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high-output alternatorsPOWERMAX HIGH-OUTPUT ALTERNATORS

  • Drop in Replacement
  • Fast Charging
  • Low Cost

The PowerMax Alternator should be the first item to consider when expanding on or upgrading your charging system. The PowerMax delivers high current even at low engine RPM. In combination with the 2-step voltage regulator supplied, or matched with a smart 3-step regulator, you can be sure that your PowerMax alternator represents one of the most efficient methods of charging your batteries. With 5 times more charging power than standard alternators, the PowerMax represents one of the Best Power Buys on the market! This means reduced engine running time which will save on fuel consumption, noise, heat and engine wear and tear.

high-output alternators
Click to enlarge

Remember to Upgrade your Output & Ground Wire!
Ferris Spike Stop

POWERMAX Alternator Features:

  • Compatible with GEL, WET and AGM batteries
  • Marine and USCG certified
  • Available with single or dual pulleys
  • A connection for electrical tachometers
  • A drop-in replacement for most alternators

POWERMAX Options:

  • 3-Step Regulator
  • Cables (Any length with lugs installed)
  • Spike Stop Surge Suppressor
  • Spares Kit for Cruisers

POWERMAX
High-Output Alternators
Small Case Alternators
PowerMax small case alternators are direct replacements for existing alternators. PowerMaxes up to 150 Amps can be driven with a single drive belt. All PowerMax 12 and 24 volt models come with an external, adjustable, 2-step regulator, with wiring harness, fan, and pulley..

Large Case Alternators
PowerMax Large Case Alternators produce incredibly high current at the lowest possible engine running speeds. The 12 & 24 volt large case models come with an External and Adjustable 2-Step Regulator, and Dual Pulley. PowerMax large case alternators are slightly larger than standard alternators.

PowerMax 1” Ft. l 2-Step Regulator
 
model/description dimensions ship wt list cost
Small case        
Pmax 80 Amp, 12V, ext'l reg. Size 6.9”L x 5.3”Dia 18 lbs. $489 $359
PMax 100 Amp, 12V, ext’l reg. Size 6.9”L x 5.3”Dia 18 lbs. $489 $369
PMax 125 Amp, 12V, ext’l reg. Size 6.9”L x 5.3”Dia 18 lbs. $499 $389
PMax 150 Amp, 12V, ext’l reg. Size 6.9”L x 5.3”Dia 18 lbs. $550 $409
Max Charge Option, Substitute A Max Charge for PMax 12V Reg   $350 $249
ARS-5 Option, Substitute an ARS-5 for PMax 12V Reg   $299 $219
PMax 75 Amp, 24V, ext’l reg. Size 6.9”L x 5.3”Dia 18 lbs. $1,000 $679
Saddle Mount Option (for Yanmar, Westerbeke or Volvo Penta engines)   $65 $40
Spike Stop   1 lb. $25 $19
         
Large Case        
PMax 160 Amp, 12V, ext’l reg. Size 6.5”L x 6.5”Dia 28 lbs. $850 $599
PMax 200 Amp, 12V, ext’l reg. Size 6.5”L x 6.5”Dia 28 lbs. $950 $639
PMax 135 Amp, 24V, ext’l reg. Size 6.5”L x 6.5”Dia 28 lbs. $1,099 $899

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