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Trolling Motor recycled 80ah 18650 battery pack
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- Äas pÅ™idán 15. 06. 2018
- This T245 Trolling Motor battery was built for my older brothers fishing kayak. It's in a 30P4S configuration with 80ah of usable storage.
After a car landed on his head (not kidding) the easiest way for him to get around is in a wheelchair take a look at his channel at some of his projects he has entertained himself with over the years.
His channel - / @gcebiker
Components used -
IMAX Charger - www.diypowerwalls.com/imax
Nickel Strip - www.diypowerwalls.com/nickel
Spot Welder - www.diypowerwalls.com/709ad
PWM controler - goo.gl/vqR8pD
Trolling Motor - www.diypowerwalls.com/watersnake
Multi Meter with USB - goo.gl/wRikaF
💰Save up to 10% at these stores with coupon code ' powerwalls '💰
🔵 BatteryHookup USA - bit.ly/BatteryHookUP
🔵 BigBattery USA - bit.ly/BIGBattery
🔵 Lithium Power - Australia - bit.ly/LithiumPowerAustralia
Second Life Storage Cell Finder -
🔋 Paolo Italy ebay.to/38xPUhT
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💻💡DIYPowerwalls Community Facebook Group 💡💻
â–º / diypowerwalls
Official forum thread with all the extra details to fill all the gaps -
👠Total Project Cost - goo.gl/cfLqZf
👠18650 wall mounts - goo.gl/xDUzSV
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Cheap BMS - s.click.aliexpress.com/e/eX4NpXsc
Quality BMS - www.batrium.com
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Learning resources -
🔖 DIY Lithium Batteries- amzn.to/2MC4BaM
🔖 Mobile Solar Power Made Easy - amzn.to/2Tzk6TA
🔖 DIY Solar Power - amzn.to/2IgxfMa
Recommended Gear -
🔵 Clamp AMP Tester -- goo.gl/z8b4uJ
🔵 iCharger X6 - goo.gl/GtBtW9
🔵 Flir Thermal Camera - bit.ly/35qWwgh
Affiliate Stores -
💸 Amazon Store - www.amazon.com/shop/hbpowerwall
💸 eBay - goo.gl/tk6Qdd
💸 Banggood - goo.gl/1PWhni
Social Media -
â–º Forum - www.diypowerwalls.com/t-HBPowe...
â–º Facebook - / hbpowerwall
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â–º Insta - / hbpowerwall
Become a channel Sponsor -
💵 Patreon - www.patreon.com/user?ty=h&u=3...
💵 PayPal - www.paypal.me/homebrewpowerwall
💵 Merchandise - www.diypowerwalls.com/18650ED
Thanks for tuning in as always!
Pete
Cut the mix on the background music please. Even after you lowered the volume I had a hard time separating out your voice.
Question: Has anyone come up with a system for generating bar code stickers for cells that could be used to quickly identify a cell and relate it to a database?
Sorry you didn't like the music really put effort into that part of the video too :( I think many have talked about it but not really come up with a way to truly get it to work
It's not simply a matter of taste. It's the fact that I can't hear what you are saying. Choosing music that avoids the frequencies in the speech range would help too. Surely there must be copyright-safe music that has been created to complement voiceovers.
I’m sure there is and I’ll take advice onboard
Just tried it on my kids computers and can hear fine - definitely need to look into it more
I have to admit on my setup the music seemed really loud but the parts where you were speaking were the correct volume.
I was considering building my own battery but after watching a few of these videos I realize how little I know about doing it and would better spend my time earning the money to buy one. I do respect those who have learned these skills.
That will give amazing run times. I just did a similar pack, after making my own outboard using a 2hp mariner leg I fitted with a 90v brushed motor (750w) so I wired my pack as 10p20S with some higher voltage mosfet's in my own PWM speed controller. After a whole weekend of use, it still only reaches ~3.4v/cell. Your build is way better than any lead acid options. He could also plug a lipo alarm into the balance port when in use, it will fire off when there's about 20% remaining with liion's..
My bro is a massive TECH head and will no doubt improve it :)
How is this better than any lead acid option? Why couldn’t he have just used an 80ah lead acid marine battery? I’m only asking because I’d like to learn more about building a battery pack.
I think because acid batterys can't discharge much than the li pack can. Sorry if im not correct and the bad english :) (but acid battery can suply more ah in a shurtly time, for this are used for start the engine of cars)
Doing my yearly check-in, to see how things are going... with the 18650's reclamation standard you have created world wide... still running strong, I see, and am glad to see.
Giving it a crack :) Still going strong!
Great Video, love the wire management and spot-welding.
Thanks for sharing.
Thank you Alan!!
Awesome. Just one advice, never cut the BMS wires, rather flatten up the bunch and tape it in the end. Cutting BMS wires alters the resistance hence, the resistivity in each group of cell while balancing during the charge process.. something not big, but not too small to be ignored. Thanks ðŸ‘
Good tip!
1. Given up on fusing for low current (per cell) applications?
2. Cheap balance boards are more trouble then they are worth!! Balance charge or use a balance checker and only charge to 4.05v once your happy the cells are well matched, checking occasionally.
3. 4s is the new 3s Most camping items will run no problems at 16v and run down to 10v.
4. Where did you get the Asus batteries from at a good price? Stored at 3.6 to 3.8v those batteries will outlast time itself.
Tried to fuse but looked ugly - yes that's my excuse ugly lol but took every step possible to still build a safe battery. Still needs load fuses and waterproof box for it but that'll be in the next video. I agree those BMS cause more issues than they solve but I was TRYING to build this battery as good as possible. 4s is definitely becoming more popular Over time i've saved 100's of laptop battery packs with these cells in them - too good for powerwall use I thought.
Man I wish I had the means to build this myself. Very satisfying to watch it come together. I would buy this if you sold them, exactly what I need for my kayak trolling motor
I really like how you easily explained how one battery can mess the whole system up if does not workcorrectly. Thanks for bringing it to my attention. I didn't understand fully what was involved. Thanks
Thank-You
Ditch the music, your voice isn't annoying as you think. Music intro/outro is all you need otherwise Really good.
09:35 Blue is positive.
there is special hell department for that kind of electric guys...
Are you positive?
Good work, I like the idea of using the imax as a balanced charge system... I’m going to employ that on my mobility scooter upgrade! .... great tip!
It works & it's what I already had :) That IMAX is a beast! So reliable!~
great to know where i can get those exact cells from
just recently built a battery box with an inverter and lighter outlet out of random cells i had laying around (it was a nightmare to match the capacities of each parallel set by tacking lipo cells onto each cell pack to balance the capacities)
capacity: 750wh
240V power: 500W
12V power: 240W
24V power: direct connection
all enclosed in a steel box with holes cut for all the plugs and indicators
thinking of building a DIY powerwall for my caravan next
And that 4.08 cell though he was doing well.RIP lone ranger
holly cow did I miss the fuse looked like every thing spot welded together
No fuses - eBike style this one :)
Such a clean build made to looks so easy, awesome as always dude
I really love this pack - too cold to go out and test to finnish the video lol
sermos power poll connectors. 30 years ago when i was an RC racer thats all I used. best damn connector for dc ever!
You MUST Love this kind of work, just the amount of hours (or days) to measuring and building! (take my hat of now!) I just got old 100Ah AGM batteries for free (from large UPS systems), just drop one in my boat, ok it is heavy (32kg) and a solar cell to charge! Runs great my old 55lbs.
55 v 5 pounds lol with twice the capacity and better DOD. And i do love it for sure lol
I need a powerbank like this
what would you run with it..
hmm something like my phone or dog idk
You could run your phone for 3 whole days if it was an iPhone Sweet! How would you power your dog, imagine it would uncomfortable inserting the batteries, and HOW would you charge your dog - seems like its probably not a practical idea
@@HBPowerwall Maybe it's K-9 ?
I learned alot from your powerwall videos and made my own 12v 80ah battery for my trolling motor, having not seen many for that purpose and now here you are! I actually just made up my second for a 24v system. I dont even know what they really are rated at, each 12v battery is 150 1.65ah 18650... I got about 20 running hours using it in different variations between charges to 4.10 to 3.5. Got a bit to finish up and we will see how all 300 handle the new 24v 80lb Terrova
I also fused all mine with 7amp wire, learned the hard way that they actually work! Very tedious pen soldering
Nice Battery. I need to attempt one like it at a (somewhat) higher voltage, for when the power goes out here (like it did yesterday).
No power = no sleep, in my case, due to breathing problems I was mostly born with.
Hahaha, Trolling. You beat the other trolls to it :P
Nailed IT !
HBPowerwall can I make a 80 ah set up to run in my truck?..I compete in usaci competitons for audio...I would like to be able to charge at 16.2 or close..I have a 350 amp adjustable alternator.
pls can I get dis battery
Sure you can have it. Watch his other videos on how to make them and make one yourself. Don't be lazy.
Nice Clean Build!
Naw, thanks Mr Joe!
Yes we are hear to learn not to danse ,but its great what your doing thank you and happy new year
thanks bill, HNY to you also
Nice vid, really tidy looking pack, although being past my clubbing days the massive increase in music volume compared to your voice over was annoying.
Bugger, I'm sorry - it was very much planed like that wanted the talking to kinda be second to the music/edit - lesson learn learned on this one I thinks... Thanks for taking the time to add some feedback .. :)
@@jeffallen3382 Lighten up dude!
I accept that I don’t like the same music as my mum :) all good each time their own
How can you test the cells accurately when they are not under load?
The charger acts as the load
Master work :)
Sweet pack! neater than mine I went the fuse wire route. l have ran into a few problems with my 4s packs the high voltage pushes more amps into the motor reducing the AH rating. Tried a few buck convertors to keep a steady 12.5v but they get HOT will try a few more beefier ones or add a tiny pc fan. Before my buck burnt out I was getting 20% or more run time @12.5 vs 14-16 volts. The bright side is it supercharges the trolling motor lol Still it beats a 3s pack which the motor falls flat with much capacity remaining. Just remember to monitor voltage a 4s will easily drop cells below 3 volts if not monitored.
Next one I build will be fused between the Series packs I think. It's the neatest way I can think of setting it up. Will take out the whole battery but better than nothing. Hope I can make it to the gold coast soon to my brother's house to test it out. But I'm about as good at 'water' as I am at 'mathing'
Too small bms I think, current is will be about 40A continues, that bms may be always hot
very little amp draw, but you're right probably too small
Wheres Mr cell fuse?
Couldn't make it look sexy - and given it will live in a salt water environment with plenty of movement probally not wise - V2 can include some for sure
Nice work. I got a 24v Trolling Motor with a 7S 20P pack arout 50aH.
Would love to next do a 24v one have to see if my bro needs to upgrade his motor lol
Just what I'm looking for. Been searching forever. How did it work out and how much run time are you getting?
was that an actual wall phone ring talk about a sound taking a person back in time almost music to ones ears havent heard that sound in years thanx for the feed as always enjoyed the build
standard iPhone ring lol drove me crazy as I mostly edit with head phones and kept taking the head phones off and picking up my phone lol good enough reason to leave in hehe
30s4p?
We all make that mistake.😋😋
I think is 4S 30P
it's definitely a 4s 30p Battery, its a 4 cell battery with 30 batteries per cell
Garrett Green nice troll
That's impossible to watch with tinnitus. You turn it up because you can't hear the voice, and then you get blasted by music and it feels like someone just stuck a screwdriver in your ear. Ouchy
Chronic tinnitus for 8 years (church bells stuff) I understand your pain sorry
The mix wasn't too bad but I would question your choice of music. Horrible grating electro poo. Nice build though.
Welcome to the family.My started in 2005 and it suck ,it went from cicada(Wish i still cicada sound) to roaring jet engines that only stop when i go to sleep
Fook Utube Are you doing anything in your life that would increase your stress? Hot coffee, hot sauce, spices, anxiety, loud music, stress, alcohol, drugs, tobacco, etc. One man had gained control of his than blamed the doctors for failing after he began drinking and arguing with his customers.
Great job! You are a very hardworking person.
Can you tell my wife please :P
@@HBPowerwall How many do not earn wives will not be enough)
hey man that looks a lot beter than the old ones u you to do
Horrible musc !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Classical music isn't for me either -- each to their own :)
@@jeffallen3382 it's not hard - i love it :) I don't have to agree with my wife lol i don't have to agree with the interwebs - i'll do better (maybe) next time
You just had to use the worst possible music.
If you like classical music sure, but i love it
Horrible
If when we die, there is a bad place, it will be full of discos that only play CZcams music.
I find the "music" incredible annoying too. It made me mute the video and skip large parts
Awesome video mate! I'll be making one of these.
I love the results - pitty I couldn't work out how to do cells fuses & make them look sexy as well
I think Tesla cells use a plate with holes that are bigger than the positive terminal and line up with them, then a short fuse connects them.
With nickel strips on the positive side, you could make a grid that lies *between* the cells and spot weld the fuses to it, or even try a copper plate with large drilled holes.
The negative side can be spot welded as normal.
Best place to attach the power cables is at the centre of each terminal plate, or at multiple places for really high currents. With the power cables at the corners, the entire 30P current goes through just 2 strips worth of nickel!
Hi Pete, I’m a long time follower, but this is my first time to comment. I really enjoyed this video. Couldn’t tell you put hours of editing into it, but I’m sure you did. Awesome job! Keep up the good work.
MANY many hours Alan I assure you :) but definitely a rewarding result! Thanks for tuning in
Destroyed a good video with all that STUPID MUSIC NOISE!!!
I love the stupid music noise does that help?
@@HBPowerwall shows you don't have good taste in music..
Impeccable tastes my good man 👨 lol
Only managed 1 minute due to the crap overlay. I won`t be back.
just looked at how you work i really Enjoy it.. I came out with a better and useful result
by the way I was not bothered by the music, not because I did not like it. just i am 70% deaf..Some want to hear everything to understand properly.Some do not hear anything but understand everything Dear Sir HBPowerwall Thank you again for giving a chance to someone like me to understand and left from here with something useful
glad it worked for you :) I enjoyed editing this one
@@biancad6289 I hope you recover soon lol
Thanks for the vid, very useful. i'm wanting to do something similar for my trolling motor on my kayak. And nothing wrong with audio in this vid! People love to hate haha
Gets interaction and i've learnt more about editing so win win.. glad you enjoyed
really enjoyed the video. I did find the music over bearing. Keep up the good work.
Cool, thanks
Don't you love the short work a Spot welder makes of a huge battery pack!!!
There is just a few min of cutting up nickel then bam it's done! And looks so dam good lol
I started out only using a Spot welder(or my homemade built spot welders), I am just now getting used to soldering a cell. If I could get away with it, I use a spot welder on everything. Love the work you put in on this. That battery should last a long time!!! Good cells you used also. You Can't beat those NCRs
Next challenge will be keeping it dry and servicable
I assume its been in service for a while now? Any word how long it lasted etc? Keep up the good work :)
Haven’t tuned it in since too cold lol haven’t even done a load test
Thanks a lot for your videos, very informative.
Thanks for tuning in
I've made 25s4p pack for the trolling motor using new 3400mah batteries from aliexpress. Also decide not to take risk with built-in BMS and use ISDT charger instead - at least i can get numbers this way. Gave it a try recently. Running on the slowest speed(3kmh) it lasted for 6hrs and 15min, consuming 180w on average. Wattmeter indicated i managed to pull almost 1150whr up to the moment when voltage dropped to 3v/cell. Going faster require about 300-400w and resulted in low voltage warning when battery was less than 25% of capacity.
BTW, these motors can take 16.8V, no need for pwm controller. This will kind of push it to the limits. My motor is rated 430w at 12v, according to wattmeter it was pulling 600w+ on 16.8v battery. Running it full throttle reduces the range. I was getting 15km on medium speed and 18km on low speed. Max speed will empty battery in 1.5hrs with about 9-10 miles covered.
Absolutely never a waste of time I enjoy your videos 100% every single video
What makes your videos outstanding are the added links I wonder if these could be updated please as many don’t work
Thanks, yes I really should update links... I need an intern.
The thing that surprises me is the amount of time spent on sorting the cells to an exact capacity using some simple software to calculate which cell goes in which pack. Given the uncertainty on the measurement of your capacity the actual number is not very important, if you round them all up or down to multiples of 50 or 100 you are fine as well and it saves you a lot of time.
That idea is common with several thousand cell packs - smaller ones repackr works very well charge and discharge voltage is max of 0.02v
Excelente trabalho, meus parabéns, me inspirou bastante! Muito legal a pistola de cola quente à bateria, não sabia que existia, aqui no Brasil não chega praticamente nada de boa qualidade no que se refere a boas ferramentas!ðŸ˜
Good install btw I had many bms go bad after a while so I just go for balance charging leads for the smart chargers and keeps it always .09v-/+ balance and so far it’s cheaper but my batteries are always working and I tried to dont go above the amperage ratings
BMS is also protects against under voltage to save the cells. That said this battery still gets used quite a lot and i only use a balance charger - does work well if you accept it's dangers
Enjoyed the video .
Thank-You thenima - really enjoyed making this one - pitty i screwed up the audio .. but live an learn
I would of put each 10's in it's own bin. So, 2350's bin, 2360's bin, 2370's bin. Depending on the spread, that'd be a lot of bins. Buuuut, would make things a bit faster in the building process. Especially if you decided to do the 14s setup ;) Seeing as how you're doing a trolling motor and small packs, I suppose this will work too :P
Took about half an hour so wasn't so bad - too me a bit to work out the fastest process
I am writing a script for the same reason. I can scan the barcode and it tells me which Series Battery Bank it belongs to. Also working on a CSV output script of available batteries from my Database to import into RePackr.
I'm working on a Lion battery for my motorhome. Only 10-15AH but that's plenty for what I need. So far, 5 x 4 lithium battery holders, 20 protected 18650s. I'll run 5 packs in parallel of 4 in series giving me 13.8v nominal. That should allow me a peak draw of at least 6a.
WOW IT'S AMAZING &
BEAUTIFUL ðŸ˜
LOVE IT💖
THANKS
BLESSINGS🥰🤗
please help , i have 7 Bosch EBIKE Powerpack battery 36v all the BMS board are defect how and where i can find new BMS board to replacement , thank you
Amazing job. Virtuoso video production. Like.
thank-you
Hello. I have little project, you can watch and appreciate my job. Look to my channal - czcams.com/channels/IZk32bpkaEzrCWvBb9z0nQ.html?view_as=subscriber
I bought one of those exact chargers to do this sort of thing. Not sure if it was recommended here or not, but thanks just the same.
Awesome battery pack man.
Thanks Tom
hahha, nice, i was sitting yesterday and idea come up to make a car charger, car booster and 220v output by battery packs, i have more than 120 batteries from laptops, subscribed.
Sounds like you'll fit in well over on the forum www.secondlifestorage.com
@@HBPowerwall how to arrange different capacity cell you showed in video using laptop but i don't understand... Can you please give me that site.
Very nice build. Thank you! Be cool to compare the size and weight of that battery to what you would need for a lead acid of the same capacity.
For sure - i'll see what my brother currenty has when i go down to install and test (might have to wait till it warms up a bit)
Thanks!
Neat project Pete
TY Sir ... 10x longer to film and edit than to just make but I love the end result, can't wait to test it on the water
The PCM was a good idea. I'm sure it'll be good, curious as to how long it will last you.
Is that a battery powered glue gun?
i would love to hang out and have a beer with you. you seem really cool. love your method.
I would love it if i actually loved beer unfortunately it makes me strip nakid and run up the road lolz
Thanks for the great video. I have a question, can I connect two 10s2p lithium battery packs in parallel? Both packages have BMS inside.
Sounds like you can.. as long as they were the same.
also if you use an rc or ebike motor at 6 volts and then turn a stator on a stand you (generac 120/ 10 magnet at 2 rotations per second) you get a really long battery life you just need an ac throttle and an ac ebike motor. also a controller for the first motor must be built to keep it from rotating to fast.
Great job, bro! But I'm thinking about how danger it is when exploding. LOL. If I'm about to make the same one, I have to do it outside of my house, and within a protective mask!
Always be safe i guess - this was to go in a boat on the deck so if there was an issue - over the side it goes
I am using 11s10p configuration for my BMS project. That means I'm using 11 stacks in series with each stack consisting of 10 cells in parallel. I am in a dilemma if must balance each cell in the pack(individual cell balancing- 2 wires coming out each cell) separately or get a wire out of each stack(2 wires coming out of each stack consisting 10 cells in parallel) to implement passive balancing algorithm, SOC, SOH.
Can you give an insight on which one is more preferable?
Hi, Thanks for the great CZcams video. I'm interested in salvaging 18650 batteries and building my own battery packs. Any suggestions on what you need to get started?
luck lol it's getting harder to find good cells to use
I wish i had batteries like that for my projects
They are out there you just have to look for them in creative places
nice work
Thank-You My Own
@@HBPowerwall your welcome sir
hey pete WOW your videos are getting way better now. since I follow you for a year or so. keep up the good videos mate great to watch them all the way from Kalgoorlie haha.
Hero piece lol can't put 30plus hours into every video for 8 bucks hahahah - but REALLY loved this one personally. Thanks for tuning in!!!
yeah mate ive been following for while now a year or so. dam 30hrs+ that's crazy. you have done a great job on this one. was it built for your self? or customer? cause if its not for a customer dam I can just imagine the quality that would have :P
It's for my brothers small boat - but looks like i'm going to have to remake it as it doesn't quite fit lol
oh yeah nice. oh yeah haha gotta hate that. would he build a false floor for it ? to kinda hide it away also keep it safe?
Going to put it into an esky only place it fits in next to the seat as its a one man kayak
Envious of your work!
I am too some times lol
You do a very goodjob sir
TY
hi I am your follower since 2016 I nsfired to do the same thing, I build my own battery generator to power my photo printer that I used for the portable printing service any time without using the grid. thak you my friend.
Thanks for following me, and i'm happy to hear your solution works well or you
I would've added a big bus bar from your main lead across the battery cause right now all the current from all the batteries (except the one its soldered to) has to travel through those two tiny nickle strips. a tick bus bar across the battery would spread the load out a lot better. if you draw high current (more than the battery is rated for + what the strip is rated for) it'll kill the battery then melt the strip or vice versa besides that it was a neat build
12V motor does not burn from 16.8V? I want for the motor Minn Kota Endura 55.
Bom dia, otimas dicas amigo, como faço para conseguir essas baterias, ou como vc conseguiu as suas?
In America and only having 110v as standard residential wiring, we can't use those cheaper Chinese spot welders. We have to use spot welders that run on batteries, like the Malectrics or the Kweld kits. They are brilliant!
Kweld - FOR THE WIN - next video *wink emoji*
great vid, rockin music. very nice
thank-you sir
Your video gives me hope I can repair the Tesla battery module I just shorted out!
How you do that bud? I'm in the process of doing a video to test the capicity of a tesla battery
Hello HB, great channel, great project...!
When you solder on the leads, you can do it on the strip Between the cells...(less heat build up).
Fuse - Idea: Get your brother to put a "Master Fuse" in the PVM box...and,
for good measure, check all cable dimensions.
Also, test the system, with a "Locked" propeller...
Good to know, what will heat up and how much...Also, to find the right fuse.
PS: I sort my cells in Excell.
Greetings from Denmark...Jakob.
Next version I have soldered to some nickel Then spot welded to the pack thus reducing all heat :) Already have a resettable fuse and emergency disconnect planed I need to get the second video edited and released, trying to raise some funds thus pumping out the quick and easy ones
Good to know, I see you are on top of it...! In ver 2, I suggest a series of 4 separate packs of cells...easier to repair and renew.
True it would be easier to separate and service but harder to move around considering my brother is in a wheelchair
Yes, they need to go together, as a unit, into some kind of toolcase/powerbox, for ease of handling. I am sure your brother will make it connect to his rc boat hauler tractor!
thanks for this video :)
you have help me verry mutch :)
excellent
Do all the groop of cells need to be in the same A , what happened if they dont ?! ( Im planning to make a 24 v pack but i have different bateryes )
how much time does this battery take for charging
I would recommend updating the bms and charge at 40a
it would be love to see when you make 3s 80a or 100a very soon
I don't have any plans on doing a 3s battery sorry
Hi, very nice video. How long after you charge each cell separately, you measure the voltage to make sure they were all fine?
would have been weeks if not months of resting it's a very good test to do when using old cells
My homade powerbank with 4 parallel cell is charged after 12 hours. how long it must take with the 30 cells monster in parallel mode and 3S. May be after week :-D ? I think it would be better to use a higher voltage such as 52V, 14 cells in series.
With the grids he created, I confess I am not following how this 12V 80AH battery is wired in series and parallel. Have not been able to figure it out from his bars on either side. Can someone explain?
30 cells x 4 in parallel - 4.2v so effectively it's 12v min 16.8v max charge in the thumbnail that shows positive & negative joined on the left and again on the right - on the other side the gap in the middle is bridged join all cells together.. God I hope that explained it enough.
A cuanto cuesta cada bateria 🤔🤔 que emocion quisiera tener toda esas baterias 😅😅
Quantos Volts tem essa bateria? E quantos amperes? Carrega e faz balanceamento com esse imex B6? Um abraço obrigado
Hi. This powerbank is great. I thank you for all the information you give in your videos.
I have some doubts. The engine works with 12v and the powerbank delivers 16.6 this difference will not damage the engine?
Black box sorts that out :)
You mean the pwm. Then I must replace the one that comes in the intex motor trolling .. Thanks.
Hi,I was building a solar system for my garage and wanted to buid my DIY power wall.Now I have a problem with my BMS and need some help since until now I only made 8s 4p battery packs.The problem is that when I charge my pack then the small balance charging wires (8pin balance charge connector) which has a 0.11 mm² core.My question is now if it would be safe to replace the existing balance connector wires with 1mm² core wire for each pin or should I go with 0.50 mm² core wire?
If you still do not use the "active balancer", I recommend it. That has been one of my nightmares with batteries.
No active balancer yet and wouldn't use active on a pack this small anyway. Just use a balance charger to charge it. It'll always be balanced that way. Not worried about low voltage cut off as batter doesn't get worked that hard.
i like that solder pop LOL so funny
Hi, do i use common or separate type BMS for ebike (72v 20s 3p 80A continuous, 18650 battery)
Thx
I think you may want to include a current limiting device on each cell since you have so many in parallel. If one cell develops an internal short, the other 39 cells will happily discharge into the bad cell and create a burn hazard. I've seen others use a thin piece of wire in series with each cell for current limiting.
That is how i have all my packs built - this one was meant for a boat on the deck so if there was an issue it could go for a swim :P
if you have quality cells that current would burn up the positive tab inside the cell as this is a safety feature
There’s your problem mate. In case you missed it. You have to replace the paper tape around that shaft with something heavier duty. Jobs done. Well done. 🤪
lol
Nice video. Im currently making 4s25p for my Motor Guide R3 55lbs digital. I would like to ask if you wrapped or sealed the pack somehow to make it water proof to prevent corrosion and fire risk?
Same type of build as an Ebike
I was just relooking over this older video, about what size is the spotwelds? My spotwelder welds two spots about 1.5mm in dia. The 4ga, cables and weld tips and holders get so hot after about 50 welds I can't hold it anymore, it has two layers of of shrinktubing, one is the TEMco 1" dual wall stuff, with glue, and it has paper wrapped around shimming the tuning from 1/2" to just over 3/4", it feels hot enough to melt the glue! I'm thinking my tips are not sharp enough, and the welds are too big. I also was welding the thick nickle, and the batteries are capable of well over 400amps, I have about 20" of 4gauge cable going to it, with 12" of 2ga, going to the relay, it works well down to 9.5v, being 3s lipo, that's where I stop! Any suggestions? Maybe I should take it a bit slower?