AUTOTECH ENGINEERING • HIGH-OUTPUT ALTERNATORS • CHARGING SUPPORT

Need more charging capacity? Start with the vehicle and the actual electrical load.

A high-output alternator makes sense when the factory charging system can no longer keep up with the audio and accessory demand. The correct unit depends on the exact engine, mounting, regulator strategy, battery chemistry and how the system is used.

We do not pick an alternator from amplifier wattage alone. We build the charging side around the current demand and the vehicle.

Plan a Charging Upgrade View Current Autotech Listings

The online Autotech catalog is intentionally narrow.

Autotech alternators are application-specific. The current SMS collection has two active direct listings: the Polaris Slingshot high-output alternator and the GM dual-alternator bracket kit. Other vehicle applications shown in our project archive are quoted by exact vehicle/engine fitment instead of being linked to a random alternator page.

2020+ Polaris Slingshot • 320A

A current direct-fit high-output alternator listing for supported 2020+ Slingshot applications.

Slingshot 320A →

2000–2013 GM dual-alternator bracket

A current bracket-kit listing for supported GM truck applications where a dual-alternator layout is part of the electrical design.

GM dual bracket kit →

Peak amperage is not the only number that matters.

Alternator output changes with RPM, so idle and normal-cruise output can matter as much as maximum output. We also verify case style, mounting ears, pulley and belt routing, regulator/PCM strategy, harness requirements, clearance and battery compatibility.

A high-output alternator does not fix undersized cable, poor grounds, weak terminations or an incompatible battery setup.

Real Autotech projects from SMS.

2002 Chevrolet Suburban Autotech Engineering 370-amp alternator in Canary Yellow

2002 Suburban • 370A

An Autotech 370-amp alternator was finished in Canary Yellow for this Suburban charging-system build.

2010 Jeep JK Autotech Engineering alternator and PCM bypass by SMS Car Audio

2010 Jeep JK • alternator + PCM bypass

This Jeep required the charging-control side of the application to be handled along with the alternator.

Jeep Mojave Autotech Engineering high-output alternator project by SMS Car Audio

Jeep Mojave • Autotech

Another real SMS vehicle-specific Autotech charging project.

Polaris Slingshot Autotech Engineering alternator installed by SMS Car Audio

Polaris Slingshot • installed Autotech alternator

A powersports audio application where additional charging capacity was part of the system.

Current Slingshot listing →

Tell us the exact vehicle before we quote the alternator.

Send year, make, model, engine, amplifier list, current battery setup, cable size, charging voltage if known and the future system plan. We verify the exact Autotech application instead of assuming two vehicles with the same badge use the same charging hardware.

Plan a Charging Upgrade Complete Electrical Planning