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2-Pack Milwaukee M12 RedLithium XC 3Ah Battery Expired

$69
$129.00
+ $6.50 S&H
+26 Deal Score
18,245 Views
ACME Tools has 2-Pack Milwaukee M12 RedLithium XC 3Ah Battery (48-11-2412) for $69 after applying promo code TCC10 at checkout. Shipping is $6.49.

Thanks to Community Member MasterGamer100 for finding this deal.

Features:
  • 3.0 Amp hour - 32 watt hour battery
  • High current discharge - increased power and performance
  • Sturdy base - allows M12 tools to easily stand
  • Lithium-ion battery delivers long life and run time with fade-free power
  • For use with Milwaukee M12 cordless tools

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  • About this deal:
    • This price including shipping is $53.51 lower (41.4% savings) than the list price of $129.
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Original Post

Written by
Edited January 16, 2023 at 11:55 AM by
Lowest price I've seen for the M12 xc 3.0 2 pack of batteries

$69 (Nice!) with code TCC10

https://www.acmetools.com/m12-red...86799.html
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The difference between the XC 3.0Ah and the regular (compact) 3.0Ah M12 batteries is the number of cells. Inside these packs are lithium ion cells rated at ~4V each. The compact has 3 of them, and the XC has 6. By using twice as many cells (two sets of three in parallel) you are dividing the load between them and you get some benefits:

less heat generated
more power output
cells last longer (lifetime, not per charge)

However, since the compact battery has only 3 cells and is also 3Ah, that means the cells are better rated individually. Take from that what you will -- I don't know the what impact higher rated cells have in battery longevity or power output, but it is something to consider.

In my opinion, if you can handle the bulkier pack, you are better off getting the XCs.
·
If you feel like what I said ('my opinion') was ill-informed, I invite you to tell me what was wrong about it so that I don't make the same mistake again. 'Ah' is a rating for current over time, and is just one spec of a battery, and just like anything technical, the more you learn about it, the more you realize how not-simple it is.
·
I understand that you have a different perspective and value weight and compactness over detailed specifications, but I do not understand why this warranted you insulting me over it?
·

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Joined May 2007
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> bubble2 1,259 Posts
347 Reputation
ncsgsydn
01-16-2023 at 08:14 AM.
01-16-2023 at 08:14 AM.
How much is shipping?
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> bubble2 90 Posts
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diablokicks
01-16-2023 at 08:26 AM.
01-16-2023 at 08:26 AM.
Quote from leemaverickly :
how much is shipping?

$6.50
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HappyAccident
01-16-2023 at 08:43 AM.

Our community has rated this post as helpful. If you agree, why not thank HappyAccident

01-16-2023 at 08:43 AM.
The difference between the XC 3.0Ah and the regular (compact) 3.0Ah M12 batteries is the number of cells. Inside these packs are lithium ion cells rated at ~4V each. The compact has 3 of them, and the XC has 6. By using twice as many cells (two sets of three in parallel) you are dividing the load between them and you get some benefits:
  • less heat generated
  • more power output
  • cells last longer (lifetime, not per charge)
However, since the compact battery has only 3 cells and is also 3Ah, that means the cells are better rated individually. Take from that what you will -- I don't know the what impact higher rated cells have in battery longevity or power output, but it is something to consider.

In my opinion, if you can handle the bulkier pack, you are better off getting the XCs.
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Joined Nov 2006
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KMan
01-16-2023 at 08:55 AM.
01-16-2023 at 08:55 AM.
Quote from HappyAccident :
The difference between the XC 3.0Ah and the regular (compact) 3.0Ah M12 batteries is the number of cells. Inside these packs are lithium ion cells rated at ~4V each. The compact has 3 of them, and the XC has 6. By using twice as many cells (two sets of three in parallel) you are dividing the load between them and you get some benefits:
  • less heat generated
  • more power output
  • cells last longer (lifetime, not per charge)
However, since the compact battery has only 3 cells and is also 3Ah, that means the cells are better rated individually. Take from that what you will -- I don't know the what impact higher rated cells have in battery longevity or power output, but it is something to consider.

In my opinion, if you can handle the bulkier pack, you are better off getting the XCs.
Thanks, very helpful, but I'm still a bit confused as to how the CP 3.0Ah M12 battery can be different from XC 3.0Ah M12 battery. What does "better rated" cells mean, exactly? More boost or sustained power output, more linear sustained output, longer output, longer life, etc.? I thought that 3.0 Ah is 3.0Ah.

I can use another M12 battery or two as I have 6 M12 tools but only 5 M12 batteries, and have all the different kinds except this one and the new 2.5 & 5.0 ones.
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PurpleMitten6516
01-16-2023 at 09:02 AM.
01-16-2023 at 09:02 AM.
I know the bandfile isn't released yet, but maybe some of you have early access to one and can comment on if these batteries would be good for that tool. I'm currently M18 only, but the bandfile is going to be my first M12 tool and I will need some batteries for it, but not sure if 3AH would be sufficient or if I should wait for a higher capacity battery deal.
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Joined Jun 2018
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JonP7715
01-16-2023 at 09:18 AM.
01-16-2023 at 09:18 AM.
Quote from KMan :
Thanks, very helpful, but I'm still a bit confused as to how the CP 3.0Ah M12 battery can be different from XC 3.0Ah M12 battery. What does "better rated" cells mean, exactly? More boost or sustained power output, more linear sustained output, longer output, longer life, etc.? I thought that 3.0 Ah is 3.0Ah.

I can use another M12 battery or two as I have 6 M12 tools but only 5 M12 batteries, and have all the different kinds except this one and the new 2.5 & 5.0 ones.
Better rated would imply less voltage sag and heat loss at higher amp draws (burst or sustained or both).

It's a tradeoff with cost and capacity.
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Joined Dec 2004
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> bubble2 180 Posts
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krisma
01-16-2023 at 09:29 AM.
01-16-2023 at 09:29 AM.
FYI, TCC10 code also seems to work on other milwaukee products that I checked.
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Joined Sep 2017
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Golem20
01-16-2023 at 09:40 AM.
01-16-2023 at 09:40 AM.
Quote from PurpleMitten6516 :
I know the bandfile isn't released yet, but maybe some of you have early access to one and can comment on if these batteries would be good for that tool. I'm currently M18 only, but the bandfile is going to be my first M12 tool and I will need some batteries for it, but not sure if 3AH would be sufficient or if I should wait for a higher capacity battery deal.
i made bandfile from milwaukee m12 cut off tool using ebay kit.

ryobi is owned by same company that owns milwaukee. they have had bandfile for a few years. it is odd that milwaukee is so far behind.
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KMan
01-16-2023 at 09:41 AM.
01-16-2023 at 09:41 AM.
Quote from JonP7715 :
Better rated would imply less voltage sag and heat loss at higher amp draws (burst or sustained or both).

It's a tradeoff with cost and capacity.
Thanks. This deal is tempting but I might wait until HD runs another of their M12 tool + charger + 2 + 4Ah battery deals for $129 or so. I already have 3 chargers but $60 more for an inflator or basic blower might be worth it for me. And yes, I realize that while 2 + 4 = 2 x 3, 2 of the XC3's are probably a smarter choice than a CP2 & XC4.
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PurpleMitten6516
01-16-2023 at 09:42 AM.
01-16-2023 at 09:42 AM.
Quote from Golem20 :
i made bandfile from milwaukee m12 cut off tool using ebay kit.

ryobi is owned by same company that owns milwaukee. they have had bandfile for a few years. it is odd that milwaukee is so far behind.

I know it's a different tool, but maybe similar in the end. What size battery do you run? Have you tried a 3AH and if so does it seem to perform pretty good?
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HappyAccident
01-16-2023 at 09:47 AM.
01-16-2023 at 09:47 AM.
Quote from KMan :
Thanks, very helpful, but I'm still a bit confused as to how the CP 3.0Ah M12 battery can be different from XC 3.0Ah M12 battery. What does "better rated" cells mean, exactly? More boost or sustained power output, more linear sustained output, longer output, longer life, etc.? I thought that 3.0 Ah is 3.0Ah.

I can use another M12 battery or two as I have 6 M12 tools but only 5 M12 batteries, and have all the different kinds except this one and the new 2.5 & 5.0 ones.
By better rated I meant the cells are rated for more Ah. If they are both 3Ah and the XC has twice as many cells, then the cells in the compact would be twice as many Ah. Cells in parallel add Ah but do not add voltage, sells in series do not add Ah but add voltage..

Illustrated:

XC 3.0Ah M12 Each Cell rated [email protected]

Code:
POS  (OUT)   NEG
+               | 
|C1|-+|C3|-+|C5|-
+               | 
|C2|-+|C4|-+|C6|-
CP 3.0Ah M12 Each Cell rated 4V@3Ah

Code:
POS  (OUT)   NEG
+               | 
|C1|-+|C2|-+|C3|-
3
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Last edited by HappyAccident January 16, 2023 at 09:51 AM.
Joined Sep 2011
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bweech
01-16-2023 at 10:04 AM.
01-16-2023 at 10:04 AM.
Quote from krisma :
FYI, TCC10 code also seems to work on other milwaukee products that I checked.

Which ones? Didn't work for anything I tried.
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KMan
01-16-2023 at 10:15 AM.
01-16-2023 at 10:15 AM.
Quote from HappyAccident :
By better rated I meant the cells are rated for more Ah. If they are both 3Ah and the XC has twice as many cells, then the cells in the compact would be twice as many Ah. Cells in parallel add Ah but do not add voltage, sells in series do not add Ah but add voltage..

Illustrated:

XC 3.0Ah M12 Each Cell rated [email protected]

Code:
POS  (OUT)   NEG
+               | 
|C1|-+|C3|-+|C5|-
+               | 
|C2|-+|C4|-+|C6|-
CP 3.0Ah M12 Each Cell rated 4V@3Ah

Code:
POS  (OUT)   NEG
+               | 
|C1|-+|C2|-+|C3|-
Yeah I understand S v P v S+P, but if the CP's cells have twice as much capacity as the XC's cells, then why do they claim that the XC has extended capacity, which is what XC stands for? More likely they have more capacity per cell but not quite double? But then how does their math add up? Again, 3.0 is 3.0.

Not arguing with you, rather with Milwaukee's marketing team.
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