Cold-cranking, state-of-health, and charging-system testing, including dual-battery diesel setups.
Schedule a Battery TestOnce a year — especially before winter. If your battery is 3+ years old, test it at every oil change. Cold Oregon mornings expose borderline batteries that perform fine in summer.
A battery can be at 70% capacity and still start your truck on a warm day. It’s the cold start at 30°F when the engine is demanding peak cranking amps that exposes a failing battery. By then, you’re usually on the side of the road.
Yes — both batteries must be tested individually. One weak battery compromises the entire dual battery system. If one is failing, both should typically be replaced at the same time to avoid an immediate second failure.
Yes, in rare cases — manufacturing defects, improper installation, or a failing alternator that overcharges the battery can damage a new unit quickly. This is why we also check the charging system during any battery service.
Yes — gas and diesel, daily drivers and built trucks. Hillsboro, Beaverton, and Portland metro.
Corrosion removal and protection treatment to fix slow cranks and unreliable starts.
Output and draw testing that pinpoints whether it's your battery, alternator, or starter.
A full check of headlights, brake lights, and signals so you stay visible and ticket-free.
Electrical diagnostics that track down shorts, drains, and gremlins methodically.
Honest service, transparent pricing, and a 1-Year/12,000-Mile warranty on every job.