Bus bar ideas

[Redbeardbeer]

Hi all.

I'm building a modular battery pack which initially is going to be in a 80L storage tub for now.

Setup is 18x 14s1p packs of 18650's.

Looking for ideas to join the + and - together for each of the 18 packs (this will increase as I add more 'bricks' to the battery.

Don't need super high current from the bricks to the main bus bar, but just not sure what to make the bus bar out of. Any ideas that others have done for something similar?

Thanks

 

[T-486 Ashepoo]

Hi Redbeardbeer,

I used blue sea bus bars to parallel 5 13s6p battery packs. I used the 100 amp 5 position bar. You maybe able to use a the 10.

Amazon.com

Regards,
T-486

 

[Redbeardbeer]

Hi Redbeardbeer,

I used blue sea bus bars to parallel 5 13s6p battery packs. I used the 100 amp 5 position bar. You maybe able to use a the 10.

Amazon.com

Regards,
T-486

Cheers for that.

I went a different route and have built a 14S32P setup with 14*32P bricks daisy chained/serial together to get to 48v (58.8v fully charged).

I used nickle strip on the negative of each of the 32p bricks and soldered nickel 'straps' onto a 6mm2 copper cable to act as the bus bar. The top/positive sides of the cells have a 5A glass fuse soldered to each and then onto another 6mm2 copper cable bus bar. Each pair of ends of this copper cable goes into an EC5 connector (female = pos and male = neg).

 

[T-486 Ashepoo]

Cool. I have some batteries on order and will be soldering soon. Never done it, but I'll save your pictures and look on youtube for reference.

 

[Redbeardbeer]

I used a bit of info from HB Powerwall. He has a lot of details on his videos

 

[Supervstech]

What is the chemistry of the 18650’s?

What are you planning to use for cell protection and monitoring?

 

[Redbeardbeer]

What is the chemistry of the 18650’s?

What are you planning to use for cell protection and monitoring?

They're just standard lithium-ion

I have a JK BMS