thanks! going to post alot more of those soon, including new bike build with 100V Lipo pack

thanks so much!

Thank you!

Thanks so much!

I built a vruzend kit battery 54volt.Samsung 25r cells.but got battery sag after a while so bought a green cell battery

Thanks alot, Rich! I'm not the best about recording the builds Ive done and posting them but I'm planning on putting some more stuff up. The bike I have linked in the description is a 4T QS205. Theyre great motors and can handle a ton of power. feel free to reach out if you have any questions once you get building. happy to help out! which controller will you be using?

@@GaiusGarage I have a Nucular 12f I got from Russia and am shooting for 10kw. Looking for suggestions on a frame and still need to choose a rim to lace the motor into if you have any guidance. Cheers.

@@TheRoadtoGonzo ah nice! Id love to get my hands on one of those - how's the programming? I got this frame from ebay mainly because it was cheap and I though it looked pretty good: www.ebay.com/itm/Electric-Bicycle-Bike-Frame-Kit-Stealth-Bomber-Electric-Bicycle-eBike-Frame/223609867251?hash=item34102fcbf3:g:HHAAAOSwg9hdOWpv - its a little heavier than Id like but ultimately solid and has alot of space for the battery, which as per this video, was a must. The other frame people use is this enduro frame (just search "ebike enduro frame" on aliexpress) but its like $600 and less space - although its probably a bit lighter and more ergonomic. I got 17" motorcycle rims on mine with enduro tires - can find the links if you'd like - kinda depends if you want more speed or acceleration but with a 5T, 17" wheel will give you a lot of kick, meanwhile 29" bike tires would give you max top speed but Im not sure you would get much above 45-50mph with 5T. Im getting 55mph top speed with 4T motor and like 24" outer diameter at the tire. then again field weakening might give you some extra top speed

@@GaiusGarage haven't tried programming it yet but from what Ive seen it looks very clean and well laid out with some auto-tuning options as well

@@GaiusGarage For the 14s10p I am building, its just for a 750w-1000w hub in an eBike I put together last year. I am going to set the controller in that existing bike to 30amps max so quick question 12awg silicone wire should be fine for the terminals for that battery pack right?

thank you!

thanks! yeah Im never opening this thing back up to service it - if one of those come loose or dislodge this whole thing will be significantly stifled or completely defunct. just thinking in terms of all the vibration over time and climate effects plus electrolytic corrosion - I really dont think I did a good enough job. but still nice a balanced a year later!

@@GaiusGarage Ya welcome! Honestly, the only other thing ya could have done is that after soldering, but before folding it up, was conformal coat the internals!

thank you!

thank you! feel free to reach out if you have any question

not my first battery build but my first (and only) one of this size - although I did build another ridiculous pack from Lipo cells that Ive been meaning to post but too lazy to edit lol. thanks alot!

@@GaiusGarageI hear you there, i keep meaning to do the same but couldn't be arsed, have enough to be doing already 😛

thanks so much! pic of the bike using this battery pack is in the comments - going to make a ride video soon!

@@GaiusGarage Looks great 👍 There’ll be a few people (including myself) glad to see that video.|I bet that machine really shifts 👍

ditto to the above comment by jonnyswlk4674, i canna say anything more, this is the best instructional video i ever saw, alas i don't understand much of it lol.

@@GaiusGarage Hi hello sir, may I allow to ask a question and please help reply with your expertise on ebike battery. Yesterday when I was paddle my ebike at home with the parking stand mount on the floor, for testing the ebike speed, then suddenly my mother was talking to me, instead of I need to press the hand brake to stop the spining ebike, I turned off the ignition key, THEN I heard a "pop" sound (the motorhub was still in high speed spinning) I don't know the "pop" sound was came from the battery or came from the controller. Sir, may I ask in most of the cases, let say, if a person paddle the ebike halfway through, when the battery still on going supplying the energy into the controller, and the controller still on going supplying the power into the motorhub, and the motorhub still drawing power spinning at fast speed, then he turn off the ignition key OUT OF SUDDEN to cut off the ON GOING power supply intake from the battery, in this case what will happen to my battery? Sir, please help me, then I unpluged the ebike power plug from the battery, then I turn on the key ignition to purposely release the electric in the controller, then I plug the ebike power plug into the battery and heard a as usual spark sound. My concern now is, how do I know I already wound, injury, or damage my battery or not sir. Hope you understand my question, trillion thanks if you would please reply sir.

@@GaiusGarage it's ok to charge from the main output connection on these batteries? my EUC battery has two pairs of smaller black and red wires coming out that don't indicate any voltage

Oh nice! yeah sounds like your pack is in good shape, which is the important part!

@@GaiusGarage What day/time for the zoom works best for you? I have a lot of free time so I just want to make sure to book a time where you have the full time and focus to help me out. Just lmk what works best

@@schmeglyomigy6174you can choose a date/time on my Calendly calendly.com/gaiusgarage

Thanks! link to ebike using this pack is in the description

thanks so much! this music is from a great playlist I found on youtube a few years ago - lots of other awesome tracks check it out kzfaq.info/get/bejne/q7JgoNmBv9vPnIE.html

@@GaiusGarage Thanks you are awesome art maker and listener . Keep up the good work always .

I added those here 1:09

@@GaiusGarage yeah, was saying im adding to the importance of it, loved that you put it in the video.

yeah I was originally going to build 16p but there was no way to arrange the cells to fit in the frame. 20p would be huge! links to pics of the bike in description!

@@GaiusGarage i have not made any purchases in electronics yet however i am thinking of building a 4kW nominal motard

@@GaiusGarage I am going to use this same layup (2x7)x4x5 however I will check wether a (2x10)x4x5 configuration or (3x7)x4x5 would fit the frame best.

how would this affect the battery during charging

@@Matt-og5kd That's a good question, I don't think it affects TOO much, since this is a configuration found in car batteries. It might slightly increase charging time perhaps?

thank you! interesting thought on the balance wires - to my understanding the BMS is measuring the voltage potentials only from the balance wires, in which case the current (dependent upon resistance) wouldn't matter. but if the BMS performs some other functions that depends on measuring current in the balance wires with some high degree of precision, then their length might play a role

thanks so much!

Thank you, sir!

thank you! I actually don't have the raw footage anymore but even if I did it would be hours of footage. is there anything you wanted to see more closely in particular?

@@GaiusGarage oh belive me I know it would be hours haha and it was more interest toward the techniques used throughout the process, this video covers everything in wonderful detail, I was just thinking if you're doing the battery build anyways filming the workspace even without talking much would show the nuance detail. Again this video is easily great enough for using as a building manual. I just really enjoyed this build and if a future one is ridiculously long I would just watch it in sittings a few times over before going about building my own powerful battery. Just something to throw out there if you were looking for any ideas. All the best mate 👍

@@GaiusGarage hello big brother im live in turkey can you gift me another litle battery please?

@@memcan5602 😂

@@Anees- our money is worthless

sick! thanks so much. glad this video is helpful for people! please reach out if you have any question at any point. happy to answer!

How long copper plate you used for this project ?

@@shavkat84 I didnt measure it - just whatever length is needed to cover the p-group

No, I never had any issues with overheating. heat is not really an issue unless you're really pushing a battery pack to it's limits. in this case, I would only run it at max discharge for short periods of time (when accelerating hard) but most of the time the demand was much more moderate. so overheating was not an issue even when wrapped and placed somewhere with little airflow

Most common solder melts at around 200C - if your connections are heating up this much during use, you've got much bigger problems

for sure! if the dimensions work for you, you can do it exactly the same as in the video but with two 11s groups of 3x3 cells. you should have pack that's 715mm x 54mm x 108mm

Can I get your contact number please

you'll definitely get more power & acceleration with more current but your battery is not necessary the limiting factor. ultimately, the controller determines how much current is being provided to the motor(s). It's possible that the battery isnt able to provide enough power to the controller but if everything is stock, chances are it's all designed to be complementary. Its also possible that your battery pack is capable of more power but the current is limited by the BMS. Basically, it barely matters what the rating is on the motors - most can operate in a wide power range range - how much power they actually receive can be limited by the controller, BMS, or the battery pack itself. more power means upgrade one or all of those components

@@GaiusGarage Oh wow thank you for the feedback. as long as I don't need to upgrade the motors I'm sure I'll be happy to swap out the BMS / controller / battery.

@@cainetastic Looking at building a eMotocross bike. For higher amperages look towards golf cart setups.

I actually recorded some riding footage now that it's a bit warmer out. will post a video soon!

yeah its something like that. I dont remember exactly

yes, any amount of voltage is dangerous and becomes more dangerous as the voltage increases. always use gloves and take precaution when working with high voltage

thank you so much, sir! 18650 are HOTTT 🔥🔥🔥

Im not sure about the battery on a Zero - if I had to guess I would say it does have a temp senor

it would work with sur ron motor and bac4000 but there's no way this will fit in the battery compartment. maybe if it were arranged differently

please check out my Instagram @emot.os pics of the stealth bomber bike are there!

thank you!

@@GaiusGarage do you sell built batteries

@@InvokePerformance I do, actually. nothing big like the one in the video but I do have a 52V 12Ah downtube for sale on eBay and about to post a 72V 14Ah downtube pack that puts out over 6kW

@@GaiusGarage very nice what’s your eBay account That 12ah 52v battery is perfect for my 2000w scooter

@@InvokePerformance its www.ebay.com/usr/raygt55 - although that 52V battery has only a 25A BMS - might be too low power for 2000W

If only you put so much care into your spelling and critiquing of others.

​@@joshuacrooker6489inj