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Overview

Model # 48-11-1812 Store SKU # 1001129754

The M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack provides 50% more power and runs 50% cooler vs M18 REDLITHIUM HD battery packs. The massive increase in power elevates the performance of the entire M18 system and drives the next breakthrough in M18 FUEL, delivering the power of 15A corded product. It delivers fade free power and runs substantially cooler through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. The M18 REDLITHIUM HIGH OUTPUT HD12.0 is the best performing cold weather pack ever made, providing increased power in extreme cold weather conditions (below 0F / -18C). It provides the most work per charge of any professional power tool battery in the industry, driving full corded replacement on the jobsite. The REDLITHIUM HIGH OUTPUT HD12.0 battery is fully compatible with 150+ M18 solutions.

  1. REDLINK Intelligence: Our battery circuitry provides optimized performance and overload protection using total system communication between tool, battery and charger
  1. Best-in-class construction: Offers long-lasting performance and the best protection against jobsite, weather and environmental conditions
  1. Fuel gauge onboard: Displays remaining run-time
  1. Versatility: Powers all 250+ M18 cordless solutions
  1. Compatible with all M18 tools
  1. Includes: (1) M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack (48-11-1812)

Specifications


Power Tool Accessory Type

Power Tool Batteries


Charge Time (min)

90


Power Tool Accessory Features

Universal


Battery Capacity (amp-hour)

12


Voltage (volts)

18


Battery Platform

Milwaukee M18

Dimensions

Assembled Depth (in inches)
5.99
Assembled Height (in inches)
3.89
Assembled Weight (in lbs)
3.4
Assembled Width (in inches)
3.38
Packaged Depth (in inches)
3.54
Packaged Height (in inches)
8.07
Packaged Weight (In lbs)
3.9
Packaged Width (in inches)
7.48

Details

Battery Capacity (amp-hour)
12
Battery Platform
Milwaukee M18
Battery Power Type
Lithium Ion
Charge Time (min)
90
Country of Origin
CN-China
Power Tool Accessory Features
Universal
Power Tool Accessory Type
Power Tool Batteries
Voltage (volts)
18

Warranty / Certifications

3 Year Warranty. For more information please call 1-877-948-2360.
M18 18V Lithium-Ion High Demand (HD) HIGH OUTPUT 12.0 Ah REDLITHIUM Battery PackMilwaukee Tool M18 18V Lithium-Ion High Demand (HD) HIGH OUTPUT 12.0 Ah REDLITHIUM Battery PackThe M18 REDLITHIUM HIGH OUTPUT HD12.0 Battery Pack provides 50% more power and runs 50% cooler vs M18 REDLITHIUM HD battery packs. The massive increase in power elevates the performance of the entire M18 system and drives the next breakthrough in M18 FUEL, delivering the power of 15A corded product. It delivers fade free power and runs substantially cooler through heavy applications, allowing tradesmen to push their cordless tools harder and longer than ever before. The M18 REDLITHIUM HIGH OUTPUT HD12.0 is the best performing cold weather pack ever made, providing increased power in extreme cold weather conditions (below 0F / -18C). It provides the most work per charge of any professional power tool battery in the industry, driving full corded replacement on the jobsite. The REDLITHIUM HIGH OUTPUT HD12.0 battery is fully compatible with 150+ M18 solutions.
Milwaukee Tool
1001129754
CAD2982024-07-20
The Home Depot Canada
M18 18V Lithium-Ion High Demand (HD) HIGH OUTPUT 12.0 Ah REDLITHIUM Battery Pack is rated 4.0 out of 5 by 1234.
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Rated 2 out of 5 by from Batteries were impressive at first. I got my 12 Amps 2 years ago, same thing as other are saying, stops charging at 3/4 full and my new 6amps seem to whole charges longer on the 7 1/4 circ saw. My two 9amps won't even charge anymore and they are just out of warranty. Seems like my Milwaukee platform is turning into an expensive investment instead of an asset. I'm 90% Milwaukee battery platform and am disappointed with the low life on the batteries.
Date published: 2023-07-06
Rated 1 out of 5 by from Another brick in the wall I bought the battery 2 years ago, barly used it since it’s so heavy. Might have maybe 25-30 hours run time on it or less. Slammed it in my Milwaukee weedwacker and it stopped functioning after 10 minutes at full charge. Checked batt gauge and it was at 3 bars left. Started working only in very short bursts then won’t function again for 20 minutes for 10 more. My 6 year old 5A batt now out preforms this massive pile of e waste!
Date published: 2023-08-14
Rated 1 out of 5 by from A failure of a battery. When 1st bought the 12.0 it worked great. So I bought more. Have about 6. Then the problems started. Same as most other reviews. Discharges too fast. Put it on the charger and 3 bars show up. Obviously faulty cells. Can't replace any on warranty because there are none available. Milwaukee knows the problem but have failed to help anyone. Very disappointed. I now have 3-12.0s sitting on the shelf gathering dust.
Date published: 2022-01-23
Rated 1 out of 5 by from Battery no longer charges in 2nd year of light use I bought my Milwaukee chainsaw 2 years ago and it came with the M18 HD12.0. It was a great battery the first summer. Now, like so many reviews have attested to, it no longer charges properly. I have been building up my Milwaukee tool collection based on shared batteries, and this is by far the most expensive battery I own. I hope there is warranty on this. I am deeply disappointed in this battery.
Date published: 2023-10-24
Rated 1 out of 5 by from Dud I received this battery with a 7” circular saw as a retirement gift. After a year it would not keep its charge. When you put it in the charger it shows as fully charged but when you connect it to the saw it’s dead. My 9 amp is way better than the 12amp.
Date published: 2023-07-14
Rated 1 out of 5 by from Bad product Very disappointed with this product, it looks like most people have the same issue. It charger only to 3 bars and the charger shows that it is full and won’t hold the charge. I do not recommend this product at all.
Date published: 2023-07-14
Rated 1 out of 5 by from Flashing red/green after less than 20 charges Have had this battery for ~ 2 years ‘. Use it on chainsaw and leaf blower SPORADICALLY because my woodshed is still half full and I mulch leaves with a mower. In short it has been used VERY little. Put in on the charger two days ago and the lights indicate it is “broken “. This is a very expensive battery for such a short life!!!
Date published: 2023-10-21
Rated 1 out of 5 by from Battery casing too weak with vibrating tools The battery casing broke in half while using with the Hackzall M18 fuel. The top part seperated itself from the bottom part. The battery is still working, but I can't use it anymore since the casing is detached from it. It feels like the casing cannot handle the weight of such a big battery inside it. Went to my local dealer and they told me they couln't repair it...
Date published: 2023-10-11
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