Ultimate charging upgrade for an Isuzu 42 with standard V pulleys. 120 amp domestic and 90 amp start alternators with custom pulleys/quadpower belts twinned with Victron Cyrix combiner.

1300 watt Candy 100f fitted from new but the original 70amp alternator doesn’t keep up at any engine speed and batteries take a hammering which always happens on the Aqualine boats of this era.

Now generates 1.1kw at 800rpm tickover and excess power just off tickover.

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