Cor van de Water via EV wrote:
Depends on your current. Typically I would say in the order of
magnitude of 0.1 mOhm (milliOhm) because a 300A current will then
give 30mV drop, which produces 300A x 0.03V = 9 Watt of power loss
as heat.
Martin WINLOW via EV wrote:
At EVERY connection? In a 120V lithium pack that 's 38 x 9 =
nearly 350W of heat!
No; Cor has it right. And, 0.1 milliohms is a *good* connection. You
will discover that it is damnably difficult to make a connection that
good with aluminum terminals!
--
You never change things by fighting the existing reality. To change
something, build a new model that makes the existing model obsolete.
-- R. Buckminster Fuller
--
Lee Hart's EV projects are at http://www.sunrise-ev.com/LeesEVs.htm
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