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18650 3000mAh LTO Lithium Titanate Battery? (Testing) 

EV - Customs
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17 дек 2021

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Комментарии : 55   
@ZebbMassiv
@ZebbMassiv 9 месяцев назад
I would use these in a very large battery pack for use in electric snowmobile since they are excellent performing in extreme cold.
@benriefourie115
@benriefourie115 2 года назад
Thanx. Looks interesting. Like the music to 🎶
@Hiiisayy19
@Hiiisayy19 2 года назад
mantapp...good test u amazing.
@EVCustoms
@EVCustoms 2 года назад
Thank you mate..
@emilgil1490
@emilgil1490 4 месяца назад
CLAMP amperometer only for changing current but kind of peak was visible... Nice to know about LTO that is coming to me as well.
@solarute6066
@solarute6066 2 года назад
A charge - disharge capacity test would be instructive. My guess is that it's 1300mAh. These cells would be far superior for projects, much safer.
@xdellavedova
@xdellavedova Год назад
tried today LTO as video 1200mAh not 3000mAh
@user-ug9nn
@user-ug9nn 2 года назад
quite nice.... and also the capacitor stile is nice, more easy to work with... just a regular PCB will not work, need thicker traces and solder might not work at high currents.. I think this type of package for this cells look like more China Style Improvisation , also no marking on them showing same china style dubious quality...
@harryboyer8858
@harryboyer8858 2 года назад
Nice vidéo, as usual. Thanks. What Is the référence of IR température measurement device ?
@EVCustoms
@EVCustoms 2 года назад
Thank tou man.. what kind reverence you need?
@davidjonssonsweden
@davidjonssonsweden 3 месяца назад
Seller no longer available on Aliexpress. Can you update the link?
@user-fk8ke8yx2u
@user-fk8ke8yx2u Год назад
Здравствуйте. Сделайте пожалуйста тест на количество циклов и потери ёмкости при нагрузке 3C
@johngarcia21769
@johngarcia21769 2 года назад
Can you make a video with the tf100 scooter throttle. Coz I watched the part 1 and 2 of your video about bldc controller learning board for beginners.can you pls make a video using tf100 throttle controller?thqnk you.more subscriber.
@paulwyleciol3459
@paulwyleciol3459 2 года назад
the "music" is very annoying, but the test´s were very interesting
@indiandance5564
@indiandance5564 2 года назад
Hey, I am building an electric scooter. I am using a brainpower controller. I don't know which wires are the ignition wires and the ones connecting to the display. Can you please help?
@wjxway
@wjxway 2 года назад
Probably a mistake with charging speed. In your video you are charging at 2.8V constant voltage mode instead of constant current. A better way of testing would be turn up the voltage and charge at 10C, while looking at if it will explode or retain/release all these energy.
@1kreature
@1kreature 5 месяцев назад
Constant voltage and constant current. The MAX voltage is limited to 2.8v and the current can be limited to 10C. If the battery voltage rises too fast, the voltage limit prevents the possibility of pushing in enough current.
@hshsjjjdkdkckkcjck7766
@hshsjjjdkdkckkcjck7766 2 года назад
where do i buy thems?
@CAZrides
@CAZrides 2 года назад
Looks like a capacitor would be hard trying to make a pack out of it
@EVCustoms
@EVCustoms 2 года назад
If you search on AliExpress for 18650 LTO batteries you can find exactly like lithium 18650 batteries with max 1500mAh capacity, i will buy this batties for sure, to make scooter or ebike battery pack.
@doooofus
@doooofus 2 года назад
wish i could find an 18650 lto without those spindly terminal connectors, just the normal flat plate wtith +ve and -e at opposite ends like regular li-ion 18650s. only ones i can find are on aliexpress and i dont trust them to sell me real lto after a previous bad experience
@EVCustoms
@EVCustoms 2 года назад
you can find Korean lto 18650 cells.. but the are more expensive..
@doooofus
@doooofus Год назад
@@EVCustoms i had a look for korean lto after reading your comment but couldnt find any search results as you describe. since writing my comment though, i did actually buy the aliexpress cells i mentioned and said i didnt trust at the time - they're called BTR hakadi, i havent managed to devise the right sort of equipment to test them individually yet (as all the 18650 capacity testers i've looked up only use the conventional cell chemistries like LFP LCO LiPO etc, so i'm having to build my own) but ive got a dc power meter and a couple 2ohm resistors so i guess i can wire all that up into a useful circuit for a DIY tester, and those resistors should be enough for about a 1c discharge and i guess i can do both the discharge and charge capacity test once ive figured out how to make a microcontroller or something log the voltage while it's discharging so i can get one of those fancy graphs i've seen all the other battery testers generate. so cant quite update with detailed review just yet but i will say the 6 cells i ordered arrived within .003 volts of one another, and having waited a couple months they don't seem to suffer any serious self-discharge problems, as the lowest one now has dropped about .006v from the supplied voltage 4.292V, while the highest is at 4.292V down from 4.295 so on those 2 criteria alone, maybe i spoke too soon in condemning them, but until i've tested them properly i cant say for sure
@makantahi3731
@makantahi3731 Год назад
terminals can hold 6 amps
@venkateshbhamidipati900
@venkateshbhamidipati900 Год назад
Can these be used in Electric Vehicles?
@EVCustoms
@EVCustoms Год назад
Definitely..!
@1kreature
@1kreature 5 месяцев назад
@@EVCustomsEnergy density is 1/3 to 1/5 of traditional Lithium Ion cells so may not be too great in car.
@EVCustoms
@EVCustoms 5 месяцев назад
@@1kreature Hello friend... yes density is not so great ( yet ) there is no everything about range, in some vehicle's for example drag racing... you will use definitely LTO, or someone like me prefer long life battery and fast charging on his bike... each project need different type of battery..
@evronetwork
@evronetwork 2 года назад
Not sure about the quality of these, thinking of building an extender battery pack for my ebike but no writtings on the batteries, nothing about manufacturing date, no info ...just what a seller claims hmm, also BMS are harder to be found for these
@EVCustoms
@EVCustoms 2 года назад
I agree about markings and date... but this batteries was surprised me, after many test like shorting them , high current discharges at 22A on same cell until 0.0V four times, because i forgot it on load, now this cell have full capacity...
@EVCustoms
@EVCustoms 2 года назад
About BMS... now if you will search most of boards have also LTO option..
@evronetwork
@evronetwork Год назад
@@EVCustoms Yeah I found some now ..also some HAKADI 2.4v 1500mAh batteries have popped up ...at proper 18650 size - They have some writtings on the side, thinking of making a small ~12v pack and later on I might upgrade it to a 48v(20 cells) for my ebike. Ideally I'd expand it if it's last as long as it's believed, fast charging/discharging and last for 10+ years would be an WoW factor
@YaFunklord
@YaFunklord Месяц назад
Just ordered a load of these. All are between 1200-1350mAh from different sellers. Each batch seems to be equal though. Fake, and should be sold as 1300mAh. They are supposed to be 23680 but I received 18650 every time too. I know that real 23680 batteries exist with 2440mAh capacity..
@EVCustoms
@EVCustoms Месяц назад
Hmmm...
@YaFunklord
@YaFunklord Месяц назад
@@EVCustoms Huh?
@EVCustoms
@EVCustoms Месяц назад
@@YaFunklord You will build battery pack with them?
@YaFunklord
@YaFunklord Месяц назад
@@EVCustoms Still calculating the size. It may be more economical size wise to send them back and get bigger cells as I'd need 8p to make anything reasonable like an e-bike battery. I wanted to try to use PCBs to build the pack too. But delivery took for ever to get these, maybe I will just keep them for testing...
@YaFunklord
@YaFunklord 23 дня назад
@@EVCustoms After I opened dispute the sellers kept lying and not accepting any fault so I'm returning everything. I will probably get 23680 from a more reputable seller instead. Should be 2440mAh.
@1kreature
@1kreature 5 месяцев назад
Max charge current: 25000 mA (10C) => Capacity 2500 mAh Max discharge capacity 37500 mA (15C) => Capacity 2500 mAh So I would not believe the nominal capacity being 3000 mAh...
@EVCustoms
@EVCustoms 5 месяцев назад
Yes i scammed there..😄 this battery have actual capacity at 1500ma
@kundeleczek1
@kundeleczek1 2 года назад
So, what's the point of making high current battery that cannot discharge with high current because of leads?
@EVCustoms
@EVCustoms 2 года назад
I was check all batteries and all they have same capacity 1.4-1.5Ah, so for 15C discharge (22A) is ok.. i have tes them...
@kundeleczek1
@kundeleczek1 2 года назад
@@EVCustoms ok, but you said that leads cannot stand currents that this battery can give.
@EVCustoms
@EVCustoms 2 года назад
@@kundeleczek1 If the batteries was 3000mAh as seller says, at 15C this leads must hood more than 37A thing impossible... the actual capacity after capacity tes is 1500mAh so at 15C leads mist hold about 22A max.
@kundeleczek1
@kundeleczek1 2 года назад
@@EVCustoms can they hold 22A in your opinion?
@EVCustoms
@EVCustoms 2 года назад
@@kundeleczek1 Yes you can see this in video, discharge on dummy load at 22A
@3abdbgo
@3abdbgo 2 года назад
WTF this is capacitor!!
@EVCustoms
@EVCustoms 2 года назад
There are no capacitors in this size with a 1500mAh capacity.
@HamguyBacon
@HamguyBacon 2 года назад
This is a Lithium Titanium Oxide battery in 18650 form factor.
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