Replacing My Car Battery with Capacitors! 12V BoostPack Update

Testing to see if capacitors can make a traditional 12V battery obsolete. Plus an update on the original BoostPack.
BoostPack in freezing temperatures update video: http://youtu.be/GUXM1XuLUIs
More info and links to parts at: http://laserhacker.com/

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Автор Patrick Bonneville (12 дней)
Those lil' capacitors can do amazing things, especially when you combine
them with something else (like your hybrid comment). That was a quick
start, good job!

Автор Ken MacMillan (18 дней)
What's the point of this?

Автор Adam Keith (1 месяц)
how are you recharging them? Im guessing the alternator would blow these

Автор ThinkingBetter (5 месяцев)
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.

Автор Lorne Thomas (5 месяцев)
Any thoughts on this?

Автор bhstone1 (3 месяца)
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.

Автор Oliver Whinnett (3 месяца)
I don't get it. What's the point in this?

Автор patrick donegan (2 часа)
How long will the charge hold for?
Every day?
One day a week driving?

Автор leerman22 (1 день)
Would the current leak even though the car is off? I leave my gps plugged
in and the capacitors wouldn't be enough. Maybe if I add an "Emergency
Booster" button to my car for the winter that engages the capacitors only
when I need the extra amps to start in the winter.

Автор cmares5858 (7 месяцев)
A mini boost pack would be great to have in the trunk as an emergency

Автор HardWayLearnt (5 месяцев)
At 0:40 how did you not get electrocuted when you touched both terminals? 

Автор Paul Handley (2 месяца)
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!

Автор ProgPalace (22 дня)
You wear the same clothes everyday? :)

Автор Ff Geoff (1 месяц)
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. 

Автор ThingsDemystified (1 месяц)
How this device could be useful is if you're stuck with a dead battery. You
could use a solar panel to charge it.

Автор Ryan Toomey (2 месяца)
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

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.

Автор John Puccetti (1 месяц)
All the new research is with capacitors. I think this is the future.

Автор TheSRBgamer63 (1 месяц)
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.

Автор Richy GC (5 месяцев)
Bet it wont start a diesel :)

Автор whanson3503 (7 месяцев)
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

Автор ssuuppeerrbbooyy (5 месяцев)
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).

Автор InvisibleYetVisible (7 месяцев)
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?

Автор apeek7 (5 месяцев)
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

Автор Protectprep (2 месяца)
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#


Автор ThingsDemystified (1 месяц)
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?

Автор André Gm (5 месяцев)
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.

Автор soloartist232 (2 месяца)
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.

Автор bf386tr3gf38 (23 часа)
they can switch on your car one time, but in case of missfire, you will not
be able to start car, because capacitors discharge fast...

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

Автор Andy Coakes (6 месяцев)
i wonder why motor manufactures are not using this technology already

Автор thefront (2 дня)
It'll work as long you don't need a continuous crank to get it started like
many older cars do. Though this works, it's not practical compared to the
price you can get a regular car battery for. Especially if you look at
recycled ones.

Автор Iraqis Tube (18 часов)
Well, you can use this for just few times and if it not a rechargeable
batteries it will explode while the car is working because the dynamo
charge the battery when car is working ... but if you replace it with
rechargeable batteries I think it will explode too because it is the same
volt but the the mAh are different. 

Автор Johnny Benson (1 день)
Hello LaserSaber
Great video you have shared !
I am curious to know how you prevent the caps from being overcharged given
that the alternator immediate charges the caps once car is jump started
with tons of amps.

Автор Larry198s (2 дня)
would be great too not using gas, gas these days are high,

Автор staticnetwork (23 часа)
Perhaps you could install an electric motor in a car and use your super
capacitors and a gas generator.

Автор Cody Grant (6 дней)
Your car is dirty as shit.. You need to clean that up a bit. 

Автор Robert J. Wiltshire (13 дней)
Reading all the negative comments is disappointing. Hearing all the people
reject this potentially awesome improvement is like listening to addicts
reject change. Yes the battery has it's pros, is it the end all be all,
probably freaking not.

Автор Carl Williams (2 дня)
Come on you know we're not allowed to be energy efficient. You're going to
get us all in trouble.

Anyway, good one, that's pretty interesting, makes sense though. I look
forward to seeing your research.

Автор wahtah955 (10 дней)
Hey i'm thinking about a farm application. There are several things
electric tools like a drill, saw, sprayer, etc that you need power for 5-15
min pulling up to 7-9 amps. Plug it into grid or off grid system to charge
then take into the field with your tools. Maybe one you can hold around
your shoulder, if you need to walk around or climb with it. Do you think
supercapacitors/boost packs can be be effectively? thanks!

Автор Kobe Wild (18 дней)
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

Автор qazmatron (11 дней)
Ultracapacitors have high series resistance. You can't get 100 amps to
start the car.

Автор matthew counter (14 дней)
maybe you could hook up one of them chickens to start your car....

Автор r trump (16 дней)
I like this, try using the crystal battery set up though the lighter to
keep it charge

Автор Reynaldo Amador (14 дней)
How much? where can i order?

Автор geetarwanabe (4 месяца)
Won't the capacitors discharge if you don't drive for a couple days?

Автор WX9DX (20 дней)
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... 

Автор Phil Mylius (22 дня)
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

Автор costiqueR (22 дня)
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...

Автор Laban Baxter (26 дней)
How long could that power a 100w inverter?

Автор danny miller (20 дней)

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