Great to see this video, I have one on order and am waiting for it to arrive, I was just thinking the way those pads were once you cleaned them up that a small blue SM LED would fit perfect on those pads and would make nice low profile indicator, I will send you a pic once my PCB arrives, Dave from BMUK
so... basically I just watched someone fail to charge their super capacitors, with a solar panel and then charge them via another source and then.... nothing. I could also go outside and watch the grass grow for the same entertainment value
This panel can put out close to 100 watts ruclips.net/user/postUgkxOqI2yqX0XVrhR2BMJciTWrHJpG8FhJyg when positioned in the appropriate southernly direction, tilted to the optimal angle for your latitude/date, and connected to a higher capacity device than a 500. The built in kickstand angle is a fixed at 50 degrees. Up to 20% more power can be output by selecting the actual date and latitude optimal angle.The 500 will only input 3.5A maximum at 18 volts for 63 watts. Some of the excess power from the panel can be fed into a USB battery bank, charged directly from the panel while also charging a 500. This will allow you to harvest as much as 63 + 15 = 78 watts.If this panel is used to charge a larger device, such as the power station, then its full output potential can be realized.
One thing about capacitors, static charge volume is based on the distance between layers. When you put them in series, it may increase the maximum voltage, but it will exponentially decrease capacity. Batteries do not suffer from this aspect.
I have a bank of 6 Maxwell 3000F caps in series as my "battery" in my TDI. Starts strong but doesn't have much reserve capacity. Have a 20 watt solar panel on the roof to keep it charged when not used for some time
Misfit the mad I'm not an english native speaker and this is the first time someone pointed me at this mistake. I must've used it wrongly alot of times :D I always assumed it could not be spelled like the animal :-)
+Maico English is a strange language my friend. In this case it is spelled like the animal. If you spell it the other way you're talking about exposing yourself! ;-)
my experience with fuses to a 6 set of 500F connected to a 45W solar panel is that it blew the 30A fuse upon connection. I have decided that the LEDs will indicate over charging and if i want to slow charge, I will use a small resistor inline with 2 LED in series. It seems to work. 1 V per 30 min charge at slow charge and 8 V TO 14V in less than 1 hour with 1 LED lit in 1ess than 1 hour.
7 лет назад+2
I have been playing with similar setup for years now. But I have not think of leds as indicator, good one I tell you. Thanks!
Go the whole distance and put volts, amps and time sequence logging onto the capacitor bank?
7 лет назад
I only had cheap 10W solar in parallel to capacitor bank. Great thing for inline solar for 12V usage without batteries. I even did some spot welding with it this stores amazing amount of amps.
I bought this same solar capacitor module on Ebay. I tested the capacitance and it ended up being about 67 Farad. meaning 400 Farad each. I looked up the date sheet on these green cap Supercapacitors and it said there is a 20% tolerance so 400 Farad is within that. They all held there charge for a good amount of time except for One. I told the seller about it and they agreed to refund me $8.00 for the one bad capacitor that self discharged rather quickly. There was another one that was not as good as the other four but decided to leave it. I ordered another brand capacitor to replace this bad one. I feel it is a crap shoot when ordering these. I know those small black 120 Farad caps you can buy in a module are all junk the one I bought self discharged to 1/2 voltage in less than an hour. Mr. Julian uses one in some other videos.
Yeah, "Mad Electron Engineering" recently posted a video about those cheap crappy supercapacitors. But I guess the are good for experiments. I have some too. Thanks for the video!
Without a diode, current will flow back to the solar panel, heating it, when a cloud passes. Ever thought using a joule thieve to get optimal charging voltage? Would be loading quite faster.
It would be interesting if you measure the total capacity of the bank using your static DC load after it is fully charged and see how close the total capacity meet their specs. Thanks.
@@chrislp8293 At the rated specs, the capacitor bank will hold 10,935 joules, or 3 watt-hours, at 16.2 volts... not kilowatt-hours, just 3 watts for 1 hour. With realistic loads, perhaps 1/2 or 2/3 of the stored energy will be available, as the voltage will drop too low for most loads.
A note of reference capacitors do not retain their values when placed in series. All the caps in series. What you have there is 16.2V @83.333F. Not 500F
You should play around using less in series and using buck converters. That's what I used to do on my solar panels. Instead of wasting 36 cells in series I did 10 in series. Paralleled 2x 10 cells with it so I effectively had 10s 30p and boosted up the output to charge my 12v appliances. Re arranging around a 100w solar panel instead of the 5.29A I usually get on a 100w panel with the new arrangement and a buck converter I was getting the same voltage but instead I had about 15A. So same cell amount. Different arrangement. Better output. I don't know why all major companies don't do this
Hi Julian Nice Video Your style encourages me I think, heeding the safety warnings in comments here, you do need to push the volts. Stored Coulombs go up with the SQUARE of voltage, so overcharging the capacitor pays dividends provided it can be demonstrated to take the charge "safely". Everyone is quick to jump to a conclusion that this cap is faulty, but in fact it might just be that this is perhaps a cap that is from a superior rather than inferior batch. Where is this going? You are not explicit in this video about what your thinking is regarding storing solar PV energy, but I am thinking (a) that the conversion of low voltage at the panel array location, to a higher voltage for transmission to the grid or battery storage location makes a lot of sense when cable costs are considered and (b) RGHxFTW is on the right track...
interesting video. Amazon used to sell those capacitor banks but when I last looked I couldn't find them any more. It's a cheap way of getting a lot of 500F caps
How well do you suppose super caps would perform in an impulse generator? I've often thought about using them for something like that. I just don't know how well they would tolerate a sudden short circuit discharge. I've known other more standard caps to bulge or even pop under conditions like that.
there will be a slight capacitance difference in most electrolyte types. there's nothing to worry about. if never shore use a cap tester to test them individually. good video keep up the good work
I imagine that stubborn 2nd cap is somewhere closer towards the outside values allowed within tolerance. If so, then it seems a little odd to me that the module manufacturer wouldn't test, bin, and match the components more closely. Otherwise it seems to be a magnificent little board. What is the part number, where can I buy one?
The protection board I bought had a Led already. The balancing of the Supercaps is usually quite off until they are all up to 2,7V. Interesting is that this only happens when I charge them with my powersupply set to 13,5V for a 5s configuration. When I charge them with a 5W Solar panel (18V) The individual capacitors are charging much more evenly right from the start. Surely the Caps are charged much slower but I have no idea how the can allign their voltage other then "burning" energy when the protection kicks in (which happens rarely with the 5W Panel)
Hi Julian, Obviously we can't actually see the PCB tracks but I was thinking that you had soldered the LEDs to two ground points! That would be a magical change in laws of physics. Kind Regards Alan
500 f in series capacitor array is a misnomer, try 83 f bank...To make the capacitors really be helpful you need to match the Vpm of the panel.... which means more cells in series, and sadly will lower the overall capacity...
hi try eBay or maplin, thy last well but if you can get some replacement fiberglass tips. because ones you start to realise what thy can do to clean parts you'll keep it at the top of the tool box
Would love to SMD leds to make it neat, It's a shame that these boards don't come with them as standard. (edited, I really need to watch these to the end before commenting :))
I have never thought to bother around with super capacitors, I never saw the point in them really. They have low capacities and very limited usages. My fav devices are lithium batteries, charge controllers, solar panels, LED's, buck/boost converters, mini relays, inverters etc. It is fun to mess around with components and make your own circuits for various purposes, but I have found that it's mostly a waste of time because you can always buy a far more efficient and smaller premade device from China that will be better than anything you can make yourself.
Hi sir, Thank you for this video, I would like to know If I have solar panels 400w 24v ,500f 16v capacitor and I want set the buck converter at 14volts how much the value of amps should I set on the back converter to charge the capacitor without damaging on the capacitor ?
This is why I laugh when government idiots think that renewable energy is the only way to power a country, give me a break, the sun doesn't always shine and the wind doesn't always blow. But a great vid none the less Julian, very educational.
Check the weight of the capacitor. tap it with a pencil or pen or small metal object. If its hollow you will hear it. My 100F samwha brand cap is for sure 100 farads. Lasts as long as two 200mAh NICD's in series when i'd test both of them in my battery powered drink mixing cup. Has even more power too! MAYBE even longer. Impressive and for sure it's 100 farads AT LEAST. And when its charged up to 3.5v like i've done a few times. It lasts for ageeeees I had a 2 farad 16v capacitor and it could barely power a motor for longer than a few seconds. It you could hear and see the motor slowing down quite noticably.. Now this 100 farad capacitor running the same motor. Just kept chugging along and the voltage barely dropped at all. If they feel excessively light or feel/sound hollow. they might be fake. if not. they could be the real thing. You could test by trying to crank a car engine with these. It should give at least 1 good second of full cranking power and start the car successfully..
You should make yourself a small wind turbine to charge things up on cloudy days, you have plenty of wind if the buffeting against your mic is any indication. Also a solar charge controller works perfectly fine on a turbine.
@wu ming quite good for short time outage + granting time for safe system shutdown... However, super capacitor voltage is not constant, so need a wide range converter. Long term UPS will use lithium storage today, instead of lead acid battery no longer ➯ need compare prices & performance...
lots of fancy sums but why not just use a battery with that solar panel would love to know what the benefit of this is over batteries other than physical size
Should really be could balanced "voltaging" instead of balanced charging. Having the same voltage on each capacitor doesn't mean they have the same coulombs stored in each.
Clive is not intelligent actually, he tries to talk in a posh voice while pretty much calling things BS based on false premises. He called one product BS for a separation between both sides only being like 5mm, yet the whole thing was only for 240v max and it would actually require 15000v to jump a distance that great which would never be present, so there was no problem in the design. Clive just likes to invent problems in his head to call something BS, this is why he has never invented any circuit or isn't the designer of any products, because he doesn't actually know what he is talking about 90% of the time. You could give him the most advanced circuit from Japan and tell him it was from China and he would start thinking that it's shit and make up strange reasons for his belief. He is a joke, sorry. Anyone who calls themselves "big" before their name has a clear psychological complex.
Maybe the manufacturer doesn't put surface mount LEDs on, because you would be able to tell how BADLY each balancing circuit is regulating the charge !
How about a 2.4 volt zener diode in reverse polarity, and a 3 volt led to burn off the excess power. As a cheap and easy capacitor balancing management system? I know any amount of real amperage being conducted through a simple system like this will burn it, but that is only on the charging portion. It should not effect the output side in any way.
Thanks for the video. What do you suggest to slow down current while discharging the capacitor bank? For example, If you wanted to charge battery from the super cap bank but not just at any rate but perhaps twice the current of the solar panel?
I know that one can charge a bank of super capacitors from a solar cell, but i keep thinking, most of the time, the solar panel is operating at a very poor efficiency, and one is wasting the capacity of the panel. Introduce maximum power point tracking and you will be able to collect more energy from the panel.
Respect brother not lying your video postings are top a top very detailed neatly explain I bet if I had a wife even she would understand the way you explain things though. Now brother my question can this be added to a solar battery bank? to ease the load draw off the batteries?
How can I set up an 80amper 24v battery. how many capacitors or how should the circuit be. I want to set up a warehouse system for my house. Is there any shape or project you can recommend?
Am I right that this pack has a total 3Wh capacity (about 1 AA-battery), so for example you could run a europe legal e-bike (250W) "full throttle" for 43 seconds? that could be a nice help for 1-2 short uphills. Of course one would need to efficiently convert voltage for example to 48V(/5A) for a typical motor (just a guess) and be able to do so even when voltage drops from that 6*2.7 (16.2) towards zero as i think it does with capacitors.
Taking these above 2.7 just kills lifecycles. 2.85 is probably max surge voltage, which should be held at for no longer than 1 second. Did you ever test the capacity of these?
you missed a point. when you charge a cap near the max voltage, the caps leakage current would increase to the point that the leakage current would not let the cap voltage to pass above the trigger voltage for the protection circuit to kick in.
Graphite airogel formed in strips then compressed and constructed like how ultra capacitors are made. The size of a 30 gal propane tank with a rewired drum motor generator with magnetic bearings and a vacuum spark gap at the core of the ultra graphite airogel power cell. Do you think you could make one?
It may not mean anything, but Julian do you notice how all of the other capacitors are all an equal blue colour and that second one is slightly lighter? Could this be a damaged one? I know when I damaged one of my NIMH cells that it's outer coating became paler than the others, I think it's caused by heating too much. I suspect the second one was damaged or has a design fault that lead it to overheat.
would a 48v 20kwh cap array be buildable? I'd like to build a graphene ultra cap capable of running a 4kwh load for 16 hours. Run my house on caps, use then up, recharge with either solar, wind, or grid. then repeatedly cycle my houses load on off grid. Lol crazy and I could never afford it but I'd like to know the math and that will give me an idea if how big the bank would have to be.
What are the voltages of the capacitors? Isn't the voltage for the solar panels higher than the capacity of the capacitors? Are you going to do anymore with this because you didn't really put a load on it so you're not really doing much work....
Hi Julian Enjoy your videos I have a similar kit with Maxwell super capacitors purchased from USA originally to start my diesel ride on lawn mower. They give out a massive surge of power. now not used for the original purpose was considering using to power a ham radio which needs max 13.5 volts what output was the board you used to Power the bulb is this an off the shelf circuit? Thanks again for the great videos Best regards JB Sydney Australia
Glad to see someone knows how to connect solar system to capacitors for storage. An idea to put into practice was long overdue.
Best voice and the greatest English accent. I want to listen, each word you pronounce. Very informative video.
Thanks for uploading.
Thumbs up for the time lapse.
I bought instruction from inplix and I build it very very cheap.
Good call on the time lapse Julian 👍
Great to see this video, I have one on order and am waiting for it to arrive, I was just thinking the way those pads were once you cleaned them up that a small blue SM LED would fit perfect on those pads and would make nice low profile indicator, I will send you a pic once my PCB arrives, Dave from BMUK
Total bitch to solder, as Julian has been demonstrating on occasion ...
so... basically I just watched someone fail to charge their super capacitors, with a solar panel and then charge them via another source and then.... nothing. I could also go outside and watch the grass grow for the same entertainment value
This makes good sense. If you're going to buy a 500F capacitor bank, it should have a safety feature for overcharging.
only a matter of time before Julian builds a death ray! LOL
focus frenzy Yeah a Tesla coil, Microwave transformer, supercap, unobtainium flux capacitor based ray gun would be a fun build :)
We should be carefull if he puts on his black mask and claims to be our father!
Thanks for reminding me. I completely forgot about the unobtainium. How was purchased? Collusion with Russian oligarchs?
focus frenzy Fu
2010craggy sounds good. I want one. Do you have the plans?
I can see where I can use that! In a battery backup system for my studio combined with lithium ion batteries !!! Love it Thanks !!
This panel can put out close to 100 watts ruclips.net/user/postUgkxOqI2yqX0XVrhR2BMJciTWrHJpG8FhJyg when positioned in the appropriate southernly direction, tilted to the optimal angle for your latitude/date, and connected to a higher capacity device than a 500. The built in kickstand angle is a fixed at 50 degrees. Up to 20% more power can be output by selecting the actual date and latitude optimal angle.The 500 will only input 3.5A maximum at 18 volts for 63 watts. Some of the excess power from the panel can be fed into a USB battery bank, charged directly from the panel while also charging a 500. This will allow you to harvest as much as 63 + 15 = 78 watts.If this panel is used to charge a larger device, such as the power station, then its full output potential can be realized.
+1 for covering everything including the weather
One thing about capacitors, static charge volume is based on the distance between layers. When you put them in series, it may increase the maximum voltage, but it will exponentially decrease capacity. Batteries do not suffer from this aspect.
They each have a 10 percent variable for voltage. so 2.7 can go up to 2.97 if they are Legit 500 F capacitors.
Oh my god Jullian here's where your 50 uploads an hour can be exceeded. Double video bonanza. love it.
I have a bank of 6 Maxwell 3000F caps in series as my "battery" in my TDI. Starts strong but doesn't have much reserve capacity. Have a 20 watt solar panel on the roof to keep it charged when not used for some time
Jason Harrison capacitor should be summed in parallel, not in series
thanks for uploading this on the same day as the postbag. I just couldn't bare to wait any longer :)
I didn't want to wait either - we all think alike!
+Maico Bare or bear?
Misfit the mad I'm not an english native speaker and this is the first time someone pointed me at this mistake. I must've used it wrongly alot of times :D I always assumed it could not be spelled like the animal :-)
+Maico English is a strange language my friend. In this case it is spelled like the animal. If you spell it the other way you're talking about exposing yourself! ;-)
Misfit the mad my language is Dutch and i'm sure it has weird quirks too :-)
You Brits turn out some awesome Electrical Engineers!
And other types of engineer.
Thank you, excellent video
actually, that's 500F divided by 6. these capacitors are in series, the voltage is multiplied and the capacitance is divided by 6.
Multiplied, or added?
83,3 F is the hole capacity
I believe Filipe you got it right!
Series capacitors are the equivalent of parallel resistors, so you DIVIDE by 6. This is EE1A.
@@chrislp8293 That's correct ! Total Capacitance = 1/ ( 1/C1+1/C2+1/C3 etc.)
my experience with fuses to a 6 set of 500F connected to a 45W solar panel is that it blew the 30A fuse upon connection. I have decided that the LEDs will indicate over charging and if i want to slow charge, I will use a small resistor inline with 2 LED in series. It seems to work. 1 V per 30 min charge at slow charge and 8 V TO 14V in less than 1 hour with 1 LED lit in 1ess than 1 hour.
I have been playing with similar setup for years now. But I have not think of leds as indicator, good one I tell you. Thanks!
Go the whole distance and put volts, amps and time sequence logging onto the capacitor bank?
I only had cheap 10W solar in parallel to capacitor bank. Great thing for inline solar for 12V usage without batteries. I even did some spot welding with it this stores amazing amount of amps.
I bought some small super caps. I will have to clean off the work bench and experiment! thanks!
I bought this same solar capacitor module on Ebay. I tested the capacitance and it ended up being about 67 Farad. meaning 400 Farad each. I looked up the date sheet on these green cap Supercapacitors and it said there is a 20% tolerance so 400 Farad is within that. They all held there charge for a good amount of time except for One. I told the seller about it and they agreed to refund me $8.00 for the one bad capacitor that self discharged rather quickly. There was another one that was not as good as the other four but decided to leave it. I ordered another brand capacitor to replace this bad one. I feel it is a crap shoot when ordering these. I know those small black 120 Farad caps you can buy in a module are all junk the one I bought self discharged to 1/2 voltage in less than an hour. Mr. Julian uses one in some other videos.
Try making your own
Yeah, "Mad Electron Engineering" recently posted a video about those cheap crappy supercapacitors. But I guess the are good for experiments. I have some too. Thanks for the video!
Without a diode, current will flow back to the solar panel, heating it, when a cloud passes. Ever thought using a joule thieve to get optimal charging voltage? Would be loading quite faster.
Love this guys work. 👍🏽👍🏽👍🏽
thank you Julian
It would be interesting if you measure the total capacity of the bank using your static DC load after it is fully charged and see how close the total capacity meet their specs.
Thanks.
83,3 F
@@chrislp8293 At the rated specs, the capacitor bank will hold 10,935 joules, or 3 watt-hours, at 16.2 volts... not kilowatt-hours, just 3 watts for 1 hour. With realistic loads, perhaps 1/2 or 2/3 of the stored energy will be available, as the voltage will drop too low for most loads.
That's where the joule thief comes in handy...!
@@Roy_Tellason True. With bipolar transistors, a Joule Thief will continue to carry load until the input is down to about 7/10th of a volt.
A note of reference capacitors do not retain their values when placed in series. All the caps in series. What you have there is 16.2V @83.333F. Not 500F
Farads go down, but Joules go up :)
You should play around using less in series and using buck converters. That's what I used to do on my solar panels. Instead of wasting 36 cells in series I did 10 in series. Paralleled 2x 10 cells with it so I effectively had 10s 30p and boosted up the output to charge my 12v appliances. Re arranging around a 100w solar panel instead of the 5.29A I usually get on a 100w panel with the new arrangement and a buck converter I was getting the same voltage but instead I had about 15A. So same cell amount. Different arrangement. Better output. I don't know why all major companies don't do this
Coulombs stay the same :)
Hi Julian Nice Video Your style encourages me
I think, heeding the safety warnings in comments here, you do need to push the volts.
Stored Coulombs go up with the SQUARE of voltage, so overcharging the capacitor pays dividends provided it can be demonstrated to take the charge "safely". Everyone is quick to jump to a conclusion that this cap is faulty, but in fact it might just be that this is perhaps a cap that is from a superior rather than inferior batch.
Where is this going? You are not explicit in this video about what your thinking is regarding storing solar PV energy, but I am thinking (a) that the conversion of low voltage at the panel array location, to a higher voltage for transmission to the grid or battery storage location makes a lot of sense when cable costs are considered and (b) RGHxFTW is on the right track...
What does that mean?? The title, mistakenly was "500Farads". It is not!
I read in my instructions on the ones I purchased you are suppose to charge and discharge these several times before using...
interesting video. Amazon used to sell those capacitor banks but when I last looked I couldn't find them any more.
It's a cheap way of getting a lot of 500F caps
I feel a new Super Capacitor PCB design coming on!
Very helpful, thanks 👍
Great job, from sunny Cancun
How well do you suppose super caps would perform in an impulse generator? I've often thought about using them for something like that. I just don't know how well they would tolerate a sudden short circuit discharge. I've known other more standard caps to bulge or even pop under conditions like that.
there will be a slight capacitance difference in most electrolyte types. there's nothing to worry about. if never shore use a cap tester to test them individually. good video keep up the good work
Thank you for sharing sir new supporters here
Nice one brother
I imagine that stubborn 2nd cap is somewhere closer towards the outside values allowed within tolerance.
If so, then it seems a little odd to me that the module manufacturer wouldn't test, bin, and match the components more closely.
Otherwise it seems to be a magnificent little board. What is the part number, where can I buy one?
Nice Piece of Work.. Trying Help the Community Again
The Power Hoarding Capitalist Keep it Up...
Bring your solar panel in Qatar, lots of sun shine here.
The protection board I bought had a Led already. The balancing of the Supercaps is usually quite off until they are all up to 2,7V. Interesting is that this only happens when I charge them with my powersupply set to 13,5V for a 5s configuration. When I charge them with a 5W Solar panel (18V) The individual capacitors are charging much more evenly right from the start.
Surely the Caps are charged much slower but I have no idea how the can allign their voltage other then "burning" energy when the protection kicks in (which happens rarely with the 5W Panel)
Hi Julian,
Obviously we can't actually see the PCB tracks but I was thinking that you had soldered the LEDs to two ground points! That would be a magical change in laws of physics.
Kind Regards Alan
500 f in series capacitor array is a misnomer, try 83 f bank...To make the capacitors really be helpful you need to match the Vpm of the panel.... which means more cells in series, and sadly will lower the overall capacity...
for fall/winter, be thinking Thermal Electric Generator (TEG).
hi a better way to get the varnish of the pads is a fiberglass pencil. it's also great for cleaning battery terminals and all sorts of things
Where do you get those from?
hi try eBay or maplin, thy last well but if you can get some replacement fiberglass tips. because ones you start to realise what thy can do to clean parts you'll keep it at the top of the tool box
Would love to SMD leds to make it neat, It's a shame that these boards don't come with them as standard. (edited, I really need to watch these to the end before commenting :))
Great video as usual, also can we have more bike videos this year :?. Really interested in how those massive cells are doing :).
I have never thought to bother around with super capacitors, I never saw the point in them really. They have low capacities and very limited usages. My fav devices are lithium batteries, charge controllers, solar panels, LED's, buck/boost converters, mini relays, inverters etc.
It is fun to mess around with components and make your own circuits for various purposes, but I have found that it's mostly a waste of time because you can always buy a far more efficient and smaller premade device from China that will be better than anything you can make yourself.
Hi sir,
Thank you for this video, I would like to know
If I have solar panels 400w 24v ,500f 16v capacitor and I want set the buck converter at 14volts how much the value of amps should I set on the back converter to charge the capacitor without damaging on the capacitor ?
This is why I laugh when government idiots think that renewable energy is the only way to power a country, give me a break, the sun doesn't always shine and the wind doesn't always blow.
But a great vid none the less Julian, very educational.
Thanks Julian.
Is it me or that cap looks a bit lighter shade of blue than the others? perhaps a different production batch? and hence the difference in capacity?
I think where the caps came from quality control was not much of a factor.
its samwha brand I have one and its 100 farads. same color as these ones. These are just bigger!!!
the mis-colored cap is likely to be counterfeit.
Seen photos of fake large capacity capacitors where they are have a smaller value cap and therefore cheaper cap hiding inside the can.
Check the weight of the capacitor. tap it with a pencil or pen or small metal object.
If its hollow you will hear it.
My 100F samwha brand cap is for sure 100 farads. Lasts as long as two 200mAh NICD's in series when i'd test both of them in my battery powered drink mixing cup. Has even more power too! MAYBE even longer.
Impressive and for sure it's 100 farads AT LEAST. And when its charged up to 3.5v like i've done a few times. It lasts for ageeeees
I had a 2 farad 16v capacitor and it could barely power a motor for longer than a few seconds. It you could hear and see the motor slowing down quite noticably..
Now this 100 farad capacitor running the same motor. Just kept chugging along and the voltage barely dropped at all.
If they feel excessively light or feel/sound hollow. they might be fake. if not. they could be the real thing.
You could test by trying to crank a car engine with these. It should give at least 1 good second of full cranking power and start the car successfully..
The best tool for solder resist removal is a fibreglass bristle pencil such as part number 0514868 from RS Components.
You should make yourself a small wind turbine to charge things up on cloudy days, you have plenty of wind if the buffeting against your mic is any indication. Also a solar charge controller works perfectly fine on a turbine.
Solar charge controllers input DC correct? Wind turbine charge controllers input AC 3 phase correct?
Could just be the tolerance of the resistors in that particular protection circuit. Check them!
very good. thank you
You might want to swap some components around on the board. That might give you a better understanding of the component limits or charge value. Cheers
i wonder what aplication is this good for ?
@wu ming quite good for short time outage + granting time for safe system shutdown...
However, super capacitor voltage is not constant, so need a wide range converter.
Long term UPS will use lithium storage today, instead of lead acid battery no longer ➯ need compare prices & performance...
excelent sir, thank you share vidio
How about a diagram so we can see what you are trying to do.
lots of fancy sums but why not just use a battery with that solar panel would love to know what the benefit of this is over batteries other than physical size
Should really be could balanced "voltaging" instead of balanced charging.
Having the same voltage on each capacitor doesn't mean they have the same coulombs stored in each.
Julian says, "I just want something thin to blow.." ....HAHAHA, I bet, lmao
MyBigThing2010 I though I was watching Clive for a minute, lol
ahhhh HAHA he's definitely not qualified to be a naughty bear though lol
How could you think that? Clive is in another league of intelligence, bums harder too!
Clive is not intelligent actually, he tries to talk in a posh voice while pretty much calling things BS based on false premises. He called one product BS for a separation between both sides only being like 5mm, yet the whole thing was only for 240v max and it would actually require 15000v to jump a distance that great which would never be present, so there was no problem in the design.
Clive just likes to invent problems in his head to call something BS, this is why he has never invented any circuit or isn't the designer of any products, because he doesn't actually know what he is talking about 90% of the time.
You could give him the most advanced circuit from Japan and tell him it was from China and he would start thinking that it's shit and make up strange reasons for his belief. He is a joke, sorry.
Anyone who calls themselves "big" before their name has a clear psychological complex.
Who is Clive?
Maybe the manufacturer doesn't put surface mount LEDs on, because you would be able to tell how BADLY each balancing circuit is regulating the charge !
Maby you can build a small wind turbine? It seems the sun is not in your favour hehe. Keep up the good work and maby oneday you will rule the world!
Or just continue using the mains outlets available in his house.. :)
How about a 2.4 volt zener diode in reverse polarity, and a 3 volt led to burn off the excess power. As a cheap and easy capacitor balancing management system? I know any amount of real amperage being conducted through a simple system like this will burn it, but that is only on the charging portion. It should not effect the output side in any way.
amazing stuff are these Super Caps...but any use in practical life?
Car battery alternative
Thanks for the video. What do you suggest to slow down current while discharging the capacitor bank? For example, If you wanted to charge battery from the super cap bank but not just at any rate but perhaps twice the current of the solar panel?
I bought one of these. Weirdly exactly the same capacitor (in the same place on the board) took an age to come up to voltage.
I know that one can charge a bank of super capacitors from a solar cell, but i keep thinking, most of the time, the solar panel is operating at a very poor efficiency, and one is wasting the capacity of the panel. Introduce maximum power point tracking and you will be able to collect more energy from the panel.
This is a question, when replacing a bad-capacitor off a box fan is it necessary that I replace it with the exact same capacitor?
Respect brother not lying your video postings are top a top very detailed neatly explain I bet if I had a wife even she would understand the way you explain things though. Now brother my question can this be added to a solar battery bank? to ease the load draw off the batteries?
How can I set up an 80amper 24v battery. how many capacitors or how should the circuit be. I want to set up a warehouse system for my house. Is there any shape or project you can recommend?
The color of that odd one seems quite faded to me. As from oxidation or something..
I will try this as 12v acid battery in my car lol
you are probably going to melt that DC connector if you decide to discharge to something large.
second on left is slightly differnt colour from rest.. its lighter, maybe fake cap.
Am I right that this pack has a total 3Wh capacity (about 1 AA-battery), so for example you could run a europe legal e-bike (250W) "full throttle" for 43 seconds? that could be a nice help for 1-2 short uphills. Of course one would need to efficiently convert voltage for example to 48V(/5A) for a typical motor (just a guess) and be able to do so even when voltage drops from that 6*2.7 (16.2) towards zero as i think it does with capacitors.
I wonder how impressive a catastrophic failure would look like with one of this capacitors.
Taking these above 2.7 just kills lifecycles. 2.85 is probably max surge voltage, which should be held at for no longer than 1 second. Did you ever test the capacity of these?
you missed a point. when you charge a cap near the max voltage, the caps leakage current would increase to the point that the leakage current would not let the cap voltage to pass above the trigger voltage for the protection circuit to kick in.
capacitor can only hold short duration current compare to storage power from battery
Has the weather been any nicer during the last couple of days? Been very sunny today and yesterday in Wales
How much does 1 array weights?
Graphite airogel formed in strips then compressed and constructed like how ultra capacitors are made. The size of a 30 gal propane tank with a rewired drum motor generator with magnetic bearings and a vacuum spark gap at the core of the ultra graphite airogel power cell. Do you think you could make one?
It may not mean anything, but Julian do you notice how all of the other capacitors are all an equal blue colour and that second one is slightly lighter? Could this be a damaged one? I know when I damaged one of my NIMH cells that it's outer coating became paler than the others, I think it's caused by heating too much. I suspect the second one was damaged or has a design fault that lead it to overheat.
Replace the capacitor then ic if needed
You should have put a big diode so it doesnt backdrain when the sun goes down.
Why not use a cheap solar charge controller which would give you max around 14.00 volt.
I enjoyed that thanks.
would a 48v 20kwh cap array be buildable? I'd like to build a graphene ultra cap capable of running a 4kwh load for 16 hours. Run my house on caps, use then up, recharge with either solar, wind, or grid. then repeatedly cycle my houses load on off grid.
Lol crazy and I could never afford it but I'd like to know the math and that will give me an idea if how big the bank would have to be.
"I just want something thin to blow" - Julian @ 3:52
Damn, someone beat me to it.
Hey Julian, I think technically, you can call that a battery.
why did you put the diode there @9:31 ??
Wouldn't the leds change the resistance across that circuit?
❤😊
How to repair a 2.7v 500F capacitor??
What are the voltages of the capacitors? Isn't the voltage for the solar panels higher than the capacity of the capacitors? Are you going to do anymore with this because you didn't really put a load on it so you're not really doing much work....
Hi Julian
Enjoy your videos I have a similar kit with Maxwell super capacitors purchased from USA originally to start my diesel ride on lawn mower. They give out a massive surge of power. now not used for the original purpose was considering using to power a ham radio which needs max 13.5 volts what output was the board you used to Power the bulb is this an off the shelf circuit?
Thanks again for the great videos
Best regards
JB Sydney Australia
these types are readily available dirt cheap. his is fancy overkill. search ebay or anywhere for 'buck converter' or 'buck regulator'