Battery Replacement
Hartford, WI | Erin, WI
12-Month/24,000-Mile Warranty on All Auto Repairs
We Work With All Insurance and Aftermarket Warranty Companies
Carfax Top-Rated Dealer
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Need a Reliable Battery Replacement? We've Got You Covered
When your car won't start, the battery is often the culprit. At M&J Auto Sales & Service, we'll test your battery, diagnose the problem, and get you back on the road quickly. Our ASE Certified technicians handle all makes and models with care.
- Quick battery testing and diagnosis
- Quality replacement batteries
- Complete installation service
- Proper disposal of old batteries
- 12-month/24,000 mile warranty on all auto repairs
Reach out to us today and let's get your vehicle running smoothly again.
Signs You Need a Battery Replacement
Dead batteries don't always give you a warning, but there are usually signs. If you're experiencing any of these issues, it's time to get your battery checked:
- Slow engine crank when starting
- Dashboard warning light illuminated
- Dim headlights or interior lights
- Electrical issues with accessories
- Battery is more than three years old
- Corrosion around battery terminals
Getting your battery replaced before it fails completely saves you time and the hassle of being stranded.
Why Choose M&J Auto Sales & Service
We're a locally owned, family-operated shop that's been serving Hartford, WI, and surrounding communities since 2009. When you choose us for battery replacement, you can count on:
- Over 75 years of combined experience
- ASE Certified technicians
- CARFAX top-rated dealer
- Hartford, WI Chamber of Commerce member
- 12-month/24,000-mile warranty on all auto repairs
- Honest service and fair treatment
Our reputation in the community reflects our commitment to quality work. We work with insurance companies, fleet companies, and extended warranty companies to make the process seamless for you.
Contact Us
If you're dealing with a dead battery or want to be proactive about replacement, M&J Auto Sales & Service is here to help. Our quality service and fair pricing have made us a trusted name in the community. We'll have you back on the road quickly with a battery you can count on.
Contact us today to schedule your battery replacement or testing service.
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Warranty Protection
You Can Trust
Every repair comes backed by our comprehensive 12-month/24,000-mile nationwide warranty on parts and labor. Drive with confidence knowing your investment is protected.
Get quality service with peace of mind!


