Brammo Empulse Discussion > Brammo Empulse Mods

Off board charging

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vtbrammorider:
Cleaned up my charge box and cables.  Original charger cooling fans have been mounted in the charge box.



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DjZ:
Hi Vtbrammorider,

i am new to this forum, but i have read quite a lot already. Can you tell me what size these charger fans are? I am thinking of replacing them with some more silent ones, because they are quite noisy and my neighbours in the same garage aren't to happy about it.

DjZ:
Found this fan with same cooling power and 35 dbA compared to the 50.5 dbA of the standardfan. It requires 4 W less and is even IP68 protected.

this is the old fan: https://www.digikey.com/product-detail/en/delta-electronics/PFB0612SHE/603-1848-ND/5023775

here is the one, i will replace it with: http://www.ebmpapst.com/de/products/compact-fans/axial-compact-fans/axial_compact_fans_detail.php?pID=160979

nunux59:
What tell you that they have the same cooling power ? The PFB0612SHE is 43.6 CFM while the
632/2HPU is only 25.9 CFM. It is certainly more silent but has almost half the air flow :/

DjZ:
Yes your are right, they don't have the same cooling power. I noticed it myself already. I had a unit conversion error in my head from 43.6 CFM to 44 m³/h.

But nevertheless I have bought 2 of them and will try them as soon as possible. I will keep you posted on the result.

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