Replacing My Car Battery With Capacitors! 12V BoostPack Update




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joe a: This here ladies and gentlemen... is how you destroy your alternator and possibly much of your electrical system.

Penfold 'OoO': How much money would a capacitor-based car battery save you? An often-quoted number is that hauling 100lbs around in your car adds 1% to fuel consumption. If you remove a 30lb battery then you save 0.3% of your fuel bill. If you are spending $50 per week on fuel (the average for Australian drivers), this adds up to $2600 per year. 0.3% of $2600 is $7.80 per year in reduced weight leading to better fuel economy. Capacitors can be recharged hundreds of thousands (to millions) of times, unlike lead-acid car batteries which will be dead after one (or two) thousand cycles (at the most). If you replace your lead-acid car battery every 4 years, you would have to change the equivalent capacitor-based car battery every 400–4,000 years. So, in effect, you would never need to replace it (nor would your children, or their children, or their children...). Since a car battery might cost you about $100 every four years, you are spending $25 per year on lead-acid car batteries. A capacitor-based car battery would thus save you $25 + $7.80 = $32.80 (on lead-acid battery replacement costs and in improved fuel economy) each and every year. Over the course of a 50-year driving career (20–70), you will have saved 50 * 32.80 = $1,640. If, on each anniversary of installing the capacitor-based battery, you added the $32.80 you just saved in the previous year into a bank account earning 5% interest, when you retire from driving you would have about $6,900 sitting in the account. Give the battery (and the account) to a grand-child and get them to do the same, and they would retire from driving with $85,600 in the bank. If your grand-child does the same thing, then your great-great grand-child will retire from driving, with the exact same battery, 150 years after after you built it, with $989,000 in the bank... Great-great grand-dad sure was a smart fella. Moving away from lead-acid batteries makes sound financial sense, provided you think ahead far enough.

TheLuismondo: Capacitors in series divide the value of 1 of them by the number of capacitors (if they are the same value) Capacitors in parallel multiply the value of 1 of them by the number of capacitors (if they are the same value) So if each one of them is 350Fs and you have 6, you can either have 2100Fs in paralel (you need them to be rated at more than 16 volts) or 58.3Fs in series.

fortyninepages: If this is possible, wouldn't it have already been marketed and sold in shops as an emergency start up battery? I know I'd buy one. Just needs a case and crocodile clips.

electronicsNmore: Impressive since the capacitor bank is rated 16.2V / 58 Farads.

Jeff Evenson: 30 years ago-on a 650 BSA Thunderbolt, I got tired of changing battery's due to the vibration where I rode, so using only 1 large Capacitor with a zenior diode and it always started on one kick. What the trick here is to Use them like he does, but with the battery as that way the battery and starter will last longer due to less voltage drop on first crank.

Andrew Lucky: this is fake, he turned on the car with his keys at 2:43. 

T Oadaly: Pretty cool, as long as you don't try running the lights and radio off battery. ...most people don't anyway, but know that you really can't with these. 

Fennecbutt: And what if you want to use your lights or stereo while you're parked? Oh wait, this is America...you just leave your gas guzzling Hummer idling...

John Wiggins: I have a new found respect for capacitors...

John Doe: I hear you talking about possibly making a hybrid battery. If you are considering any lithium ion type cells be very careful how you charge them. When charged and discharged wrong they can explode or catch fire. I am not trying to say that you can not use them safely but if you want to use them like that safely you will need a specialized charging circuit. You might even need something custom made because lithium ion can be fussy about how you charge and discharge them. If you do decide to use them I hope it works safely. Lithium ion cells are lightweight as you might already know and so that is one reason to consider them but I would be scared to use them in my car unless it was made for them. Capacitors on the other hand seem much safer.

costiqueR: I think that the people don't know that the batteries are just big capacitors , having exact same behavior on same dimensions/capacity. Guys, don't discuss about this, the differences between capacitors and batteries are coming from their fabrication technology. Capacitors :1 F = 1 s4·A2·m−2·kg−1 = 1A*1s/1V so for 2 V (14V-12 V interval) you need 2 F just to have 1A current during second. Car battery: 100 A·h can deliver 5 A over a 20-hour period at room temperature for same 14V-12V interval.. Let to discuss about 55Ah common car battery. Normal voltage for charging is 13.5 V maximum 14 V and the lower limit is 12 V so you have 2 Volts potential difference to work. 55Ah means 2.75 A in 20h. To obtain equivalent capacity from capacitors you need 2.75A*20*3600s for each volt so result is multiplied with 2. Result? 2.75*20*3600*2= 396000 F (Farads) In this movie we see 6*350F=2100 F which is 200 times lower capacity of the car battery. What means this? Simple. You can start your engine with a capacitors module, but just if everything is perfect and you are sure the engine will start from first attempt. Don't expect to have energy remains for the second try...or let calculate: starting current is 20A so you need 20*2=40F just to have energy for a second. 2100F (total)/ 40 F => 53 s of full functionality. Not too bad but sure not to change the car battery. So ... Car battery is strong recommended, you can have a capacitor module just to help the battery or to start cars with depleted batteries. Don't forget: car alarm and other electrical devices have working nonstop so capacitors will be depleted if you don't start engine often...

Izzy Blackout: I've seen the datasheet for that caps, the maximum operating temperature is 65 degree celcius. Need to be extra cautious with that because i think the engine could be running higher than that. You probably don't want the capacitor to blow up cause if the caps blow up, it's gonna get nasty

Dylan Thorner: Cool! I plan on making a cap bank like this for an inverter. Thanks for sharing.

Cynthia Avishegnath: A supercapacitor is not actually a capacitor. It is an electrolytic oxidation reduction process, in which the electrodes are not chemically involved. It is a pseudo-capacitor, using battery technology. But because there is no ox-redux on electrodes, charging/discharging is phenomenally higher than usual batteries. Without playing with words, it is actually a battery. A battery where technology has managed to decouple the electrodes from the electrolyte. Therefore, it is not like the usual electrostatic capacitor, because you cannot reverse the polarity. Therefore, you cannot use it for analogue circuit boards without biasing and limiting the whole circuit to its midpoint voltage. Because it involves an electrolyte, *it has a limited lifespan*, unlike electrostatic capacitors. The lifespan of a supercap is probably between 5 - 10 times that of a lead-acid. It is not actually a capacitor. It is a pseudo-capacitor. It is a battery that *somewhat* conforms to C = q/V. There will come a time, when voltage latency will be prolonged in such supercapacitors or in alternative of nanotube technologies. When that happens, its voltage profile would no longer conform to C = q/V but to usual batteries, and then could we still call them "capacitors" ? We have to wait till the engineers at MIT perfect their graphene nanotube capacitors. What are they doing? It's been 3 years since they announced it. Or was it 5 years ago? No progress? Are they selling a pipe / tube dream?

Jim's Computer Tech Reviews: Love the vid, too bad I couldn't find your same ype of pack premade to buy!! love your boost cap vids!

Ken MacMillan: What's the point of this?

Adam Colon: I'm confused what the point of replacing the 12V battery with the capacitors. You lose the consistent reliable features of the battery. Is the upside simply that it's smaller and lighter? Is it worth it?

Leslie Willoughby: One thing to note: He started on 10v in this video-neat but low voltage is extremely harmful to a starter. Obviously depending on the crank time, and the starter load but low voltage will actually heat up on the brush end of the starter and melt the solder out of the commutator bars. The car's computer is maintaining a memory and that is what pulls down the caps. It is usually about a 1/2 amp load-continuous. You could probably remedy that by throwing a solar cell on the dash. It gave me some ideas....

anubis1100: one thing im worried about with this pack is the energy overload of the 350 farad caps when the alternator is at high output. i know when you overcharge a capacitor it has a tendency to blow up. the 2600 farad caps i can understand them not blowing due to the high energy storage, but the smaller 350 farad ones dont have that kind or leeway.

Chevez E: So can I hook these up alongside my regular car battery? I have room for both and would just like to be able to start my car in -40c weather. My biggest concern is that the caps will end up discharging while i'm away as I usually let my car sit for weeks at a time. So that's where the regular battery would come in handy to keep the capacitors topped off. Solar panels arn't an option either because snow. Also, I imagine that I would need to hook this up in parallel with my battery to prevent doubling up the voltage?

stonner2k: what would you have done if on Monday morning on the way to work it didn't start up?? would you have just jumped it with one of the other ones? I also take it you could carry one in the boot or trunk as you would say as a buster just encase you ever need a buster?

bruce kazakos: the radio does not consume that much current,but on the other hand,if you switched on the heater,or the lights,well that is another story.

AVLMTC: you are able to store more energy into batterys vers caps

Steve smith: Caps have a habit of biting you if you touch the terminals.

Justison Maynard: now make some kinda hand crank to recharge the capacitors and i'm sold ill buy 10 of them....

mele host: You could get one of those lithium-ion car starters is case you need to jump start the vehicle.

TremereTT: btw. you don't need to put eggs in the fridge, if you don't wash them! eggs have a natural protection coating that preserves them, just don't remove it by washing it off. you won't eat the egg-shell anyway.

jeff king: And the results of 9mth test is.....?????

Jim's Computer Tech Reviews: Very nice videos? where might I be able to pick up one or three (or more?) packs?

BreeUSA: I spy a Citicar in the background. Have you done anything with it? I have a 1974 Citicar i'm restoring.

Michael Carouth: Replacing Car Battery with Capacitors! 12V BoostPack Update ---This guy, Lasersaber, has a cool Youtube channel with lots of neat do it yourself science experiments and useful projects. Those supercapacitors are available at Amazon and such. Just put enough together to get the voltage you need--- like you would with batteries.

CogitoErgoCogitoSum: And when your car has trouble starting that one cold morning? You try starting your car a few times and your capacitors drain of all charge. Then... youre freaked.

Stash Murawski: where can I find them on digikey???? Please

Scuba Jamaica: http://laserhacker.com/forum/index.php?topic=18.30 Quote: Reply #35 on: April 04, 2013, 06:22:56 AM » "It will start my car fine but while the car is running it discharges for some reason." Did you ever figure why this happened?

GrafKrolock82: Oh my... at one point i scrolled to 07:12, heard the sound and thought: "Strange cranking sound"... and then i realized "Oh, chicken..."

Robert M: Couldn't you hook it up to your air conditioning or car stereo instead might be safer.

Elizabeth Sainog: How is your capacitor array in very cold temperatures? A lot of batteries get sold where I live on the 1st cold snap like -20° to -40° celcius. Do you think that your device would have the capability to start the car in 12 hours in that tempurature providing the engine block heater was on 4 hours a head of time? How about no block heater? Do these capacitors lose more more at lower temperatures? Thanks

Dott. Julius Hide: hehe beautiful SC ..

Gnik4144 .: Maybe it's just me but I didn't hear the car start...

Miodrag Zizovic: This post have been changed due my wrong assumption about working principles of super-conductor. I apologize to video poster and others to which found my post correct, and also I want to thank Sara Hearth and oldwrench2000 who corrected me.

kirby wade: Most people don't know that the batterys sole purpose is to start the engine and run electronics when the key is in the acc and on position when the engine is off. Once the engine is running the alternator powers the vehicles radio, lights and engine control computer. The alternator also keeps the battery charged, and in this instance the capacitor bank, doesn't over charge it via a voltage regulator. Also this technology is already on the market but as a battery jump box, some have deep cycle batteries and others have capacitors which like a deep cycle battery can hold a charge for long periods of time.

thomas smith: hmm this a great idea for race car drivers

Tim the car guy: So they recharge with the alternator? 

jahnkeanater: All those eggs. makes me wonder if you know how to basic? lol

Brian Sinper Gx: I think its genius how you mange to put this together, noting that you have a rather small car, however different vehicles require different voltage to get a crank. Considering that different climates play a difference in how your battery react. 

Susan Chen: energy = .5 C v*v=.5 x 350 x2.7x2.7 , six capacitors series connection so C=1/6 * 350 but voltage =2.7 x 6 total energy = .5 X1/6x350x16.2x16.2=.5X350x2.7*2.7*6*6*(1/6) so energy storage is still 6 times of single capacitors, series connector capacitor reduce to 1/6 but voltage 6*6 ,

Christian Curry: That dangerous they could explode 

lou holis: Wornder how this would work in the chevy volt & help in electric range, weight would be reduced , there is no starter in the volt just an on off switch. Might have to give it a try since GM is using a 150 year old tecnology 50# battery in a futuristic car.

SonofGodly: where can i get one of those cig lighter volt meters?
Rating:
Replacing My Car Battery with Capacitors! 12V BoostPack Update 4.8 out of 5

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Replacing My Car Battery with Capacitors! 12V BoostPack Update