Regulating battery charger current

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I am building a home made generator; lawn mower engine and car alternator.

The problem is that the alternators can do 45-65(?) amps, but I do not
want to try dumping that much current into an expesive deep discharge
battery (130AmpHr)

What is my best way of limiting the current to C/10, aka 13 Amps?

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Re: Regulating battery charger current

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A decent voltage regulator on the alternator.  (It should already have one.)

Check the battery manufacturer's charging recommendations.

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