Thank you! Keep up the great work! I have a disability that limits my life greatly, I don't do anything in a hurry, I do everything at my pace, in my my time, the job will be done in "Island Time" and done properly. Cant wait to watch your next video.
I've noticed that having a disability has one benefit - it turns you into a perfectionist. Because it takes a lot longer to do things, you have an uncontrollable urge to make everything absolutely perfect!
@@Vortecks it's true what is said though, what doesn't kill us make us stronger. I have discovered that if the Will is strong enough, things will get done, slowly methodically overcoming obstacles. If you have a will. You will do!
Very good battery design as you will be able to find which single battery cell that has failed. its a lot of wiring and well worth the effort well done
Great video this is the best battery build I have seen looks really good it's well worth the time and effort you put into it. The way that it's wired is good because if a battery should fail like you said it only brings down part of the battery not all of it which is good if your on your bike in the middle of know where. Looking forward to part 3.
Of course, I didn't mention about thermal runaway - if the cell is faulty and goes into internal meltdown, it'll cause a chain reaction and take the whole pack. Theoretically, that would never happen because the balance wires would burn before it has time but there's always a possibility.
Everyone makes mistakes and part of learning is making mistakes. I hate it when you only see a finished product and they say that it all went perfect when you know too well that it didn't.
Saving for a bafang mid drive kit. Considered making my own battery to try and save some money. Yeah... Not sure I fancy doing it now, I'm almost certain I would end up zapping myself or causing a major short and burn my house down. I have some experience with repairing lipos, and I've used a fair few 18650 and 2100's before, but not this many. Makes me nervous just thinking about it lol
Hi my friend! I'm from Greece 🇬🇷 🙋 I'm in the same place with you! But even i asked for motor winding or batteries i don't take answer... And move to the next step based on my own knowledge and what understand from RUclips videos...🤷 Wish you good luck my friend!!!!!🙏
It's not as bad as it looks. One thing I advise is to use some sacrificial wire. If you get a very thin strand held between 2 pliers and then bridge the gap you want to spot weld, you'll prove that you're doing it correctly. All that can happen is the wire will melt and not cause any damage.
Thanks for the video but i am wanting to get into making batteries to replace rechargeable lights that went bad. I have no experience but im lost when you say 84v for the pack of ten batteries. 3.7v times 20 cells should be 74v. Im confused.
Have you ever thought about using 21700’s? I seem to be making more packs with 21700’s as they have far more capacity and discharge capability then 18650’s
I'm sorry but that's wrong. This pack (8 parallel) will kick out 280A. The equivalent physical size pack with 21700 cells would be a 6P configuration and, even if I used Samsung 30T cells, it would only be 210A
@@Vortecks don’t have a clue where your getting your data from but VT6C’s have a 20A max discharge so that’s 8x20A=160A If you was to use P42A’s they have a max discharge of 30A so 6x30A=180A. Data talks !!
Sorry to bother you I know you dont like when People sam why you didnt do this and etc. What do you think about laser spot welder copper strips instead of nickel. I heard greyp does that with their battery packs
Laser spot welding is much better than traditional spot welding because it's precise and constant. The only problem is, I haven't got the kit and I can't afford it, I'll just have to drool over photos 😁
Theres nothing independent here, you actually connected them all in paralel just with wires instead with nickel. Also cells dont randomly go short circut. thats just idea that possibly originates from hbpowerwall because he fused all cells in his packs. also if balance wire burned (it never will but lets say you cut it) pack is again not open circut, just point where wire burned is not balanced with rest and series pack works the same.
please understand this is not "ur just wrong" comment. try drawing a scheme of this and you will realise what im talking about. you just made effectively the same thing just with extra steps hah
With this logical, i can make 2 different packs 20s 5p (because of space) and connect to one BMS!!🤔 Ok.. i won't make it like yours way (of course is better, but need skills), but the basic idea is the same... 2 pacs 20s5p with one BMS... I will double the balance wires and must work... Am i right..??🤔
Theoretically, it should work. Remember though, your balance leads will need to be the same length to those cells, if not, there will be voltage differences causing issues in the bms sens circuit. Not only that, but one wrong cell level connection will cause damage to other cells and probably the bms..... There is a reason these packs are designed the way they are, so make very sure of your cell level connections...
Seeing how you do certain things, I can only say you are incredibly lucky to still have your eyebrows and a not burnt down home.
Thank you! Keep up the great work! I have a disability that limits my life greatly, I don't do anything in a hurry, I do everything at my pace, in my my time, the job will be done in "Island Time" and done properly.
Cant wait to watch your next video.
I've noticed that having a disability has one benefit - it turns you into a perfectionist. Because it takes a lot longer to do things, you have an uncontrollable urge to make everything absolutely perfect!
@@Vortecks it's true what is said though, what doesn't kill us make us stronger. I have discovered that if the Will is strong enough, things will get done, slowly methodically overcoming obstacles.
If you have a will. You will do!
Very good battery design as you will be able to find which single battery cell that has failed. its a lot of wiring and well worth the effort well done
Great video this is the best battery build I have seen looks really good it's well worth the time and effort you put into it. The way that it's wired is good because if a battery should fail like you said it only brings down part of the battery not all of it which is good if your on your bike in the middle of know where. Looking forward to part 3.
Of course, I didn't mention about thermal runaway - if the cell is faulty and goes into internal meltdown, it'll cause a chain reaction and take the whole pack. Theoretically, that would never happen because the balance wires would burn before it has time but there's always a possibility.
Best part of this channel has always been his ability to laugh at himself. I hate polished channels that only show everything perfect.
Everyone makes mistakes and part of learning is making mistakes. I hate it when you only see a finished product and they say that it all went perfect when you know too well that it didn't.
These mousemats are great. And inspiring. Both of them!
I think you should have one 😉
Saving for a bafang mid drive kit. Considered making my own battery to try and save some money.
Yeah... Not sure I fancy doing it now, I'm almost certain I would end up zapping myself or causing a major short and burn my house down.
I have some experience with repairing lipos, and I've used a fair few 18650 and 2100's before, but not this many.
Makes me nervous just thinking about it lol
Hi my friend! I'm from Greece 🇬🇷 🙋 I'm in the same place with you! But even i asked for motor winding or batteries i don't take answer... And move to the next step based on my own knowledge and what understand from RUclips videos...🤷
Wish you good luck my friend!!!!!🙏
It's not as bad as it looks. One thing I advise is to use some sacrificial wire. If you get a very thin strand held between 2 pliers and then bridge the gap you want to spot weld, you'll prove that you're doing it correctly. All that can happen is the wire will melt and not cause any damage.
@@Vortecks Good idea, bridging that gap can be nerve-wracking with an asymmetric pack at eighty-odd volts.
I was just thinking about that wiring battery's like that so I can see the voltage of every cell making it much safer. good video no click bait.
Thanks for the video but i am wanting to get into making batteries to replace rechargeable lights that went bad. I have no experience but im lost when you say 84v for the pack of ten batteries. 3.7v times 20 cells should be 74v. Im confused.
No link for the RS tape, Tony?
Where did you get the cells? And are litokola no longer good?
If you watch part 1, your questions will be answered ruclips.net/video/0fVERHsYxTo/видео.html
You said you remove flux from soldering. You remove it with alcohol or?
Isopropyl Alcohol, as far as I know... 96+ concentration.
Yes, 99.9% Isopropyl alcohol. You can buy special flux remover but in essence, it's IPA
Have you ever thought about using 21700’s? I seem to be making more packs with 21700’s as they have far more capacity and discharge capability then 18650’s
I'm sorry but that's wrong. This pack (8 parallel) will kick out 280A. The equivalent physical size pack with 21700 cells would be a 6P configuration and, even if I used Samsung 30T cells, it would only be 210A
@@Vortecks don’t have a clue where your getting your data from but VT6C’s have a 20A max discharge so that’s 8x20A=160A
If you was to use P42A’s they have a max discharge of 30A so 6x30A=180A. Data talks !!
I'd get a couple of mouse mats!
Sorry to bother you I know you dont like when People sam why you didnt do this and etc. What do you think about laser spot welder copper strips instead of nickel. I heard greyp does that with their battery packs
Laser spot welding is much better than traditional spot welding because it's precise and constant. The only problem is, I haven't got the kit and I can't afford it, I'll just have to drool over photos 😁
Some might say Geoff wakes up when Tony goes to sleep and the last time he built a battery was to keep powering the 🌞🌞👍😂
Theres nothing independent here, you actually connected them all in paralel just with wires instead with nickel. Also cells dont randomly go short circut. thats just idea that possibly originates from hbpowerwall because he fused all cells in his packs. also if balance wire burned (it never will but lets say you cut it) pack is again not open circut, just point where wire burned is not balanced with rest and series pack works the same.
please understand this is not "ur just wrong" comment. try drawing a scheme of this and you will realise what im talking about. you just made effectively the same thing just with extra steps hah
With this logical, i can make 2 different packs 20s 5p (because of space) and connect to one BMS!!🤔
Ok.. i won't make it like yours way (of course is better, but need skills), but the basic idea is the same...
2 pacs 20s5p with one BMS... I will double the balance wires and must work... Am i right..??🤔
Theoretically, it should work. Remember though, your balance leads will need to be the same length to those cells, if not, there will be voltage differences causing issues in the bms sens circuit. Not only that, but one wrong cell level connection will cause damage to other cells and probably the bms..... There is a reason these packs are designed the way they are, so make very sure of your cell level connections...
That what's she said.... LOL