150% More Power : Milwaukee M12 Battery Upgrade!!
15,716
Published 2023-03-05
Link to Helping Hands: amzn.to/3ZnwHd9
Do At Your Own Risk!
Yep, I leveled up my Milwaukee M12 12v battery! And this baby kicks backside!
So in this video I show how to replace failed or damage cells in a Milwaukee M12 battery pack. I decided to create this video because my battery would not charge anymore or work in any tools. If you do it right, not only will you have a repaired pack, but possibly more power. I will walk you through the whole process to fix and repair your broken battery. I also explain the difference between 18650 battery cells and how to best select a cell for your application. In this video I replaced the Milwaukee stock Samsung 15m 3.7v with Molicel p28a cells.
Sit back, relax, and feel the power!
#KiteArmy 2023
All Comments (21)
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I know spotwelding, and I know Lithium batteries.....You Sir 🏆
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This stuff will become more and more important as more things go battery powered. Home owmers, small engine repair people, and implement dealers will want to know how to do these types of repairs/replacement especially when the warranty runs out. It will just make battery powered implements even more economical and be able to be used even further into the future.
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That success was a lot to ingest but thank goodness you made it easy to digest.
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Very informative! Thanks Andrew!
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Your math is wrong... 25 is 227% of 11. Your success was greater than you thought!
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Nice job. I’ve been building packs for a while now and for you second time, your not that bad lol!
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So, you went from a 1.5AH battery to a 2.8AH battery so much better run time. BUT also going from 23A discharge rate to 35A means much more "power output" which would be noticeable, especially on your little saw and other high load tools. I'd say 150% more run time in practice, with around 52% more power output in theory. Very cool to see.
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You should have done the Tim Taylor grunt from Home Improvement. “More power!! Ugh ugh ugh!” Ok yeah, I’m a nerd, don’t judge me.
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Great video, you just showed exactly what I wanted to do but wasn't sure how to go about it. Thanks. Do you have a link to those molicell's
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Good info, I've recently bought a knockoff 9ah Makita battery that has less capacity than my 6 year old 5ah from Makita 🤡 Chyna alive and well, but at least I have a good pack to replace the cells and make my own with this method!
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Well done!
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the earth ending had me dyin :face-green-smiling::face-green-smiling::face-green-smiling::face-green-smiling:
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Great job Andrew! Redemption is definitely yours this time around, congrats!! Was curious to know if you are in the M12 line of tools when it comes to drills and impact drivers. If so, how do you like them? I like the fact that they appear to be compact. Just not sure if they are as good and dependable as the larger 18v or 20v tools.
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Event training video and really happy to see you were successful this time. So after going through this process I have to ask... Is it that much of a savings to rebuild a pack yourself vs buying a replacement?
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Excellent video great presentation of the proces!! Thank you. Question please> Where do we get the insulators, metal tape and the temperature tape please? TIA!!
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Is this Stevie from the show eastbound and down?
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if you have a higher cdr does that mean theres more power that goes into the tool? 35AMP vs 23amps?
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Can you get by soldering instead of welding??
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So you effectively made a 3ah m12 battery pack that's available off the shelf? I'd be interested is seeing how it compares to a genuine 3ah m12 battery. Not negating the information regarding replacing of cells good to know when it comes to fixing damaged packs that's good information! Just feels wrong to compare the results in this way. For lack of a better analogy, my 100L fish tank broke I fixed it and now it's 200L and it now holds twice as much.
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150 percent more power than a 1.5 what about 2.0A?
