A strong battery is essential for a reliable start. We offer battery repair and replacement services in Mississauga to keep you going.
Battery Repair Mississauga
Battery checks, repairs, and replacements you can trust.
Battery issues can leave you stranded at the worst time. Our team tests, repairs, and replaces car batteries with precision and care.
We carry trusted brands and provide expert installation to ensure proper function. Every service includes checks on charging systems to prevent future problems. Count on Johnston & Magwood for dependable battery services.
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Comprehensive mechanical services including brake repair, oil changes, engine diagnostics, transmission, and AC repair. Affordable solutions, skilled technicians, and reliable care for peak vehicle performance.

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Signs you need a car battery repair or replacement include:
- Slow engine cranking or difficulty starting
- Dim headlights or electrical issues
- Battery warning light on dashboard
- Frequent need for jump-starts
- Corrosion or leakage around battery terminals
Most car batteries last between 3 to 5 years, depending on driving habits, weather conditions, and battery maintenance.
In some cases, battery reconditioning or charging can restore function. However, if the battery cells are damaged, a battery replacement is the best solution.
Our battery repair service includes:
- Battery testing & diagnostics
- Charging & reconditioning
- Terminal cleaning & corrosion removal
- Alternator & starter inspection
A battery repair typically takes30 to 45 minutes, while a battery replacement can be done in under an hour.
To extend battery life:
- Avoid leaving electronics on when the engine is off
- Drive regularly to keep the battery charged
- Clean corrosion from battery terminals