC/DC (2710-20)
  • Up to 40% more run-time
  • Redlink intelligence: provides optimized performance and overload protection using total system communication between tool, battery and charger
  • Versatility: powers more than 40 Milwaukee M18 cordless power tools
  • All-weather performance: delivers fade-free power in extreme jobsite conditions
  • Compatible chargers: M18/M12 multi-voltage (48-59-1812), M18 AC/DC (2710-20)
  • Includes: (1) 48-11-1815 M18 red lithium-ion 18-Volt compact rechargeable battery
  • Click here for more information on Electronic Recycling Programs

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Customer Questions & Answers

4 Questions5 Answers

Customer Questions & Answers

M18 18-Volt Lithium-Ion Compact Rechargeable Battery
M18 18-Volt Lithium-Ion Compact Rechargeable Battery

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2 answers

which tools will this battery work in

This question is from M18 18-Volt Lithium-Ion Compact Rechargeable Battery
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home shopper
July 4, 2013
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Asked by
Morris, illinois
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May 15, 2014
Answer: 
Milwaukee 18 volt (lithium ion) 1/2" compact driver drill
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July 8, 2013
Answer: 
The 48-11-1815 Milwaukee® M18™ Compact REDLITHIUM™ Battery is compatible with any of the 40+ Milwaukee® M18™ Tools. Please visit www.MilwaukeeTool.com or call 1-800-SAWDUST for more information about the full listing.
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1 answer

Does it come charged?

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February 17, 2016
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Answer (1)

February 24, 2016
Answer: 
The battery will usually have about a 50% charge when it is taken out of the package.
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1 answer

Weight

This question is from M18 18-Volt Lithium-Ion Compact Rechargeable Battery
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Bristow, VA
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January 1, 2016
How much does the compact battery, 48-11-1815, weigh?

How much does the 2.0 battery weigh?
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Answer (1)

January 4, 2016
Answer: 
The compact M18 1.5 AH REDLITHIUM battery weighs 1 pound while the M18 2.0 AH REDLITHIUM battery weighs 1.1 pounds.
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1 answer

How many amps does an 18 volt battery for a Milwakee circular saw model # 6310-20 have?

This question is from M18 18-Volt Lithium-Ion Compact Rechargeable Battery
Asked by
Fanman
RI
January 10, 2013
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Answer (1)

January 10, 2013
Answer: 
Hi Fanman, the battery you're asking about has a 1.5 amp hour run time. the 48-11-1828 is the long run time battery. It has 3.0 amp hour run time.
These batteries are rated by amp hour, and not by amps needed to power a tool.
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Customer Reviews

M18 18-Volt Lithium-Ion Compact Rechargeable Battery is rated 3.0 out of 5 by 22.
Rated 5 out of 5 by from Cant beat Milwaukee! I have several Milwaukee M18 tools, (purchased from HD) and I have not found fault with any of them. This small, light weight battery only adds to the versatility of the tools. It is designed not to fit the larger M18 tools like the 6.5 inch saw, but for work in tight places it is perfect with the smaller tools. I have 2 of the larger batteries for the heavy tools. This works well with the drill and the impact driver and the work light, don't let the smaller size fool you, it will stay with you all day for for tight place work. Like I said you cant beat Milwaukee! willway
Date published: 2010-10-06
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 2 out of 5 by from Overpriced & very short life You'll be very lucky to get two years out of these batteries. I have had 4 fail within three months of the expiration (two years from date of purchase - assuming you keep your receipt). If you end up with these - KEEP YOUR RECEIPT.
Date published: 2012-01-12
Rated 2 out of 5 by from Great drill but batteries don't measure up to hype! Have 2 lithium ion batteries with charging system. Batteries have charge indicators on them. Battery charger says batteries are at full charge but when placed on drill the indicators on batteries show only 1-2 lights and can't even screw in one screw before dead battery. At the price of this system the quality of battery is less than desirable. $80-100+/battery - really!!!
Date published: 2014-05-15
Rated 1 out of 5 by from M18 Red Lithium Battery short lived Battery does not last long. Use it occasionally several times a year but battery quit charging after about 6 mos. Did not abuse it.
Date published: 2016-02-12
Rated 4 out of 5 by from I like the charge status LED lights. Great little battery and it serves it's purpose, but I expected too much. I'm a commercial electrician with heavy use on cordless drills. I love the compact feel but it just doesn't have the endurance especially for use with hole saws. I now have to purchase the full size M18 REDLITHIUM?XC battery pack.
Date published: 2011-11-11
Rated 1 out of 5 by from poor Two of these came with my drill kit. Used the drill several times around the house. One of the batteries died after being used less than 3 or 4 times, All the lights are dead, and the charger indicates a full charge, so it will not charge. So now I am stuck with a good drill and one battery that I have no faith in. Will not spend a bunch of money to replace it.
Date published: 2014-06-23
Rated 5 out of 5 by from best 18 volt tool battery ever!!!!!!!! best battery I have used for tools. Once again millwaukee makes a great product. I would buy again if I needed another m18 battery. I highy recomend this battery.
Date published: 2015-03-06
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