How To Build A 72V SURRON Battery: PART 1
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- เผยแพร่เมื่อ 6 ม.ค. 2023
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PART 1: This is not a complete build it is missing the main battery leads to the main positive and main negative. I only installed an XT60 charge port just to charge it and activate the BMS. (Technically its like a 90% build) Whatever leads and connectors you put on is ultimately your choice depending on the load size of your motor and speed controller.
First things first shout out to @JimmyFPV for helping me out along the way.
He is actually in the first minute of the video helping me design the case for the battery while I put the rest together with the parts that I presented in the video.
Parts List:
Batteries - Samsung 4000 mah 21700
www.bulkbattery.com/products/...
Nickel strip
Pure Nickel Strip,10m (1Roll) of 0.2x10mm Nickel Tap for 18650 26650 32650 AA Cell Battery Pack Spot Welding (0.210mm) a.co/d/4BTU6j0
BMS - Ant BMS 400a
www.electroandcompany.com/pro...
Cell Holders
Fielect 10Pcs 5x6 Cell Spacer... www.amazon.com/dp/B082SJFYFR?...
Kapton Tape
MYJOR High Temperature Kapton Tape, Professional for Protecting CPU, PCB Circuit Board… a.co/d/eYRaH6D
Other materials:
Solder rosin core
Spot welder
Soldering iron
Patience
I hope this information can assist you on your battery building or Surron journey.
More Content Coming Soon!
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For anyone that’s reading this thread let me give you a little information. This battery that is in the video is capable of over 20kw. 72 x 400amp BMS equal well you know do the math. I don’t know where this guy got 60 from but I hope this cleared this up from anyone getting confused.
Yeah I was thinking that too, now 400 amps on a full charge tho would be 84 x 400 over 30kw
@@itzpogboy I’m not sure if it’s supposed to be multiplied by 72 or 84 because youre only at the top of the charge for so long. You might be right though I’m not taking that from you at all lol. Thanks fo reaching out too
yes regardless tho how did the guy in the video get 60 lol lets call it 25kw @@mikeyyywill
@@mikeyyywill What is the cost to build this yourself?
Thats bad ass dude 👍
I threw you a subscribe!! You have cool content !!!
Dope 👍
THIS IS A GUIDE: MOST PARTS CAN BE INTERCHANGED WITH DIFFERENT CELLS, BMS’s, and NICKEL STRIPS. NICKEL STRIPS COME IN A VARIETY OF SIZES
Hi. Thanks for this great tutorial video.
I was wondering if its easier to build what you did here using 9v batteries. What are the obstacles that you will come across with building a pack with 9v batteries?
Good question. For starters it would be difficult to get the nickel strips to stick to the tops of a 8v battery. I’m bot sure how rechargeable they are
@@mikeyyywill
Oh ic.
Thank you.
Hey dude, thanks for the video and all the info. Legit thinking about doing this now. Are u guys planning on selling the 3d printed parts or just going to release the files?
It’s still being designed. We’re testing it soon. We had to make some alterations to the battery box. Maybe in the future though. We just gotta make sure we build it and test it ourselves before we put it out into the world
Love it mate truly
How many cells were used to make this if you remember
@@noneya96 120 cells
Parallel is what you do first , your connections are series connections between the cells. Just thought I would make that correction.
You don’t have to do parallel first , but most people do because it’s easier
Hey, Thanks for the instruction. Is there any way to diagnose a completely dead SUR Ron 67v? No screen activity. I hear this battery was left on for 3 months. Now nothing! Any ideas?? Thank you....
I know this post is old but if you still have the dead battery search " Sur Ron Battery Jumpstart (Low-Voltage Cutoff) " on youtube.
Yo wassup mikey? Would i be able to use this on my surron vs getting a battery replacement?
Unfortunately no. Because the stock surron battery is 60v while this one is 72v. You can’t go up and down unless you have a speed controller that can use both. The stock one doesn’t have that capability
You could do this build and just make it 16s instead of 20s. Just buy some smaller BMS’ sand less cells
You never made a part 2 video bro?
Hey, Shouldn't this battery get less range since its 4ah x 6p = 24ah with 72v = 24ah x 72v = 1728wh. While the stock battery is 60v with 34ah. 34ah x 60v = 2040wh.
I literally just rode 4 hours from 12-4:30 on the battery today. At 72v the power isn’t as demanding at 60v
@@mikeyyywill Oh, I see. How many watts you drawing? Must be fun riding that beast!
@@3DRobot69 off-road I’m only drawing like 50-75amps because I’m only going 30-40mph. On road it will drain faster the faster you go
So did you use a total of 120 21700 batteries??? It looks like 30×4...
Yea 120 batteries and I think it was 30x4
@@mikeyyywill thank you!!!
@@jasonhartless3797 yea it’s 6x5 and then you connect the 4 packs or do them as you go. For me it was easier to just do 4 separate packs and then connect them
Hey man what app do I use for the bms
Ant BMS app. It looks like an alien is on it and it’s blue on the apple App Store
@@mikeyyywill thanks
Can you build a 60v battery with more ah?
Yes
Can you please share the box 3D file? I want to build a 72v60A and just need the box. Thank you
Hi, what kind of cells do you plan to use and how many amps of BMS?
@@maksymradchenko5063thank you for replying. I want to recreate the chi battery 72v60A. They told me it contains 240 LG21700 cells. For the BMS i was thinking an ant bms with 200A. I want my Surron to go around 60 miles/h for around 50-60 miles of range. I'm just stuck on the case 😊.
Thank you
@@Qiunesssalut
Au reusit as faci bateria?
@@arvatadryan0987 yep.. Acum printez carcasa
@@Qiunessoare ai ceva date de contact ? Vreau să fac și eu aceeași baterie de 72v și poate aș avea nevoie de ceva ajutor dacă vrei bine înțeles
Hey man I’m going to attempt to to build my first battery. Do you mind helping me out? Also trying to figure out total cost on making a battery capable of 30kw 72v Surron battery… any help would be appreciated man.
You’re going to need a 500 amp BMS and make sure you buy copper strips to install
@@mikeyyywill how much do you think the whole battery will cost? I woukd like around 42AH
@@Mr316jon316around £630-700 for the parts alone, then your gonna need a decent soldering iron and a spot welder. The only 2 things I didn't add to the parts list was heat shrink and padding since they can be improvised (bike tyres and tape)
Mate mint fcker been locking for this video i really would love to see the full build
It’s coming soon but that is the majority of the battery right there. It just needs discharge leads
Can you make a case fore a chi 72v battery??
Maybe I don’t want to get in any copyright trouble. I’m probably going to have to reach out to chi to get permission to distribute
@@mikeyyywill take my money
Wish there were more videos on cases
cant see what your welding, you need a overhead view of the battery
We do not need to look how you are going down whit yours spot welder
What do you mean?
This guy built a battery? Lol
Is that a problem?
There is no way you can discharge more than 80 amps without heating up all the nickels and I'll bet your voltage drop is
huge
Because u think building high power batteries is a joke
Next time use copper busbar for your own safety!
There is an updated short on where I added more nickel strips to handle it. I put more on the whole battery. I had someone else tell me so I added more for safety
Never had the pack get warm or had any random turn offs. Checked for hotspots and everything
I’ve had over 10 cycles on this battery as well. Thanks for your input though forreal. I’m not being mean or anything
@@mikeyyywill u are in the right direction bro 😎
I'm glad somebody else noticed. i was worried for this guy's safety through the whole build. And the discharge connections were completely inadequate.
😂😂 lol 🚬
Been a year and a half and no magic smoke. You obviously didn’t see the second part to this video. Have a good day though