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Alternator Sizing
Calculate total demand and recommended high-output size.
Inputs
A
W
A
Results
Fill in the inputs and tap Calculate to see results.
From the Catalog
Real products with verified specs. Tap one for the full data sheet.
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Need more output?
JS-Alternators builds custom high-output alternators
For car audio, offroad, marine, and motorsport applications. Hand-built, dyno-tested, lifetime warranty.
Visit JS-Alternators →