Kraton Another Battery Question...

[jaro's rc yt]

So, I previously asked if I could run two 3s lipos, the same capacity but different company's... I got responses saying it's not recommended
I just found out that I have another 3s from the same company, but there is a difference, they are the same in every way, c rating, capacity, cells, but one is a Hardcase and is taller, but less long, the other one is longer and less tall and is soft case, I am not planning to run this in the long term, but would this be safer than running lipos from different companies? Thanks

 

[jondilly1974]

It could be close enough but you still run a risk. You ideally should run two identical packs that are bought together.

Or... just buy a 6S pack and you don’t have to worry about matching packs. ??‍

 

[Ari33]

^ +1

 

[Outcastblxnut]

+2

 

[ARRMA King]

If they are close enough in weight and individual performance, just try it for a ‘easy’ test run config and then somewhere 70% down stop and measure all the individual cells for relative capacity used/left and that’ll give you an idea of what’s the limiting factor of the bunch and how much useable window you ideally have.

Be scientific about it and you can’t mess it up. If your really paranoid about it put 2 Lipo alarms on each balance tap lead set to ~3.5v per individual cell.

 

[jaro's rc yt]

It could be close enough but you still run a risk. You ideally should run two identical packs that are bought together.

Or... just buy a 6S pack and you don’t have to worry about matching packs. ??‍

If they are close enough in weight and individual performance, just try it for a ‘easy’ test run config and then somewhere 70% down stop and measure all the individual cells for relative capacity used/left and that’ll give you an idea of what’s the limiting factor of the bunch and how much useable window you ideally have.

Be scientific about it and you can’t mess it up. If your really paranoid about it put 2 Lipo alarms on each balance tap lead set to ~3.5v per individual cell.

They are the exact same weight

 

[jondilly1974]

They are the exact same weight

Well that’s not a good thing if one is hard case ??‍

 

[olds97_lss]

For a short test run, your probably fine, but I wouldn't use them for extended runs.

I only run 3S packs in pairs which are the same brand, c rating and purchase date. They are all labeled so I don't mess up. I always run them in the same pairs.

Also best to use one thread for the same question vs having 2:
https://www.arrmaforum.com/threads/can-i-run-two-different-brand-lipos-in-my-kraton.17169/

 

[arrmadillo]

Dude, just buy a matched pair or brick, there are good lipos at cheap prices out there. You don't run a Ferrari on 97 octane lol.