Batteries need some TLC

May 8, 2025

The Shocking Truth: Why Your Car Battery Needs Summer TLC Too


When most people think about car battery problems, cold winter mornings usually come to mind. We’ve all heard that icy temperatures can zap a battery’s strength and leave you stranded with a car that won’t start. But here’s the shocking truth—summer is just as rough, if not worse, on your car’s battery.


So why exactly is heat such a problem? For one, extreme temperatures speed up the chemical reaction inside your battery. That might sound like a good thing, but it actually shortens its overall life. The increased reaction rate can also lead to overcharging if your vehicle’s charging system isn’t working just right. On top of that, summer heat can cause the battery’s internal components to expand, breaking down its structure over time. Combine that with everyday short trips, heavy use of air conditioning, and summer traffic, and you’ve got a recipe for battery burnout.


One of the most common side effects of summer battery stress? Corrosion on the terminals. That white or blue, crusty buildup you might spot around your battery posts isn’t just cosmetic—it can interfere with your car’s ability to start, charge, and power its electrical systems. Even a healthy battery can struggle to do its job when corrosion gets in the way.

battery terminal corroded



Instead of trying to clean it up yourself, bring your vehicle to Magic Lube & Rubber. We’ll clean the terminals safely and properly, and go one step further by prepping them to help prevent corrosion from building up so quickly in the future. It’s a simple service that can make a big difference in your car’s performance and reliability—especially during the hot summer months.


While you’re here, it’s also smart to have us check the battery’s mounting and your vehicle’s charging system. These can lead to charging issues, and a charging system that’s even slightly off can overwork the battery, especially in extreme heat. During your visit, we’ll test everything to make sure your battery is staying cool, secure, and strong.

And don’t forget—if your battery is three to five years old, it may be nearing the end of its life. Summer heat can accelerate wear and tear, pushing an older battery over the edge much sooner than expected. If you’re unsure about its condition, we’ll help you assess it and recommend the right next steps.


Your battery might not be the flashiest part of your vehicle, but it’s the spark behind every start. Don’t let the summer heat short-circuit your plans—swing by Magic Lube & Rubber and let us keep things charged and running smoothly all season long.

Owner | Automotive Magic - Kenvil, NJ | Magic Lube and Rubber - Lake Hopatcong, NJ

Shawn Gilfillan is the dedicated owner of Automotive Magic in Kenvil, NJ. With over two decades of experience, Shawn has led his team in providing expert auto repair and service since 2003. 


In 2022, Magic Lube & Rubber was born in Lake Hopatcong, NJ. Committed to fostering strong community ties and supporting team development, Shawn prioritizes customer satisfaction above all. As a proud family man and long-time resident of Roxbury, NJ, Shawn brings a blend of professionalism and warmth to his business. 


Trust Shawn and his team for all your automotive needs with confidence and assurance.

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