inside a 14.4V cordless drill battery pack & reusing the cells (unedited)
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- Опубликовано: 29 окт 2024
- A quick look what's inside a 14.4V cordless drill battery pack somebody threw away. It turned out to contain 12 NiCd cells in series, 1.2V 1200mAh each, giving 14.4V 1200mAh in total. It's probably an older one, the newer ones contain Li-Ion cells. I'm testing some of the NiCd cells trying to reuse them in a small 2.4V or 4.8V drill.
Update: I analyzed 9 cells at 1C discharge after 1C charge, all were over 1300mAh, more than the rated capacity!
Warning: NiCd batteries contain toxic cadmium. They must be handled and disposed properly.
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”I've found it on the ground"
The construction worker hanging at 14F with an empty drill at the moment: "Dammit!"
I doubt one could drill any screw with this dead accu pack.
“Don’t feed to fish” LOL! Thank you for the great video Diode!
I hate throwing old batteries away. I use lead SLA on my mobility scooters and I keep the old batteries and use them for lights etc. To me if they have any capacity left then i use them before sending for recycling.
Love how you take your time to touch on every point.
I’d adopted some of your principles for my channels videos
Don't forget the inspection cat lol :-D
I have just converted a 14.4v Bosch impact driver to Lithium ion using 4 ex-Hilti 2ah 20/30a capable cells. The 4 cells fit tidily in a longitudinal direction and work well. The power trigger gives progressive increases up to about 75% and then finally all hell lets loose with tremendous screw-driving power. Doesn't seem less capable than 18v lithium drivers. No BMS fitted but individual cell connections for an iMax b6 charger which allows for balanced charging.
I fitted 8 cells with BMS to same 14,4 Bosch Nicad battery. Haven't charged yet with original charger.
I had the same cells in my 18 V power drill and I replaced it with a 5s1p LiIon 18650 pack and a BMS/balancer. Now my drill has much more power and the capacity is way higer.
agree that what everybody is going for lately!! Replace those crappy battery with Lithium 18650!
Much cheaper than to buy a new battery for your drill. Plus Lithium give more power and more capascity, so once charged the battery pack of the drill last much longer! Of course it depends a bit from the capscity of the 18650s used....
@@DrZipZwan I used the good Efest with 2800 mAh each. My drill is about 20 years old and an accu drill was the bees knees at this time.
@@kapegede Damn 2800mAh is a pretty good choice!! Yep a good drill can last really , it just need care! Hope it ll serve you longer😉
I will take this video early and often. I hope you're well, sir. And also your cat of course.
Taking apart an obsolete and discarded battery pack...and it was fascinating. I always learn something here.
My Czech grandpa showed me his cheap battery powered drill a week ago. It used the same kind of battery pack!
This seams to be "generic noname drill battery" standard, I have 12V and 18V ones and 12V has just fewer cells inside.
That's exactly the same as a battery from a drill I bought at Aldi many years ago. Since converted Li-ion.
yes, this type is used in many older cheap tools. so it's possible that is looks the same
Learned so much in this one video about nickel cadmium batteries.
I got cordless drill with this type dead ni-cd battery. Converted it to 18650 li-ion and still working, abused for like 3 years already. People throw away too many things...
It belongs to the cordless drill innards that you picked up! Because i have the same. The pack wasn't holding much charge about a year or two after it was purchased, the cells were junk to begin with. The whole drill was only several €, and it's not a terrible drill, the chuck runs very true to within better than 0.1mm and the rest just about does its job, so it was probably cheaper to give away almost free tools to get people to take the junk cells home than to industrially recycle badly manufactured cells.
I mean odds are there's only a handful bad cells there, maybe one per pack, maybe none, but that's plenty to make the pack not work properly. Same thing with a big flashlight, extremely cheap, and other tools bought from the same company around the era, on all of them, the battery pack went bad quickly.
Nice video, great teardown and excellent find :) Those Sub-C cells are useful in DIY projects or for replacing damaged cells in older power tools.
The only thing I don't like about these battery packs is that these are a long series connection (12 cells in this case), so if one cell fails, it takes down the entire battery pack. With no need for a protection PCB, this method of failure is more likely to occur as the cells wear and one or two cells (the weakest ones) lose their capacity fastest, possibly being run in reverse towards the end of the discharge.
Those five cells at the end (the non rusted ones) can easily make a portable 6V power supply; whilst it isn't as common as 5V or 12V, there are still appliances that are designed for 6V. Alternatively, if the rusted ones still take a charge, keep those as well and build them into a power pack as well.
This cant be true videos are coming so often :)
Hi! You forgot something, there is temperature protection. At least in mine which is the same, there is jrm a55 temperature protector. Very cool vídeo, thank you very much!
That battery pack 100% belongs to the drill from the previous video
I'm not sure, the motor in it says 12V. I'd expect 10 cells for it.
@@DiodeGoneWild Could be, chinese products like to squeeze every bit of performance out of everything at lowest possible cost, so maybe they are purposely overvolting the motor to get more torque, and even the connectors looked compatible...
Thank you for the video. I wish I could find cool things like you ;)
LETS SKRJUUUUUUUUUUU!
Danyku, velká spousta aktivity vidím.. :)
Built to last and not to fail
Good evening friend. I have exactly the same battery pack from a drill
of the budget and I want to change the batteries to put 4... 18,650 did you know the wiring and how to do it... THANK YOU.
I used to open these dumb battey packs all day and rebuild them at Batteries Plus
At least they didn't set it on fire or throw it into a recycle bin.
And didn't give it to fish, of course!
I send them as part of the crap steel, so they get recycled that way. The cell is mostly steel, with a bit of nickel and the cadmium, so when the steel is being recycled it simply adds a small extra bit of nickel to the alloy, and the cadmium is them just a trace.
Oh another video! Niiiiiiiiiiiiiiiiiiiicee!
Hello, I didn`t quite get the part witch explains why only half of the battery pack was rusted. Can you explain more?
you are the fastest youtube video uploader in my all channel list..
Ni-cd battery's toxic??
And you are electric Engineer?
Cadmium's nasty stuff. Nickel's not too pleasant long-term either
Nice video
found it in dumpset again ehh?
😂 I said right away whe I saw the notification, but.. I knew I wasn't right..
I see no problem with dumpster diving, especially in first world countries where people are extremely wasteful. I got a 2005 CD/tape/radio boombox that only had a broken lid contact. Or a functional USB cable and a pair of headphones. Or a nice USB keyboard with just a bad contact because of a twisted wire. Or an LED Christmas light set where the blue string didn't work (thankfully). The list goes on...
@@vaclavtrpisovsky Yeah i fished my backpack out of a dumpster, The North Face brand, not cheap. I was walking in a park and i see it sticking out of a garbage bin. Looking inside, beer bottle shards, beer smell, it's obvious what happened. I washed it out in a nearby stream and took it home, washed it some more, it's good. Nearby i found a clip from Bose headpones, probably belonged to the same person.
Well at least that was an appropriate way to get rid of it. Less appropriately, saw once a Walkman and a radio in a garbage bin, well that's not allowed. Mine now. Similarly a normal garbage bin isn't the right place for a power drill and a battery either.
I’ve picked up several vacuum cleaners in total. Many are dumped by the roadside, while are found in the skip. They all work perfectly. The main problem is the heavily clogged filter.
Beautiful ideas
I think you need a BMS. 😊👍
So you was walking along and this battery pack was on the ground, obviously not near a pet shop...that's odd, interesting....cheers.
Cool...Looking forward to the PSU...
Can i charge NI-MH batteries in the same way of NI-CD batteries? Can i connect them in series and charge all of them in series with a constant current?
Yes, chargers usually take both types. See his video on the topic: ruclips.net/video/5cBQ786lyPA/видео.html
Yes that's okay. And maybe if you have a charger that says "for Ni-Cd only" (does something like this even exist? I don't know...) you can charge Ni-MH too because they are not that much different. But one thing: Ni-MH don't like extremely high charging current as it's common at Ni-Cd.
Yes, i know this one. I want to ask to be 100% sure. I will charge NI-MH batteries with around 300 mA (i will charge 8 of them in series, then the excess charge will be dissipated in to heat and 300 mA should not overheat them)
@@gianluca458 - Yes, as long as you are not trying to use a NiCad fast charger, these monitor the battery voltage and if they don’t see the correct voltage change, can overcharge NiMh types.
No, i will not use fast chargers (And i don't like them so much either). I Will use my power supply limited at around 300 mA. In theory NI-MH batteries cant be overcharged, they should dissipate the excess energy as heat, right? [So i will limit the current so that the batteries don't overheat because dissipating energy as heat at higher currents can overheat them]
Elocution ...... love it !
Finaly real short 7 mins video
I'm supprised that they are Nicads, i was expecting NiMh cells.
Maybe nicad cells are cheaper, or the battery is 4 million years old lol :-D
Most powertool manufacturers skipped NiMH technology and used NiCd until Li-Ions became common. NiMH can't deliver that much peak current as NiCd. NiCd also allows very quick charge. I charged them at 1C (1200mA) and they were stone cold until reaching full charge, then they got hot. And yes, those old NiCd cells still show about 1300 - 1350 mAh, more than the rated capacity! NiMH are also way more sensitive to the voltage reversal of the first cell that gets flat. NiCd makes more sense in the harsh conditions of power tools with very high currents and very simple electronics. Li-Ions are of course the best, but the electronics involved have to be always complex.
@@DiodeGoneWild So Nicads are still a good choice for power tools, amazing really as nicads have been around for a very long time, and they have the memory problem.
I was thinking Nimh because they don't have the memory problem with part charging.
I shall slap myself for being stupid lol :-D.
The old 78 series regulator with a single resistor was a very reliable charger for nicads.
Switchable resistors and a 7805 made a handy charger.
@@zx8401ztv Or a LM317...
@@Mark1024MAK Yes a lm317 should work and i imagine the voltage dropped across it would be lower than the 7805.
But why waste a very handy variable lm317 when a common 7805 would do.
I tend to keep lm317's for quick variable power supplys, perhaps im odd lol.
@@zx8401ztv - ‘cuz I tend to have more LM317Ts in my spares box and you can use a lower power resistor.
I've saved several dozens of those cells. Most of them were stored discharged for years or even a decade and all still work fine. I hope you have a good idea what I could do with them. Maybe a giant NiCd power bank with emergency car start function?
DiodeGonneWild can you please make a video about how NI batteries should be changed, is plenty of documentation for lithium, that says for litium charge with CC CV, but I can't find any information about nichel charging.
I have some ni-mh batteries and don't know how to reuse them in other projects
@@Adi-lv9bo - you use a constant current. See the post someone made elsewhere in the comments.
I’ve found some older style Dewalt nicad batteries in battery recycling section of a local supermarket. They wouldn’t take a charge. So, I’ve zapped them with a car battery.
Don’t give to fish....😂
Nice to see you use glove
2:20 that "focus" reminded me of AvE, but you're keeping it familly friendly. Great video, ni-cd batteries are such chads comapred to li-ion.
So that's whats on the sides of ship's that corrode away to nothing "sacrificial Anodes" there must be a Potential building up on the the hull and they prevent damage. cool...
Woah that’s cool!
Star Fleet cells!
I just love his accent. ✌️ Focuuuuus
How did you choose voltage and current for charging?
Voltage about 1.40 ~ 1.45 limited or cut off and the value Ah per cell equals (roughly) charging current.
For example: 2.6 Ah per cell so give current limited charge to about 2.6 Amps. That should be fine in every case for Ni-Cd.
Attention on Ni-MH, they can get hot too on just x1 value (Ah capacity equals charging current).
You can set lower value or x2 value for ultra fast charging. But without temperature sensing and electronics it's not recommended as the cells get really hot if pushing 5.2 Amps for 35 minutes. (Charging losses).
Any further questions? Feel free :)
@DiodeGoneWild: is this correct or am I wrong?
If you renew the cells you need fabric tape, insulating tape is too thin.
I had renewed cells in such a pack once.
Unfortunately there was a short circuit and I could only watch the pack burn down.
High current diy power bank with this cells?
Should be possible ;) I'll think 10 cells in series (12.0V) which 2x parallel (to give more current and capacity) could manage to start a small petrol car without any car battery.
pro for Ni-Cd: they are safe and don't are violent if they get mildly overcharged or wrong charged or shorted out.
Hey @Diodegonewild just want to know if you are an electric engineer?
Practically yes, though he only seems to have studied Economics at university. His personal experience makes up for the studies.
@@vaclavtrpisovsky thanks
Free battery
I just watch your video because your funny voice accent 😂😂 blodyy helllll 😅😅 by the way where r u from
Czech i think
First they throw their screwdriver because they can't find where they put the battery again, and now finally they found the battery when it's already too late…
Now give it back to your neighbor 😁
Guys i need this exact battery anyone knows where i can buy it?
Don't give it to fish🤣🤣 to je top!
I thought these battery packs had some sort of power balancing board or something. AH, he explains it, ok.
it had very low capacity only 1,2Ah
why not use the rusted ones? just clean off the rust
I finally did, and tested them, and most are near 1300 mAh :).
I like it!
Didn't you say 12V 50A 600W power supply in the next video?
The next edited one, of course ;).
@@DiodeGoneWild ok thank you! And when will the powerbank from Lidl come?
This might be from the same cordless drill as the other parts.
The batteries look a little bit
like capacitors :D
Can you really tell the difference? I mean, seriously?
Thouse are 1200mAh cells, you should charge them are 120mA for 12-13hrs (you dont really need 16hrs anymore) and then test each cell individually. Most likely only one or two of those cells failled. its usually high esr/capasity loss and then you get polarity reversal the momen you push it a bit and that ruins them completely while the rest of the cells are somewhat ok.
Yeah but who wants to deal with rusty cells that can just fail because of casing breach rather than due to capacity loss and reversal. The ones that don't look too bad are good to keep.
@@SianaGearz i doubt the casing is rusted enough to crack open under pressure, they are quite thick because NiCd cells need to withstand the pressure necessary for the gases to recombine. the walls are about 0.75mm thick. Unless you are going to charge them at 4-5C i doubt anything is gonna happen.
Unless theres pot holes in the case because of the rust, superficial rust can easily be dealt with with 600 grit sand paper or vinager+salt. Rust is only visual, its not that important as to throw a functional cell away just because its stained a bit.
Everything seems to be good in this video except the last word SUPLYYYYYYYYYYYYYYYYYYYYYY, I mean who the hell talk like that dood?!!!
Why not give to fish? A fish liked the tin soldier, no?
why not just wire brush the rusty ones for a more useful battery pack
I have this same battery pack in my "Tip" drill which i have bought 20 years ago. Hope you would convert it to 18650 batteries 🔋 🔋 🔋 🔋
Likely not worth it, the only drill he has that seems to use this connector already lacks the chassis, so it's not much portable anyway. I guess he will only be using the drill with his bench PSU or something like ATX.
NiCads are perfect batteries for power tools.
Unlike Li-ion, they can deliver 100's of Amps and not get destroyed. Also can be discharged to zero volts and will recover.
NiMH can't deliver the amount of current like NiCad can, and require advanced chargers.
Li-Ion is limited to how much current it can deliver, and requires a shutdown and monitoring BMS circuitry.
@@piconano agree. But almost all chargers (maybe 98 or 99% ?) are compatible with both Ni-Cd and Ni-MH. Don't seen any charger that says "Ni-Cd only"
@@gumpi5 out of 5 chargers I have, 3 are nicad only. Depends how old they are. There was no NIMH batteries when I bought an 8 battery charger from radio shack back in the late 80s.
I put NIMH in them not thinking, lost most of their capacity in a few cycles.☹️
Can a NiCad charger recharge a NiMh cell / battery? It very much depends on how the charger determines the end of charge state. And if the NiMh cells can take the overcharge if the charger does not detect the end of charge state it is looking for. If it’s a slow charger, it’s generally not a problem. But you should not use a NiCad fast charger.
are deva re deva !!
2:36 I think it's probably 🐕's 🤔
Nobody understands your silly emojis. Use words.
14.4 volt / 200mA ...2.8watt
Disgusting battery! Don't give them to the fishes!
dont give it to fish ..and throw it on ground ....
可怕的電池漏液
No cc
This Nice battery packs are the worst invention inthe industry and polluted the palnet.
Where is ur 🐈?
Sorry. Can't understand a word.
Thiss is faaaassssttttt agaaaiiinnn and agaaaiiinnn
10 minutes ago :)