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Well,
A Keg of Gas Petrol Diesel, Conventional Fuel, will not self ignite if kept in a drum or tank.
The reason is, that it needs oxygen and a spark to ignite. Your battery cells have all components in the same container to produce this energy.
I am actually not insane, I am a qualified Engineer of more than 40 years standing, and I do know what I am talking about.
I am also concerned about your safety, so, please do not just dismiss me as talking nonsense.
There is no nonsense about what I stated. In your figures you failed to mention the base line of 'Conventional Fuel Only'
You are totally missing the point! That you miss that point worries me more!
The Traction battery in your car stores energy! You do not seem to be aware of that concept, and treat it as replacing A1 batteries in a toy.
Stored energy can be released in a regulated way by driving the car. Gas or Diesel is also a form of stored energy.
In a conventional car, energy is supplied in the form of hydrocarbons, primarily gas, which is burned in your conventional engine. In this case, the fuel from the tank, is burned with the air we all breath. In short, the fuel in the tank kan not combust by itself, there is no oxygen in the tank. Despite the movies, conventional cars rarely explode.
In the case of a Battery, there is also a chemical process going. That battery holds all chemicals needed to provide the chemical reaction to release the energy in the form of an electric current to drive your car.
Lithium Ion batteries depend upon very finely crushed chemicals, being perfectly mixed. In the process of charging and discharging, the lithium compounds are changed from one compound to another. If this process is less than perfect, metallic Lithium, called Lithium Dendrites are formed They are at first small, but will grow over time, and start with 'self discharge', i.e. a Dead Cell. When a cell self discharges, it generates heat, ultimately causing the cell to melt, and making more short circuits leading into a run away situation, with ultimately the entire pack exploding
We have seen this behaviour with mobile phone batteries, There is no reason why propulsive car batteries using the same technology, should be free from this explosion risk. By adding batteries from an unspecified source, you put yourself and others at danger.
If you are happy to live with that in the US, fine with me. Just do not bring it to Europe.
Bram van Kampen
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I wouldn't worry.
Looking at the mechanics in the average motor repair place - they are unlikely to have done a better job. In fact - most likely you would take extra care if this was your first time to fix this - compared to people who do it every day and become desensitized to the risks.
True story, friend of mine did his own electrical wiring when he built a house. The inspector confronted him and said that it was obvious that it had not been done by an electrician. My friend buckled and told the truth. How did you know, he asked? The wiring was too perfect. Real electricians are as rough as guts.
Technically - you are not legally allowed to change your own light bulbs.
The world has gone mad. We try way to hard to wrap each other in cotton wool.
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Well, my Friend (as you call me)
There is a lot of difference between wiring a house, and to diagnose the state of a motive car battery. For starters, the main risk of wiring your own house incorrectly is probably your own house, family, and neighbours getting hurt injured or killed. A Mis diagnosed faulty propulsive car battery can act as a bomb, as destructive as a car bomb set off by a terrorist. There is thus a difference.
As for changing Light Bulbs: Yes, the consumer can change these, the law is clear about that in the UK. I have absolutely No Idea about US Law. Don't live there, and have no intentions of ever going there.
In the larger frame of the discussion, the way forward is not by having 'Secret Tools'
Bram van Kampen
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Imitation is the sincerest form of flattery robbery.
FTFY. 
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This may help out in the long run. Not today, but maybe...
(The cynic says 'No', the optimist is still dead!)
It Is The Absolute Verifiable Truth & Proven Fact
That Your Belly-Button Signature Ties
To Viviparous Mama.
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You can buy "tamper proof" screw bit sets on Fleabay for peanuts - I have a few - so they don't really impact Repair, Reuse, Recycle in any significant way. They do prevent idiots getting them open while plugged in with a kitchen knife and suing the manufacturers when they hurt themselves and burn the house down.
Most products these days are just that: replaceable products that are designed to be replaced relatively quickly. This is why I pay extra: my toaster for example is a Dualit instead of a Russell Hobbs because it's made of real metal, held together with real screws, and all the parts are buyable on FleaBay.
If you are breaking irons every four months, you are buying domestic irons and using them industrially. I prefer the reverse: buy industrial and use domestically!
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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Well, I know these bits, and, they could do the trick, but for the fact that it needs a 3 inch length to reach down the bottom of the 9/32" hole where the screw head is located. The ones for sale here are 1 inch long. They come with an extension which does not fit down the hole. Had the manufacturer used Standard Torq, Pozidrive or Philips Head screws, the problem would not have arisen.
Bram van Kampen
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Obligatory BC[^]
Bad command or file name. Bad, bad command! Sit! Stay! Staaaay...
AntiTwitter: @DalekDave is now a follower!
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This is yet another way they try to lock in their customers. Repair and maintainance can only be done if you have the right tools. This also has been quite popular with car manufacturers until they were required by law to make their custom tools, software and diagnostic devices available to independent workshops.
The language is JavaScript. that of Mordor, which I will not utter here
This is Javascript. If you put big wheels and a racing stripe on a golf cart, it's still a f***ing golf cart.
"I don't know, extraterrestrial?"
"You mean like from space?"
"No, from Canada."
If software development were a circus, we would all be the clowns.
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So-called "tamper-proof" screws aren't designed to keep everyone out, they're just intended to discourage the amateurs. To that end, they're probably effective enough for manufacturers to keep using them.
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Well, I would agree with that. At the same time tools should be available to the Non Amateurs.
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Aren't they?--provided that a "non-amateur" is defined as someone who doesn't mind spending money on a more complete tool kit.
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Well,
If you had read the complete thread, you would realise that the issue is not one of money, but the fact that a suitable tool is just not for sale
Bram van Kampen
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But then, given enough money and motivation, you will find those ever elusive tools, even when they're not for sale at your local Home Hardware.
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No, Not Really
In the end, I designed a tool, and got it made in an engineering shop.
Regards,
Bram van Kampen
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Bram - agree with you. Months ago, I had to replace my wife's keyboard on her Samsung laptop (don't buy Samsung laptops - truly the ultimate consumer design). Usually, I just dig into the bottom, unscrew the 3 or 4 screws holding the keyboard and out it comes. This time? I had to grind off the plastic pegs that were melted during manufacturing. Never have I seen such nonsense.
I should have known when I called their support line trying to get into the bottom of the unit - wanted to swap in an SSD. They told me: you can't do that, it won't fit.  at them, really?
Charlie Gilley
<italic>Stuck in a dysfunctional matrix from which I must escape...
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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charlieg wrote: don't buy Samsung laptops
Don't buy Samsung products period. The only Samsung product that I have owned that didn't die early is my Android phone (Galaxy S4).
BluRay Player: stopped recognizing BluRay disks after 11 months
Multi-Function Printer: became a $300 paperweight in less than a year after every sheet of paper would jam with no clear way to repair
26" Widescreen Monitor: rendered useless when the transformer/filter for the back-light fried. Luckily I was able to order that $1.75 part from China and there were lots of how-to fix videos on the internet.
I don't think I will buy another Samsung product again.
if (Object.DividedByZero == true) { Universe.Implode(); }
Meus ratio ex fortis machina. Simplicitatis de formae ac munus. -Foothill, 2016
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Don't get me started on my Samsung dishwasher. Best money I ever spent was the maintenance plan. After 18 months of self-maintenance, I said screw it. Sears was easily past twice the original price of the dishwasher by the time they finally fixed it.
Never again
Charlie Gilley
<italic>Stuck in a dysfunctional matrix from which I must escape...
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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Well, I Agree,
Don't buy Samsung Mobile Phones either. My Wife's Samsung Galaxy phone's battery stopped holding charge after 9 months from new. Batteries replaced, phone repaired, and repaired again, Never fully Fixed. Then, a Samsung phone caught fire while charging, in the house of a friend of my daughter, somewhere in Ireland. Two young people dead. My wife retired her Samsung Galaxy since.
Bram van Kampen
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<color tv="" and="" 40="" kv="">
Not 40 kV. Had it been 40 kV, the x-ray negative of your skeleton would have been printed on the wall behind you.
The limit was 25 kV, which was just low enough for the leaded glass to keep the x-ray emission from exiting the tube and nuking your progeny.
BTW search a little more and you will find bits that will unlock your cryptic screws for you. Triangular, fork-like, torx with a dot, you name it.
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I'm reminded of the line: "Father forgive them, they know not what they do." In your case though, you know not of what you speak. 25KV was not the limit, they used special glass in some of the later tubes, I remember personally encountering voltages of 30KV, and after I had left doing TV repair, reading of 35KV. I have no doubt that things went up from there. Stop showing your ignorance, and let things be said, there are far more knowledgeable folks out there than yourself.
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Had this been an electronics forum, I would have probably given a more serious answer than the one I just did. Beyond that, I'll gladly let you have your sense of superiority if that makes you feel better 
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No,
Not to get into a Side Line argument, but I distinctly remember to have to buy a probe for UpTo 50 kV. My old one went up to 25 kV, and blew a link when used on a HT system marked 40 kV. Should not have tried it, but, at the time 'I was Young and Foolish'.
I remember measuring 32 kV, indicating that the Line FlyBack transformer had a few shorted windings. Replaced same, and, the system worked again, bringing the voltage up to the specified 38.75 kV. This was in the late 1980's.
I understand the issue with X-Rays, however, the manufacturers of these CRT Tubes must have found a way around the problems. I was at the time fixing TV's for friends, not designing CRT's
Bram van Kampen
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