[RE-wrenches] AGM battery charging, more details

Hugh hugh at scoraigwind.co.uk
Sun Apr 24 10:43:59 PDT 2011


At 08:22 -0600 24/4/11, Allan Sindelar wrote:
>  if I understand your reference to transition current as a 
>transition to float, several charge controllers have that feature.

I imagine they are solar charge controllers. Diversion charge 
controllers as used on wind and hydro systems do not have access to 
the battery current to measure it. I am not sure how the solar ones 
can 'know' the battery charge current without knowing the load 
current (to inverter) but maybe there is a controller with an 
external shunt or something?  I'd like to hear about that.

thanks for any further pointers...
-- 
Hugh Piggott

Scoraig
http://www.scoraigwind.co.uk



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