LTO bank vs LiFeP04 for daily system

Screenshot_20220730-150055_Gallery.jpg
 
I'm intending on converting it to 12v by cutting the one bar on the pack. No real reason to re-arrange the cells if it fits how it is.

I believe you are correct. It's been a while since I've had a beast module in hand.

It's not an uncommon thing to repurpose the 24v setups bars. Just something I haven't seen in a little while personally.
 
I believe you are correct. It's been a while since I've had a beast module in hand.

It's not an uncommon thing to repurpose the 24v setups bars. Just something I haven't seen in a little while personally.

You just have to cut one bar and you get 2 seperate banks. From there you just add 2 jumpers and bam, a 96ah 12v pack with balance leads.
 
Yea I've seen it done just been a while

So, with this arrangement I would be running 4s12p. I'm not 100 percent sure, but I'm guessing I can use a single BMS since each batch of 12 cells will self-equalize and we just need to match the 4s.

Does anyone have any suggestions on a remote voltage/amperage display?

Matt
 
So, with this arrangement I would be running 4s12p. I'm not 100 percent sure, but I'm guessing I can use a single BMS since each batch of 12 cells will self-equalize and we just need to match the 4s.

Does anyone have any suggestions on a remote voltage/amperage display?

Matt

Yes 1 balancer will work.

The remove voltage/amperage display is using a digital shunt.
 
Question: if he doesn't run the lifepo4 bank under the voltage threshold, would the cycle life be a factor? Also asking for me as well lol
Obviously the published cycle life figures are under optimum lab conditions. Over voltage, or big peak current charge/discharge should further reduce expected life. Though the "life" published is generally still leaving cells at 80% of new so it's not like you throw them away after that point either.

I'm intending on converting it to 12v by cutting the one bar on the pack. No real reason to re-arrange the cells if it fits how it is.
DO consider how big the bus bars are. Is the material sufficient for the current you'll be trying to run?
 
Obviously the published cycle life figures are under optimum lab conditions. Over voltage, or big peak current charge/discharge should further reduce expected life. Though the "life" published is generally still leaving cells at 80% of new so it's not like you throw them away after that point either.


DO consider how big the bus bars are. Is the material sufficient for the current you'll be trying to run?

It's tinned copper, about 1/8 thick from what I can tell, should be plenty. I do intend to re-build the packs and put them in HDPE ammo boxes down the line, when I do that I'll end up using some different bars.

Matt
 
It's tinned copper, about 1/8 thick from what I can tell, should be plenty. I do intend to re-build the packs and put them in HDPE ammo boxes down the line, when I do that I'll end up using some different bars.

Matt
The key is cross sectional area.

 
The key is cross sectional area.


Yea, the link says "300a" buss bars. Can't really do the math with them in hand, but it looks like they are at least that 300a rating if they are 1/8.

Matt
 
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