Your car’s battery is the heart of its electrical system. At Maximum Automotive, we provide free battery diagnostics, professional replacements, and top-brand batteries to keep your vehicle starting reliably — even on the coldest mornings. Whether you’re experiencing slow starts or dashboard warning lights, we’ll test your battery and offer honest solutions, fast.
We offer three oil change packages to suit your vehicle’s needs:
✅ Our technicians ensure every connection is clean, tight, and corrosion-free before you drive away.
If your car is showing these symptoms, your battery may be near the end of its life:
🧑🔧 Trusted locally for 30+ years
⭐ 4.7+ Google rating from 190+ happy customers
🕒 Quick turnaround — most installs in 15–20 minutes
🧼 Clean, professional service with no surprises
📍 Serving Port Jefferson Station & surrounding areas
631-928-9548
Don’t wait until your car doesn’t start. Let us test your battery for free — and replace it only if needed.
Maximum Automotive has proudly served Port Jefferson Station and Suffolk County since 1995, offering 15+ expert auto repair services with honest pricing, same-day service, and a 4.7★ Google rating. Your trusted neighborhood shop for reliable, no-pressure car care.
