Why won't my LS400 battery stay charged?

A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.

What do you do with my old LS400 battery?

We recycle it! Nearly 100% of all lead-acid batteries are recyclable.

What’s the cost of DieHard batteries for Lexus LS400s?

Lexus LS400 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.

How long can I expect my car battery to last?

Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.

What is the white, crusty substance accumulating on my LS400’s battery post?

The white, crusty stuff that can accumulate around LS400 car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.

How do I clean a corroded LS400 battery terminal?

To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your LS400 owner’s manual for instructions on how to do so.

Where can I find a battery for my LS400?

At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install LS400 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.

Car Batteries for 1994 Lexus LS400

Get a New Lexus Battery

Get a New Lexus LS400 Battery

The middle of nowhere is the wrong place to have a weak battery. Shop replacement batteries for 1994 Lexus LS400 today and schedule a quick installation at Firestone Complete Auto Care.

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Battery Size & Replacement for 1994 Lexus LS400

Researching battery replacements for your Lexus LS400? Check the chart to find the right car battery size and cold cranking amps for your LS400.

Battery	Engine	Warranty		Cold Cranking Amps
24F-3	V8/4.0L	Replacement 24 months	Performance months	650
24F-6	V8/4.0L	Replacement 36 months	Performance months	750
24F-RP	V8/4.0L	Replacement 48 months	Performance months	750

BATTERIES
V8/4.0L - Battery: 24F-3 - Warranty: Replacement 24 months, Performance months - Cold Cranking Amps: 650
V8/4.0L - Battery: 24F-6 - Warranty: Replacement 36 months, Performance months - Cold Cranking Amps: 750
V8/4.0L - Battery: 24F-RP - Warranty: Replacement 48 months, Performance months - Cold Cranking Amps: 750

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Buying a Replacement Battery for Lexus LS400

Sadly, your Lexus LS400 won't last forever. Neither will its battery. On average, auto batteries last anywhere from three to five years. Don’t get stranded by your LS400’s car battery. Replace it regularly instead! Pay attention to clues that your battery is on its way out. A lagging starter, a blinking battery or check engine light, swollen battery case, corroded battery terminals, or weak lights can all signal that your battery needs attention.

Or, you can get a complimentary battery check at your nearest Firestone Complete Auto Care. Our equipment can see how much charge is left in your battery. Drop in for a free battery check and, if needed, get your Lexus LS400 a replacement battery. Car batteries are one of our many specialties! Our technicians are familiar with Lexus-specific recommendations for LS400 battery cold cranking amps and reserve capacity. Get help identifying the type and size of battery that fits your car perfectly, and schedule a fast car battery replacement at your earliest convenience.

Is There a DieHard Battery for LS400s?

Your Lexus LS400 deserves the best, which is why we only carry top-of-the-line replacement parts and batteries. Your vehicle needs a reliable, durable and powerful battery in even the most extreme conditions. DieHard batteries go above and beyond using state-of-the-art advancements to meet the expanding power needs of modern vehicles A DieHard battery isn't an ordinary car battery. It's extraordinary. Go with a DieHard battery for your LS400 and drive with confidence knowing that performance will be there when you need it most. That's the kind of battery we deliver.

Caring for a New Lexus LS400 Battery

Got a new car battery installed in your 1994 Lexus LS400? Great job! You can give your new battery a head start with proper care and attention. ensuring all the lights are turned off before you leave the car, cutting back on unnecessary short trips, cleaning your battery posts, and avoiding radio and electronic component use when the engine is off.

Commonly Asked LS400 Battery Questions

Firestone Complete Auto Care has answers to your top car battery questions. If you have a battery question that's unique to your Lexus LS400 battery, visit your nearest store. Our expert techs have the answers you need.

Why won't my LS400 battery stay charged? A battery is in its final hour when it will no longer hold a charge. The battery might be old. Or, you may have a habit of leaving your car doors open and the lights on overnight. Stop in for a free battery check at your favorite Firestone Complete Auto Care and learn more about your battery's charge.
What do you do with my old LS400 battery? We recycle it! Nearly 100% of all lead-acid batteries are recyclable.
What’s the cost of DieHard batteries for Lexus LS400s? Lexus LS400 batteries can be affordable, especially when there's an available battery coupon. The best part is every DieHard battery comes with a free replacement warranty and extra coverage with DieHard Assurance.
How long can I expect my car battery to last? Car battery lifespan varies depending on a few factors, including driving conditions, accessories, how well it’s maintained, and the type of battery. On average, a car battery lasts about three to five years.
What is the white, crusty substance accumulating on my LS400’s battery post? The white, crusty stuff that can accumulate around LS400 car battery terminals is called corrosion. It is caused by a chemical reaction between the battery acid and the air, which creates a white, powdery substance that can build up on the terminals over time. Corrosion can interfere with the flow of electricity between the battery post and the car's electrical system, sometimes leading to poor electrical performance, difficulty starting, and even premature battery failure.
How do I clean a corroded LS400 battery terminal? To help extend the life of your battery, you should routinely inspect and clean the terminals using a baking soda and water mix, wire brush, and rag. Be sure to disconnect the battery cables before cleaning and check your LS400 owner’s manual for instructions on how to do so.
Where can I find a battery for my LS400? At Firestone Complete Auto Care, we make it easy to get a new car battery. Our stores sell and install LS400 batteries, and our Firestone Direct mobile vans can even come to you for added convenience. Check out our mobile battery services to learn more.