Replacing My Car Battery With Capacitors! 12V BoostPack Update




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Did this video help you?

Adam Keith: how are you recharging them? Im guessing the alternator would blow these up?

ThinkingBetter: It's a great shame that people don't do the basic calculations of the energy involved in so many experiments like these. Car batteries are needed because they provide much more energy headroom for ensuring the extra energy needed to maintain power to the alarm system, remote lock when the car is parked and for starting an engine in freezing weather.

Lorne Thomas: Interesting. Any thoughts on this?

bhstone1: How are you able to engage a starter and turn over an engine with only 10V DC? Most starters won't engage unless you have at least 12V DC.

Oliver Whinnett: I don't get it. What's the point in this?

cmares5858: A mini boost pack would be great to have in the trunk as an emergency backup!

HardWayLearnt: At 0:40 how did you not get electrocuted when you touched both terminals? 

Paul Handley: This is a hoax. There wouldn't be enough current for long enough to start a car. You can fool some of the people some of the time, but you can't fool ALL the people ALL the time!

Ken MacMillan: What's the point of this?

ProgPalace: You wear the same clothes everyday? :)

Ff Geoff: I don't pretend to know whether boost capacitors could make the traditional car battery obsolete. All I know is that undamped voltage spikes can destroy some very expensive auto electronics. By design, batteries appear to play a role in circuit protection. To his credit 'lasersaber' did carry out voltage drop measurements and actually use the device in regular service. Could be a handy emergency start booster if kept charged. Much more testing needed before you risk your car or trust the device in cold weather. But beware! Check your auto insurance policy. Exclusions often apply for non-approved or non-original modifications unless first approved by the insurer. Many modern cars are written-off after flood immersion due to electronic system damage alone. This shows how costly a boost-capacitor experiment could be if things go wrong. Amateur trials could void an auto insurance policy in any claim for damaged electronics. 

ThingsDemystified: How this device could be useful is if you're stuck with a dead battery. You could use a solar panel to charge it.

Ryan Toomey: The capacitors should be hooked up in PARALLEL, NOT IN SERIES, because with capacitors in series the total capacity is the reciprocal of the addition of the reciprocals of each capacitors, giving you a much smaller total capacitance value, smaller than the value of the smallest capacitor. In parallel, the values of capacitors add up to give you a much larger capacitance. For example, if you have 10, 10 Farad capacitors in series, the total capacitance value will only be 1 Farad, but if you have them in parallel, then the total capacitance value will be 100 Farads.

John Puccetti: All the new research is with capacitors. I think this is the future.

TheSRBgamer63: Easy to start warm engine lol,how about at winter ,also how about diesel engines :P,that ur car have some small engine i guess,bigger engines will need more power to start.

Richy GC: Bet it wont start a diesel :)

whanson3503: So, I stumbled across this and have a few questions. I drive a big ol '09 Crown Vic named "Vicky". I also live in the frozen tundra known to some as "Minnesota". This year I was up in Duluth and it just so happened that day it got down to -50. Now that's not unheard of, it does happen. I was also running my car, ham radio and AM/FM radio for 14 hours straight. Yeah 14 hours without turning the vehicle off. Wait no, I did once and that was a mistake. Only a few minutes of being off, I couldn't start it. Which I found odd because the battery is really only needed to start the vehicle right? Well here is my list of questions if you could be so helpful. I am really considering looking into your mini BoostPack setup with the attached battery pack. * Would more caps be better? * If I had such a setup, would i have been able to do a repeat of my Duluth trip and be able to start the car even after turning it off? * What are the ranges of temps that these caps could tolerate? * I also have the Goal Zero Nomad 7. I'd assume that would be enough to get some charge back into the caps if I needed or if I let it just sit on the pack constantly? * If the vehicle were to die, then what? Sorry to ask so many questions, I am just very interested in possibly doing this. Thanks for the help

ssuuppeerrbbooyy: Pointless to use this with a regular car. Only hybrids and electric cars benefit from capacitors, because they can store a lot of energy in short time, compared to lead acid battery. Then it uses that as a buffer between the electric motor and batteries. Mainly its used for energy recovery when you are braking. But that will be a thing of the past with these new nanobatteries coming out (F1 uses them already, but they are difficult to manufacture).

InvisibleYetVisible: Does putting six 2.5v caps in series not cause problems? Thats 15v? Don't cars only really have a tolerance of up to 14v roughly?

apeek7: Question: What happens to the charging semiconductors in your car? Lets say you don't start the car immediately - you significantly deplete the capacitor. At the last gasp the car starts... Now you have an almost discharged capacitor drawing massive current from your alternator. Are you at risk of damaging the diodes in the alternator???

Protectprep: Puny capacitors are for girly men. This bank below is a bit manlier …. Bank of 20, 450 Volt Nippon Capacitors. Total Volt: 9,000 Total µF: 48,000 Weight: Approx 50# http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=321463321132

ThingsDemystified: So what's the verdict people. I don't have time to watch all the videos. Can ultracapacitors replace your car battery for normal use?

André Gm: can you fast charge it with a crank ? i mean capacitors can chage up faster than a battery, so all you would need is to run the right crank.

soloartist232: lol. yes there is hesitation. you near it crank twice before the engine starts. my 2003 camry starts up like that too with a normal battery. if your car was cranking 3-4 times before starting or crank slowly, it means your battery is weak. there is something called a crank current. get your battery tested. if it's too low it means your battery can't deliver the correct current.

stefco100: make a dc-dc boost circuit 6 to 12 volts , get a 6 volt sealed lead acid battery and use it as a hybrid 

Andy Coakes: i wonder why motor manufactures are not using this technology already ??????? 

Trev S: They can provide about 300 amps briefly so yes they will work - if you discharge them too much they are so power hungry they will read almost as a short giving your car alternater a real hard time

Dave davidson: Good experiment. What he didn't say was that in engineering, you have to give up some characteristics in order to gain other more desirable characteristics. If he doesn't go anywhere over the weekend, the car will be dead. Also, the car had better start on the first go, because if it doesn't, it won't have the power to try again. These are the luxuries he gave up for 30lbs of savings. As the caps age, these characteristics may get worse. He also shouldn't run the radio or keep the key on for any reason.

BuzzFeedGuns: So I can make this and toss my battery?

Kobe Wild: that's great an all. but caps have a limited amount of charge.. leave your headlights on for 10 min's and you won't be able to start your car... 

eTechTom: I wonder what the long term gas savings is minus the battery weight? There is also the savings of buying a new battery every 5 years.

ThingsDemystified: Why are you so surprised that it can start your car? Regular sub-C sized RC car/power tool batteries can deliver 30-40 amps no sweat. A D-sized battery should be able to do double that. A capacitor should be in the thousands.

r trump: I like this, try using the crystal battery set up though the lighter to keep it charge

geetarwanabe: Won't the capacitors discharge if you don't drive for a couple days?

WX9DX: I have a large Ham Radio Amplifier under my back seat of my crew cab. It is amazing draw on the truck battery. Over the years I have had trucks that I even put a second battery in just to make sure there was enough to run the amp and start the truck. I used a home made second battery kit for isolation when I added the second battery. Now I'm thinking using your boost pack idea under the back seat in parallel with the incoming power from the vehicle battery to help when the surge hits when the amplifier is keyed during transmit. What ya think? Thanks for a cool video... 

Phil Mylius: Hi Laser Could you forward a link as to where to purchase these capacitors. i am in Engaland and cannot source them on ebay for some reason

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...

Laban Baxter: How long could that power a 100w inverter?

bfgman422: if u do this for very long you will be replacing alternators a lot because it will work itself to death keeping the capacitor charged.

Hector Lopez: hello mr.lasersaber does your mini boostpack still working as a today ?

whopper dogs: Great video none the less.

ThePokeLoVer: Can u teach us to do it and toturial 

john wood: What a plonker..........he is either brain dead or thick as Redwood, too many of these prawns making stupid videos of no material worth..

sconnly86: you forgot the fact that low voltage starts ruin starter motors, so the money/weight etc you are saving by using capacitors is being wasted if you let your car sit over the weekend and start it. There are minimum voltage requirements for these motors, and low voltage starts over a period of time will burn one up. If you use it every day though it sounds fine.

Austin Pieschel: That is not very good for the electric system in the car. A car is designed to use a 12 volt dc battery not capastors.

Mind|Sculptor: cool

Geri Checchi: I don't see why this Gentleman's Experiment don't work. I'm in heating & air and all of our units, ac units, refrigerators, freezers ect....... use Capacitors to start up the units, we even install Hard Start Capacitors to give the units a Jolt of Electricity. Just saying

Nicholas Fonda: Math Time! assumptions: - 40mA parasitic drain from the car computer systems. {energy your car uses even when off} - linear association of capacitor charge with output voltage (Ignored) {at 50% power they would only have 8V output} - internal parasitic discharge of capacitors (Ignored) {a few mA per hour are lost automatically} 40mA at 12V is 0.48Wh (watts per hour). the capacity of the 350 farad Maxwell Ultra capacitor is 0.35W, six of them is a total of 2.1 Watts (2.1W)/(0.48Wh)= 4.375 hours=> 4hours and 22 minutes... So how did you get the car to sit for over 48 hours (12 times as long) and still have 10V of a charge, let alone start the car? unless you have a manual disconnect for your battery + terminal (eliminates the parasitic drain) this is impossible! I call Shenanigans!!!

idahormj66: how many chickens to start a car, i wonder?
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