Copper busbar

bds70 · May 1, 2024

I have 2 metres of copper bar measuring 10mm X 25mm. Is that thickness too big to use as busbars on 320ah batteries in parallel?

kromc5 · May 1, 2024

I oversized the busbars for the amps I would pull and had no issues.

SoakedUp · May 1, 2024

Can’t help you. I only measure in freedom units.

MrThisIsME · May 1, 2024

SoakedUp said:
Can’t help you. I only measure in freedom units.

At least he did not spell it Metre. Give him that much.

On the bright side with Metric we can take 10mm x 15mm x 1.2 = 300AH.

If the battery BMS is putting out 100AH max, seems about right for me. Could get away with smaller, but run with what you got.

Budsy · May 1, 2024

kromc5 said:
I oversized the busbars for the amps I would pull and had no issues.

I just bought 3mm thick copper bus bars for my ssp 4x 100 ah agm battery pack. Will they be thick enough?

bds70 · May 2, 2024

MrThisIsME said:
At least he did not spell it Metre. Give him that much.

On the bright side with Metric we can take 10mm x 15mm x 1.2 = 300AH.

If the battery BMS is putting out 100AH max, seems about right for me. Could get away with smaller, but run with what you got.

Freedom units? Is that antiquated feet n inches? Never heard that term before.

With your math, what's the 1.2 figure please.

bds70 · May 2, 2024

bds70 said:
Freedom units? Is that antiquated feet n inches? Never heard that term before.

wdwtx2.0 · May 2, 2024

I use 600 amp bus bars on a 200ish amp system.
No such thing as too big if it fits in the enclosure.

Copper busbar

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