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How can I fix a dead cell in a car battery?
I’ve noticed my car has been cranking way slower than usual, and I fear there may be a dead cell in my battery. I’ve heard before that you can fix a dead cell at home, and I’ll do anything to avoid a trip to the mechanic. How can I fix a dead cell in a car battery at home?
Claire Beaney · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
There are a surprising amount of car repairs you can do at home to save money, and you’re right in thinking you can fix a dead cell yourself!
You can fix a dead cell in a car battery at home with a few simple tools and a few simple steps:
- Mix ½ lb of Epsom salt with ½ gallon of distilled water
- Clean the car battery using equal parts baking soda and water
- Remove the battery cover
- Fill the battery with the salt solution
- Reinstall the battery cover
- Charge the battery slowly, ideally over 24 hours
Following these instructions should help fix the dead cell in your car battery!
Completing this repair at home is a fantastic way to save some money on your car’s maintenance. Another way to save money when it comes to your vehicle is to shop for
car insurance
using the Jerry
app.Jerry is your ultra-talented car insurance broker for life. Choose from competitive quotes from 50-plus top insurance companies and Jerry takes care of the rest—securing your new policy and helping you cancel your old one. The best part? The average Jerry user saves $887 a year on their insurance.
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Jerry partners with more than 50 insurance companies, but our content is independently researched, written, and fact-checked by our team of editors and agents. We aren’t paid for reviews or other content.
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