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Car Battery Buying Tips for Choosing the Right Replacement
Car batteries do not last forever, so vehicle owners should plan ahead.
Have the battery checked every year, especially before a long trip.
A mechanic should load-test it annually after it reaches two years old in a warm climate.
In a cold climate, testing can begin after four years.
Batteries come in different sizes, so the replacement must fit the car.
The same brand or model that worked before may not always be the best choice.
New batteries should be as fresh as possible because they lose strength while stored.
Check the warranty and return the old battery when buying a replacement.
Have the battery inspected annually, especially before a long road trip.
Load-test batteries annually after two years in warm climates or four years in cold climates.
Choose a battery that fits both your vehicle and driving needs, rather than relying only on brand or model.
Buy a fresh battery—less than six months old, and preferably about three months old.
Compare free-replacement and prorated warranties, and return the old battery for any refundable deposit.
- Who
- Vehicle owners and mechanics are involved.
- What
- The guidance explains how to inspect, select, purchase, and replace a car battery.
- Where
- At a battery retailer or store, with testing performed by a mechanic.
- When
- Inspect annually; load-test after two years in warm climates or four years in cold climates. Buy a battery less than six months old, preferably three months old.
- Why
- To choose a battery that fits the vehicle and driving needs, remains reliable, and provides favorable warranty coverage.
Key facts
- Inspection schedule
- Annual inspections are recommended, particularly before long road trips.
- Load testing
- Load-test annually after the battery is two years old in warmer climates or four years old in colder climates.
- Battery fit
- The battery must match the vehicle and the owner's driving needs.
- Battery freshness
- Purchase a battery less than six months old; three months old is preferable.
- Warranty types
- Warranties may include a free-replacement period and a prorated period offering partial reimbursement.
- Old-battery return
- Returning the old battery may result in a refund of an additional amount paid at purchase.




