Battery Installation & Replacement

  • A man is using a jump starter to start a car.

Mobile Car Battery Sales in Milwaukee, WI

Dead Battery? Get Reliable Battery Installation and Replacement Services

Stranded with a dead car battery? Don’t worry—our 24/7 roadside car battery delivery and installation service has got you covered! We understand how frustrating and inconvenient a dead battery can be, which is why we are dedicated to getting you back on the road quickly, day or night.

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Roadside Battery Service in Milwaukee, WI

Is your car struggling to start, or do you suspect a battery issue? Don’t jump to conclusions—let our comprehensive roadside battery service identify the real problem. Whether it’s a failing battery, a faulty alternator, or another electrical issue, we’ll give you accurate answers and the solutions you need.


Please note: Batteries cannot be tested if they can no longer turn the engine over to start it. The cutoff voltage level for testing is 12.1 volts, and batteries must be at 12.4 volts to start the engine. While we offer battery testing, this disclaimer applies to ensure accurate diagnostics. Unfortunately, testing dead batteries is a double-edged sword.


Pinpoint the problem fast. Call CarTrek Roadside and Battery in Milwaukee, WI, 24/7 for assistance.

(414) 326-8443
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  • A car battery is being charged with jumper cables.

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Why Choose Our Battery Replacement and Installation Service?

Quick Response Times

When your car battery fails, every minute counts. Our team is equipped to reach you quickly—whether you’re at home, at work, or on the side of the road—so you can get back on the road without delay.

Safe and Professional Installation

Replacing and installing a car battery involves more than swapping out the old for the new. Our trained technicians handle the process with precision, ensuring proper connections and secure mounting to protect your vehicle’s electrical system.

Available Anytime, Anywhere

Day or night, rain or shine, our roadside battery replacement service is here for you. We’re ready to assist wherever you are, within 50 Miles of Milwaukee, WI.

Battery Warranty

We stand behind our products, which is why we offer reputable brands that come with an 18-48 month warranty. Our brands include:

  • DieHard
  • AC Delcoo
  • Interstate
  • Exide
Maintenance
A black and white icon of a car battery with a lightning bolt on it.

Signs You Might Need a New Battery

  • The engine won’t start: You turn the key, and nothing happens—or you hear a faint clicking sound.
  • Dim headlights or electrical issues: Flickering or weak lights indicate your battery isn’t holding a charge.
  • A battery warning light on your dashboard: A clear indicator that your battery may need attention.
  • Your battery is older than 3-5 years: Most car batteries have a limited lifespan, and age can lead to failure.
  • Corrosion on the battery terminals: Visible buildup can interfere with proper connections.

*If the light comes on while engine is running it is related to charging system, not the battery.

  • A man is working on a broken down car on the side of the road.

How Our Service Works

  • Testing

    Visual assessment of the Battery's condition. We recommend purchases based on the overall condition and age of the battery. 

  • Battery Delivery

    We bring the right battery to your location, ensuring compatibility with your vehicle.

  • Professional Installation

    Our experts securely install the new battery and test it for performance.

  • Old Battery Disposal

    We handle the recycling of your old battery responsibly.

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Additional Battery Services

If your battery repeatedly fails, a jump start might not be enough. At CarTrek Roadside and Battery, we also offer on-the-spot battery diagnostics and replacements, ensuring you won’t be left stranded again.

Why Choose CarTrek Roadside and Battery for Battery Replacement

  • Peace of Mind: With our skilled technicians on call 24/7, you’ll never feel stranded or stressed during a roadside emergency. We’re here to provide dependable help when you need it most.
  • Time-Saving Service: We value your time. Our efficient team works quickly to diagnose, replace, and install your car battery, minimizing your downtime and getting you back on the road fast.
  • Transparent, Affordable Rates: We offer premium service at competitive prices, with no hidden fees. You’ll receive top-tier assistance without stretching your budget.
  • Local Expertise: As a Milwaukee, WI-based company, we know the area like the back of our hand. This allows us to reach you quickly, no matter where you are.

Contact CarTrek Roadside and Battery for a Jump Start Today!

Don’t let a dead battery derail your day. Call CarTrek Roadside and Battery at (414) 326-8443, and we’ll bring our expertise right to your location in Milwaukee, WI. Whether it’s a late-night breakdown or an early morning surprise, we’re here to help!

(414) 326-8443
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