Milwaukee's New M12 XC5.0 High Output vs Stuffing Actual 21700 Cells Inside

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Let's test Milwaukee's all new M12 High Output XC5.0 battery 48-11-2450, is it any better than Milwaukee higher capacity batteries like XC6.0? We think so, but maybe not for the reason they advertise most.

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Torque, who started TTC, is working in product development for Astro Tools. TTC is not the only testing out there, always consider multiple sources when looking at a tool!
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Correction, the M12 BMS is on the tool (we didn't wire these things). With all the ideas about juicing up custom battery packs, I would suggest sticking with M18's (or your platform's equivalent) to do so. You could of course build a lithium polymer stack capable of 500 amps, but if the M12 tool's only requesting 15, it's only going to get 15. A clean straight never dropping off delivery of 15, but never any extra. 18 volt tools on the other hand range quite a bit in peak current requests.
Based on this testing it would appear the 2.5 HO would be more useful than assumed, closer to a 6 cell pack. We just had our eyes on maxing things out!

TorqueTestChannel
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haven't had an m12 battery fall out yet. Getting them out sometimes is a challenge though.

MustPassTruck
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Very cool. I almost exclusively run "Built" battery packs on my M12 tools now. 9 cell 18650 with 6.0ah and 7.5ah ratings(2000mah/2500mah cells) . There is a notable difference in power as there is virtually no voltage drop having so many cells share the load.

sixtyfiveford
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Thanks for letting me know that my M12 tools don't need the new XC5. I also appreciate knowing the battery case is the real upgrade here and not necessarily the implied 'more beans'. Much respect sir.

WayneRandall
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I knew this video was coming and I’ve been so excited to see it. However, I thought there would be a “High output” video including the HO 2.5 as well. That’s what the big story is in my opinion. XC performance in a CP pack, whats not to love? I bought the HO 2.5’s as soon as they hit my Home Depot and they most definitely pack a punch like the bigger batteries do. I really hope you’ll be doing a video comparing the HO2.5 to the XC6.0 soon

clone
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You fellas have come so far with editing and just overall awesomeness. Love the channel. Keep up the great work.

mikemuzzell
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I wish you tested the HO CP 2.5 vs a standard XC battery. I would be interested to see if a CP 2.5 would make the same max torque as an XC battery. We already know the XC batteries give a bit more max torque than the current CP batteries but I wonder if the smaller CP 2.5 can give us the 250 ftlbs in a smaller form factor.

maximusmagni
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Great Video! You are correct the M12 BMS is on the tool. Also the M18 overdischarge protection is in the tool too, and not on the battery. I've repaired a fair bit of Milwaukee stuff.

BuyitFixit
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I’ve been curious and patiently waiting for a test on these batteries! Thankyou for your time and effort in your videos .

paulw
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Since when did M12 batteries fall out randomly? All of us in our diesel shop use them literally every day and never seen or even thought of this happening. Heck, I have trouble removing them sometimes.

cesarpalmos
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It'd be neat if they made a battery with 3x 18650 in the grip and 3x 21700 in the box below!

agentmango
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I use m12 stuff a bunch and am really happy you did this. Time to see if I can get an older xc cheap now!

awwwshucks
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I think the problem you're running into here is that there's going to be a limit to The current that the motor will draw no matter how much available current there is. The ESC can also be limiting factor. The tools you're testing are probably built specifically to make maximum power with the largest battery that they had at the time and they just simply can't take advantage of the additional output.
25% theoretical additional output only works if the tool can actually take advantage of it

DoRC
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TTC! Thank you so much for the video, this helps me understand what I bought! I really wish I had watched before, but I thankfully didn’t make a mistake!

The.BroBrigade
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Funny information, the Milwaukee M12 can be used to power a Traxxas Bandit VXL up to like 50 mph in my experience, but I am under geared for off-road use. I use the little 3 cell unit, as it fits in the car. My speed controller gets really hot, and so does the battery, however, I have no cooling. Good for about 20 minutes of use before a recharge, for $20 it sure beats the $200 Traxxas batteries.

uhoh
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Like you said the battery is supplying the amperage that is being requested so even hooking it up to a car battery won't make a difference, you want an increase in voltage not amps, I just put a matco 16v battery on my Milwaukee right angle and it's insane, it took alot of work though, the shape of the battery was the same but the polarity was reversed and I had to do some hackery to make the battery tabs lock in properly, totally worth it though

ragdolltrucking
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The M12 cells appear to connect directly to the tool through a fusible link. The main protection appears to be a thermistor in the pack that connects to the tool. If a 6 cell pack is converted to three 21700 cells and the connections are the same the pack might be safe to use. The standard capacity of 21700 cells is 5.0 Ah so the pack would not be expected to give longer runtime than the new 5.0 Ah High Output pack.

SuperMurrayb
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I think the tools this is going to have the greatest affect on are likely the chainsaw, bandsaw, sawzall, and the cutoff tool.
All of these tools in my experience do well when used properly but always suffer a little bit when I try to push them. I’d think something like this would allow me to push them just a little harder making me just that much happier with them.

jeremiahmiller
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Good to heard they're trying something to strengthen the tabs. I have an older XC battery that I've replaced the case of twice and still the tabs broke.

Great info and cool videos, thanks to the Torque Test Channel Team

dlcarburetor
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I have m12 and m18 tools. I bought m12 to use where I new I didn't need as much power or battery life but needed the smaller package of the CP3.0 to fit in tight spots such as my screw gun, drill, angle drill and 3/8" ratchet but I do have an M18 1/2" drill also. My 3/8" and 1/2" mid torque impacts are M18. I tried to fit the tool to how I would normally use it and have been happy with what I have purchased. Impacts, ratchet and drills are used daily with the rest of them at the very least once a week and have had no battery clip problems but the drill chucks suck. I intend to replace the chucks with Jacobs chucks with hopes they are still as good as the old days.

garyradtke