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Alternator Charging rate

Posted: Fri Apr 18, 2014 3:31 pm
by jcasey007
Hi All

the charge voltage of the CB650 is well documented on the forum but does anybody know what the maxium charging current is?

Haynes state that it is 260 watts @5000 RPM which at 12 Volts means a max charge current of 21 Amps ( I don't believe this to be true)

so before I start taking things apart has anybody measured the charge current?

I'm running a small Lithium battery which in hindsight I think is a bit small, fully charged (from my automatic battery charger) she cranks and starts second push from cold. After I have had it idling for 10 mins she struggles to crank but is being charged at 13.8 Volts and has a max of 14.4 Volts (both of which are as spec'd)


cheers

Jim