Battery Fire: 66th Floor in Queens
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- čas přidán 13. 05. 2024
- Dive into the heart of the chaos as a construction crew's forgotten tool battery ignites a catastrophic fire in a vacant high-rise under construction in Queens. Learn the hazards of these tools and how a seemingly innocuous oversight led to a towering inferno on the 66th floor, showcasing the dangerous consequences of these types of batteries in construction sites.
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I apologize for the audio issue. I need to do better.
Hardly noticeable imho.
You made a better production than the Blair witch don't worry keep on doing what you're doing I thought it was cool and great 🦾 forget about negative people in the comment section only focus on happy positive people.
You put in a great effort that's what matters to me love from Canada 🌎☮️
There was an audio problem? 🤔
0:28 “Some of the first tool batteries were developed around 2005…”???
Really? So my DeWalt Right Angle Drill that I bought in 2000 was what? A myth? A Mandela Effect? How about the electric hedge cutters my Dad bought in the early 1990s?
Did you mean 1905? Without Googling it I have no idea.
Peace 🏴
@@G58 He's clearly talking about lithium ion tool batteries, which Milwaukee introduced in 2005. Nobody had to worry about nicads bursting into flames.
Batteries can burn even when not on a charger. They can just fail.
I’ve seen videos of lithium batteries burst into flames if getting any punctures. It starts with a stream of gas then burst into flames. I’m not saying that’s what happened here but it’s crazy how it just goes up in flames. So don’t ever throw one in the trash.
I was told by a flight attendant that if they get a battery fire on a cell phone or laptop that they are instructed to take it to the galley and toss it into one of the unused warming ovens as a last resort. Now they have something else for that which is even better, but they still are trained if there’s nowhere else to put that to put it there. It’ll smoke like crazy, but it should at least contain the fire and they have a big set of tongs to hold it with.
My friend had one of his tool batteries spontaneously combust in the back of his van while driving down the motorway. It wasn't on charge. He got out as the van was filling with smoke and the van was burnt to a crisp. Fire brigade said they attend at least one of these type fires a week in the UK
Cool.
Makes you want to buy a electric car..
As someone in the RC hobby who has used lithium-ion for years.... You need to store your batteries in fireproof containers!
I'm pretty sure a portable drill with a 3.5 litre twin-turbo V-8 diesel engine would sell well. Tim 'the Tool Man' Taylor would definitely approve.🤭
@@samholdsworth420
I never had one burn, but I store them
contained, at 3.8volts, charging is when friends have
had them catch fire, that and crashing. 😄
When I was still in the hobby, I read a lot and
asked a lot of questions, not one person
was ever able to say he had a fire with
his rc battery when it was being stored,
it was always when on the charger, and many
times you can see that the battery has been
compromised.
I'm sure it 'could' happen, but the take away
from this video is to keep an eye on
batteries, on charge.
I believe most of them say do not store in your vehicle.
Chargers stop charging when the battery reaches its fully charged voltage. If they didnt, batteries would catch fire every single time you charged a battery.
These fires have nothing to do with leaving a battery on charge. The batteries are simply not safe.
That's what I was going to say. As a trivial example, I've had an Xbox One controller with a rechargeable battery plugged into the console for, oh, about 10 years. I also leave my phone on the charger if I'm staying home. Fewer charge cycles, longer life, even at a maintained 100% charge (which is not ideal--80% is closer to ideal). it's impractical to be constantly micromanaging chargeable devices. I have little experience with power tools, though, so I'll punt there. Bottom line: The charger needs to manage the charge properly. If it doesn't, that's where the blame lies.
Many tool batteries take a little damage.
While charging is a likely time for a battery with invisible damage to catch fire.
Not that they don't also catch fire while just sitting there. But that fact doesn't change the fact that while charging is a common time for them to go.
I keep my batteries in steel toolboxes, and only charge them when I am there. It would be a good idea to put chargers on a timer so they automatically shut off after 30 minutes when unattended.
But, If there was an incident, wouldn't the steel turn molten and burn in its own footprint for weeks or months?
After cleaning closets, older boxes last year....I was shocked how many devices were just tossed into a drawer....i-pods, cell phones, tool batteries. Some were dead, some had a little juice and there were a few devices that were bulged out. We then went around to EVERY outlet and crap....there were unforgotten things still charging. I was the worst because I didn't know for a long time that these needed to be treated differently.
Fire depr. talk a lot about your smoke detection and the battery replacement every year, but I really think this should become part of it. Learning proper charging, handling and disposal of these types of batteries!!!!
Modern chargers turn off when the battery is charged. The problem with a timer is it may drain the battery when AC power is disconnected. Many chargers I have used will put a load on the battery through the charging circuit if I unplug or shut the charger off.
Construction guys leave all their batteries on charge overnight, all the time. It's honestly the only way to make work possible the following day.
I disagree.
I'm sure it does happen all the time, but it doesn't have to be that way.
You always have or should have spare batteries. So you can charge one set, while you work.
As a retired carpenter I can say no one leaves batteries charging over night. The chances of someone stealing them is too probable.
@@Kangoshi_ru excellent idea! That way the battery can catch fire at home when you are at work and can't do anything about it.
@@andrewallen9993 Wait, what? How did you come to this conclusion? :D
Why not charge a spare at work, while you're working? Why charge it at home?
@@Kangoshi_ru lest the battery ( a fairly expensive and saleable item) should grow legs and run away whilst you are not looking. Or the reason you are using battery powered equipment is there is no electricity on site.
Another potential culprit will be domestic appliances like stick vacuum's. They are typically left on charge almost indefinitely, although I have noticed that Dyson have a very
low threshold for BMS shutdown/fault of just 13mΩ/cell, or well under half the cell's typical life. This is probably partly done to reduce the chances of a thermal event, but with an added bonus of selling more batteries more frequently.
I don't trust anything with rechargeable batteries including cell phones. Ideally, laptops and cell phones should be charged and kept in plain sight. Years back a friend texted to many people that he knew about his phone being charged in his car in the garage and it caught fire. The event didn't turn out completely catastrophic, but it could have. I prefer charging devices on the kitchen counter and unplugging them if leaving the house. Maybe I'm sort of paranoid...but even a paranoid man has enemies.
I still have a hole burned through the seat of one of my classic cars from a similar event. Seat covers hide the damage (I'll fix it properly one day...) but I was lucky as I caught it less than a minute after it let rip, and I dragged it out with the charge cable that was still plugged in.
Only the paranoid survive..
Very smart moves. You really shouldn't charge a phone in the car, even though they come with charge ports. Its hard on the electronics and wiring of the car and can possibly damage the cars electronics ($$$). Also, never use a phone while charging it in a car as it gets very hot and that heat is transferred to the car's wiring. Things people do all the time.
Haha, gtfoh with that garbage.Not our fault,maybe ,you should come up with a warning sticker against such acts.
I said this many times, and I'll say it again, companies that manufactured lithium battery are looking at potential billions, even trillions in fines, and paying out compensations
Insurance for Manufacturer is Huge.. . Especially Automotive..
I've seen the results of a battery start a fire on a RV repair shop. Burnt the building to the ground. You got to have extra batteries. Maybe come up with a non combustible box to charge.
There was a bad fire on a new riding lawnmower 2 years ago at a landscape convention in Louisville KY. It was ABSULUTELY impossible to extinguish!!!
I remember that. Did they bury the machine or something?
Great advise , thanks for your service !!
Great advice and reminder Cap. Thanks.
Thanks for watching!
Thanks so much. Going to check now.
Great video. Thanks
My partner is really bad with Li batteries... She has a battery operated lawn mower which is hard on the batteries and she will not let the battery cool down after a severe discharge to cool down before charging it back up. On top of that she has a habit of leaving them on charge surrounded by flammable clutter. I really don't want her to burn her house down but she will not listen. A neighbour burned down his garage, lost thousands of tools a lifelong collection all destroyed by an electric drill battery left on a charger overnight. If you have been using your battery powered tool hard and the battery is hot please allow it time to cool down before recharging which will make it hot again as that is a perfect recepie for creating thermal run away.
Your partner isn't the problem. How about investing in a technology that doesn't BURN HOUSES DOWN? I mean for crying out loud what world are you living in where a tool has a good chance of spontaneously combusting for no other reason than operating it normally, AND YOU CONCLUDE THE PERSON USING IT IS THE PROBLEM?
Find yourself a nice conservative woman. They come with brains included, relatively speaking.
@@shamancredible8632 You say all that shi*...
But you still drive a car.
The most dangerous part of the car is, and always will be, "The loose nut behind the steering wheel."
"The person using it" IS WHY WARNINGS LABELS EXIST.
@@knewhunter1 Conservatives and brains are mutually exclusive.
"Autographed" Bibles and Golden Sneakers are all the proof I need.
re: "If you have been using your battery powered tool hard and the battery is hot please allow it time to cool down before recharging which will make it hot again" it's funny you mentioned this because i JUST WENT THROUGH THIS Monday afternoon. i was using my 18v Cordless Blower after cutting my lawn, but in clearing clippings off the drive and the walk i fully depleted 2 small 1.5 Ah batteries which i don't use very often. i noticed as i held them in my hand (literally walking towards the charger) how warm they were to the touch. at that point, i immediately reversed and headed towards my freezer for a gel ice pack and i set the batteries on top of the ice pack on the counter to remove the heat before charging...
oh just BEFORE i did that i grabbed my infrared temp gun and took a few readings from the surface of both packs and they ranged from 100 to 105 degrees F (for reference the case should be at ambient temp, say 70 degrees, at 100% SOC and off the charger). now whether those elevated temps are bad are good is unknown, but the morale of the story is try to AVOID using small Ah batteries with HIGH AMP DRAW devices. i have the "big boy" 5 Ah, 8 Ah, 9 Ah, and even 12 Ah batteries that i normally use with the blower, and have NEVER once felt any of them "warm to the touch" after heavy use (the warmth was my "Red Flag").
THANK YOU!!!!!!! My hubby and kids are tech nerds!!!!! However, i didn't know about these types of batteries. So..... i had a cell phone, kept running it until it was dead, charged at night while sleeping, (had a cover on it) and soon... it wouldn't hold a charge...and then was bulging. I told my son how every time i used it, it was very hot....showed him that the screen was curving....holy crap. My son was a high school kid, but he took it outside away from anythingthat would burn, put sand in a steel can from the garage, put the phone in it, poured more sand and called my husband. I learned about these batteries.
But just a year ago, I had to teach my dad about them because he was complaining how tool companies make crappy batteries on purpose. I asked about his run/charge process and found he didn't know to treat them differently from the old ones. All these years.... he was ruining his own batteries and running the risk of catching his home on fire.
I will share these videos with him. They are great!!!!
I’ve seen plenty of house fires started from those plug-in 120 V air fresheners
NO 50 hp gas motors allowed in California now. ALL gasoline powered small engines are off the shelves. ALL small equipment is battery powered.
You mean 50cc?
California sucks. Glad I left.
To be fair small engine fires are more common than battery fires. The biggest issue is fake batteries.
@@RinoaL of concern is not the frequency of fires but the intensity. Battery fires are almost impossible to put out and contain. This is why Evie cars are not allowed on some fairies but gas powered cars are. This is why Evie cars are not allowed and some parking garages but patrol cars are.
@@RinoaL
Keep telling yourself that
Excellent point.
Every Li-ion device I've ever bought comes with explicit instructions and warnings about battery / charger use and safety. Reading the manual front to back on ANY tool - especially the safety and hazards section - is an important responsibility that too many know-it-alls probably skip.
Really glad nobody was hurt. Love from the UK ✌️
Myself and a colleague were renoving something from a train one day when our Milwaukee impact gun started smoking.
At first we thought it was just dust from the underside of the train, but then it burst into flames!
He disconnected the battery and we threw it further along the pit from where we were working.
The pit is very oily and has small patches of diesel along it... so we picked it up, on fire and ran outside with it.
It quickly burned itself out without damaging anything else but it was amazing how quickly it had gone from appearing normal to spewing out jets of fire from the casing.
We put the malfunction down to abuse and chemical contamination, as tools were always getting drenched in oil, fuel and coolant.
I think the photo you showed of the fire truck that was set on fire by battery powered rescue equipment says it all. As the size of the lithium battery goes up the stored potential energy rises to an unmanageable level that cannot be indefinitely contained. Lithium is unstable. To be safe you can't store the battery charged . So you need to charge it before you use it. That renders the tool or car useless. If you allow the charge to fall too low it damages the battery. By the way you can't put out a lithium battery fire. It has to burn itself out.
Model RC guys have been dealing with these a lot longer. A typical charging bunker is a box with cinder block or cement board walls and an open top. Lay a bag of sand over the top. If a battery catches fire, the bag melts and smothers the fire in sand.
I need to contact Dyson regarding their mounted-on-the-wall-and-always-charging vacuum cleaner in my home.
A comment has since been added about Dyson, above.
Thanks for the "heads up".
Lithium fires worry me a lot as a person who does a lot of work with batteries. Have thousands of lithium ion and automotive batteries laying around, and have made myself a rule of lowering their storage voltage to like 15% charge to minimize issues, and then also making a rule that I don't take many of the lithium-ion batteries from my rural barn into my city apartment. Only LiFePo4 batteries in my apartment (And some automotive cells). Even then I have like a mental tally running of how many batteries I have where.
LI batteries are showing up in so many things these days. It's at the point now where it's difficult to even know what's what and where. Right now I'm sitting at my office desk and I count at least 16 items with LI batteries in them. The time will soon come where it is pretty much impossible to know where they all are!
Tool batteries are at least large enough to know they're there and do at least some risk minimization. What concerns me the most is all the convenience items that have batteries and are easily damaged, cheap, and flammable (plastic). That kind of stuff we can easily forget about and damage or are cheaply made and break/burn easily.
I had a friend that bought a E-Bike. He had it for two weeks and it caught his house on fire. It wasn’t even plugged in!
I've recently seen some interesting data around that type of issue.
Same goes for these E-bikes and hoverboards. All are subject to these problems.
We had that already 15 years ago in the auxiliary truck of a racing team where they left the tools charging during the night.
It comes to question if these were manufacturer/OEM brands or cheap knock-off batteries which sometimes have less robust safety systems in the charging circuitry.
Li-ion batteries can be expensive for construction work, while the knock-off ones can be had for significant "discount" but the consequences could certainly be something like this.
That or it was an refurbished OEM battery done by a shop that didnt know what they were doing
There are also counterfeit batteries.
People think they are buying real OEM batteries and are getting cheated.
I plead guilty to leaving my mower batteries on overnight at times.
I promise to do better.
Your mic is a bit more on the left channel. Love the content; it is very informative about fire prevention safety. I always catch every post.
thank god your mic is correct distance from mouth, no ASMR
This just reminded me to stop leaving things plugged in so they readily charged, and start charging as needed instead.
I live in a northern state. Leaving batteries outside may be a solution in summer, but what about sub zero winter weather ? I don't think they freeze well. So maybe build a small sacrificial "outhouse" to store them in ? I have several batteries, and they are much more convenient than coaxing gas engines to run again in spring. If several batteries are in a metal container and one destructs, I am betting they will all go.
Thanks!
Welcome!
Great video thanks for sharing. Will never be a fan of lithium ion batteries but since watching videos like this I’ve become more aware of the dangers of leaving charging batteries untended have even stopped charging my iPad and mobile at night while I’m asleep. Think it might be being overcautious but these days I’m not taking any chances.
Great video! Thank you! The netherlands.
Thanks for watching!
A timely reminder of a habit most of us have developed is dangerous to us and others. Keep up the good work👍
I never leave the the tool batteries in the garage. Usually stored in a place where there is moderate temperature. When charging, the batteries are monitored and are immediately taken off when light shows it is finished charging. We never leave them unattended.
I store and charge my batteries in an old gas grill surrounded in fire bricks.
2005??? I was using cordless Makitas building sets in the mid 80s.
Different chemistry. Nickel based.
It's not just tool batteries to worry about. My mother has bought a couple of cheap remote-controlled cars from Amazon for my son. The batteries were 3.7v lithium ion, and we're wired to charge directly from 5v USB. No charging or protection circuits. I had her send them right back.
They may already have these, my tools are older, but why don't they make the charger with a cut off after the battery has been charged? Like a reset button?
I really love the way this guy has been in the ethical rules in the fire department if he's a firefighter. He's out here chilling for a fire related cause to make personal money on it as a consultant and in the tiny print now you understand why everything about him is inconsistent with the firefighter job. No firefighter is going to say that these batteries are safe generally candles are safe generally.These batteries are like a boat either they are going to sink or they're going to get taken apart and recycled. Lithium ion batteries will all eventually burst into flame given enough time. This guy is a battery consultant so he's going to tell your batteries are generally safe but candles are not. Then somehow as a battery consultant he makes the insane proposition that it's improper of the customer to charge the battery without watching it charging.
Bigger companies have tool chest for charging with built in sprinkler systems. Pretty cool.
Had no idea that my hand tool batteries could do that 😳 thanks
Where's the fire in the thumbnail image? Is this clickbait?
After seeing videos like this I no longer leave anything charging when I am not home same with kitchen things like crock pots
I run a 800’ extension cord to an island in the middle of my pond, load up my drill battery on a row boat and plug it in out there….
Quite a few knockoffs out there as well. Not necessarily bad but no guarantee what technology or quality control standards were in place. A lot of guys buy them because they’re quite a bit less expensive than the branded versions. To be honest I’ve never seen a tool battery get even close to over heating. There’s circuitry in the branded ones that shut them down when they start getting too warm. Most of the high capacity motors will overheat before the battery.
re: "Not necessarily bad..." they're bad ALL bad, one just has to face up to this reality. re: "but no guarantee what technology or quality control standards were in place." TRANSLATION: "bad".
Important information for sure. Seems like there is no end to the amount of damaged caused by battery fires. In tools, toys, cars, phones, homes and maybe aircraft too all having devastating results.
I always stick my drill battery and charger on the concrete floor away from everything if I'm not right in my shop to keep an eye on it then walk down later and disconnect it after it's charged.
The world is getting so dangers. How am I going to possibly survive?
It would be nice to use a timer switch connected to the charger if they are left alone.
I always make sure im around when charging...i have the iron on fear when i remember its charging and ive left it..
Agree, from an electronic geeks point of view. Don't bet on the charging circuitry actually working they way it is meant to over time.
Electronics fail due to heat and impact! Just what these tools and chargers deal with daily.
Another thing is don't buy cheap chinese knockoff batteries, the originals in good brands usually have thermal protection.
I am really starting to like this whole go green thing
Lithium batteries will be damaged if they are fully charged all the time.
The storage charge for lithium batteries is about 30% charge. If you leave them fully charged in storage the battery will swell and kill the battery but it can still thermal discharge
Use a timer, my Samsung mobile phone has a automatic stop the chagrin when the battery is 85% charged.
Every lithium charger is supposed to automatically stop charging when the battery is full. If it doesn't, you probably bought it on temu.
One correction and some advice.
First, the correction.... most modern lithium battery chargers don't just leave a voltage applied to the battery 24x7. Once charging is complete, they disconnect from the battery. Which means that leaving the batteries "on the charger" 24x7 is actually NOT a problem, let alone the cause of a fire. I wish you'd stop giving that advice, it isn't how these chargers work... particularly not how tool battery chargers work. They are designed to allow you to leave the batteries in the charger.
Now for the advice. There are fire resistant bags, very cheap on Amazon, that work extremely well and have cable pass-through. Get into the habit of storing your batteries in such bags. They aren't all that expensive.
If the bags aren't beefy enough for your peace of mind, then a fire-safe liquids storage cabinet (i.e. double-walled steel cabinet) works even better. Usually around $150-$250 or so... not inexpensive, but not out of this world either. Just store your batteries in one of those and situate it so the vents don't catch anything on fire.
There are definitely things which could be done on the regulatory side too. I constantly see chargers designed to charge batteries to 100%, as well as use the wrong voltages. For example, LiFePO4 chargers mostly charge batteries to 3.65V/cell when 3.55V/cell would work just as well and be less stressful. And NMC/NCA chargers always seem to want to charge batteries to 100% when most people would be perfectly happy with an 80% charge.
Fixing the charger specs on the regulatory side would go a long ways to reducing battery fire risks.
-Matt
From my understanding. knock-off, name-brand, batteries are being sold online from places like Amazon, and eBay. The knock-offs look identical however they don't have the same microchip. The name-brand batteries bought at the big box stores have certain microchips that make them safe. The identical, rip-off batteries, sold online, have a microchip, that just makes the batteries "work" while making them liable to overheating/overcharging/discharging.
At some point, they realized it was more profitable to upsell every battery with a chip vs. one chip per charger and no chips in the batteries.
What about having a fire proof container to charge them in? Something that could contain a fire if a battery does go in the thermal run away?
This has nothing to do with leaving it on a charger. As an electrician of over 22 years, I can tell you that the fault lies in the battery charging system, not the user. I have left batteries on chargers for Days and I've never had a problem.
I had something similar. I was charging the battery for my broadcast camera in the evening. While i was working on my laptop at that moment i heard a little "pphiiiieeeuuww" and i checked immediately. The battery was pretty hot and getting hotter by the minute. I took it of the chargers hoping it cool down but it didn't. I did something dangerous but i think it safed a lot. I took apart the battery, determent what part was getting hot an cut the battery from it's connections. I had 4 parts of 4 cells and i noticed that battery was cooling down at that moment. I put the cells in a heat resistant pot and put it outside in the middle of the garden. The next morning it was cooled down and i checked what went wrong. Is was 1 cell in short circuit and one cell not having any charge. That was at least 6 years ago when that happend. It was a 130wh V-Mount battery for a professional broadcast camera.
But wait did you just say they only developed battery powered tools in 05? My father-in-law has a Milwaukee battery powered drill that’s from at least the early 80. Maybe even the late 70s.
1970s? Those would use NiCad batteries, not Lithium batteries. I have never heard of a NiCad going into thermal runaway. Can’t say it couldn’t happen, just don’t know of any cases.
These batteries are way too dangerous
I think the larger problem is the battery knockoffs... Quality batteries from somebody like DeWalt or Milwaukee cost three times what you can get a Chinese knockoff.. I'm curious if that's the case here or not
Liked, subscribed and shared your video and your channel 👍🏻
Awesome thank you!
@@StacheDTraining No problem Patrick 👍🏻
Why don't they add a "smart charge" feature that would shut off the charger when full charge is reached? Something like a battery tender.
Do run aways happen more during charging? I never heard of this
The two we have experienced so far at work in the last three years were both hile in use, not while charging.
Small Guage Wire on Direct Current adapters...Watch for Nicks.and Cuts..Serious..
If the battery is warm to the touch, wait before charging.
What about mobile phones ??? Can you them on the charger for days? weeks? months?
A timer is a great idea for most cases. For long time charging,overnight, use a slower charge rate if possible. Use quick charge just to finish work for the moment.
The recovery industry is using more battery operated tools as well. Many also charge on the rigs. In many trades charging overnight is the only way. A good heads up to take precautions.
This video is no joke. A couple of years ago, a fire started in the garage of a house in my neighborhood, due to a tool Li ion battery left charging. The FD came, put out the fire and left. Due to smoke and fear, the family stayed in a hotel. In the middle of the night, the fire in their garage re-ignited and burned down the entire house.
I am careful where I charge mine, but mainly I also avoid off brand batteries or batteries from those places where you might be unknowingly buying a counterfeit. Who knows the quality of the cells or BMS
All of the runaway batteries I've seen have involved cracked cases and wet conditions.
Funny, they don’t ever mention how dangerous lithium is .
Considering no fire dept can effectively fight a fire over about 10 stories how was it put out?
FDNY does this type of work regularly.
There is a market for someone to develop a fire retardent charging box to contain any possible fire outbursts whilst charging over night.
This is why if you use ANYTHING lithium you need to charge and store them in a battery safe or go to harbor freight and get some ammo cans.
Good advice. I’m taking my batteries off there chargers right now. Cheers!
Why does Queens have any building taller than 3 floors??
Generally it's a good idea to have a big steel box to place your battery charger and batteries in. That way if there is a thermal runaway event hopefully the steel box will contain the fire.
I bought a box of bicarb soda in case I get a phone fire.
It will take a massive loss of life, until people wake up.
ironically, we're already at that point in terms of both loss of life AND loss of property, but the collective sound heard is still... "zzZZZzz". hint: the people just aren't paying attention to all the events in the news occurring AROUND THE WORLD as a whole (so no, one may not see it reported on their local broadcast, but it is in fact being reported).
‼️ ISO, NEC, CE, etc. needs design standards such as to have self fire suppression (robbing oxygen self sealing) safe guards built into the battery design over a specific battery capacity. Furthermore, physical shock of a specific g-force impact (internal permanent fuse breaks) avoids damaged batteries from reuse. Last is containment for safe recycling and disposal. Great video BTW.
Dear Lord! I keep a lot of batteries on the charger in my garage and shed. Noted!
Education about all kinds of hazards is the key. But we, as society, became too comfy, lazy and dumb. Hence all these fires and "better to face a bear, than a man" tendencies.
We are definitely devolving. Architecture, construction, navigation, diet, medicine, education, music, art, clothing, social skills. Pretty much across the board we look like idiots compared to past centuries. Then there are the megalithic constructions that we have no idea how they quarried, transported, and built.
@@wordup897 re: "We are definitely devolving." correct, see entry for SOCIETAL REGRESSION
As mentioned, at construction sites, these power tools batteries are not treated with great care. In contrast, I treat my many power tool lithium-ion batteries carefully. When the job is done, I remove the battery. I never carelessly dropped them to the floor or any hard surface. When they are being charged, I never left home. I removed the battery when it is fully charged although occasionally I didn't do it until hours later. I never had a single one caught on fire. Lithium ion batteries are safe, whether it is in power tools, security cameras, toys, smartphones, tablets, laptops, and electric vehicles. It is very rare to catch on fire. Therefore, every single one that caught on fire, made the news such as this case.
You do know the video's audio is mono and only on the left speaker, its not stereo like it is suppose to be !
TY , I often have audio problems and wasn't sure if it was on this end or..
mono ?
from my experience with working in construction, having a rechargeable device can be very convenient. But when it comes to having tools around the house, A.C. powered tools are better. The ac powered tool is more robust, a better performer, and more convenient because ac power should be readily available. Other than that, follow the Stached guy's advice when it comes to scooters and such(and NEVER settle for aftermarket)
Makes me wonder about the chargers. My thought is that the charger should completely disconnect power (perhaps via an internal relay) once the battery is charged, reconnecting only if the battery is removed and replaced.
I think DeWalt, Milwaukee do this. The 120 volt AC amp draw goes to about 30mA when the batteries are fully charged.
Most charging cycles draw about one amp 120v a/c with discharged batteries.
unfortunately since no one has Superman's "X-ray vision" (and we don't) drop and damage the charger internally, and there exists the chance that all those WONDERFUL SAFE GAURDS of programming go right out the window.
I'm thinking these are a lithium ion. I don't know if lipos do this too or not, though it's been said that in some cases the labeling may be interchangeable.
I'm happy that my older cordless drill is nicad.
LiPo is just another term for a style of lithium-ion battery.
I have adopted the habit of DO NOT CHARGE THE BATTERIES UNLESS I AM THERE.
I am getting tempted to get a metal locker so I can store them OUTSIDE.
That is why I use lifepo4 batteries. lithium iron phosphate batteries are much more temperature and shock resistant and have more life cycles than lithium ion.