EarthX consists of a dedicated team that has the experience to deliver quality batteries with exceptional performance. We use the highest quality components to create a battery that meets your performance demands.
Our battery performance more than speaks for itself. EarthX is the exclusive battery choice for the Indy 500 for 7+ years. Indy race cars only want the best products on the market, and they choose EarthX.
Advantages Of EarthX Batteries For Race Cars And Drag Race Cars
EarthX lithium iron phosphate (LiFePo4) batteries are game-changers in racing for several reasons:
- Weight reduction: Our batteries use lightweight materials that make them 80% lighter than lead acid equivalents. Reduced weight is critical in the racing world because less weight means more horsepower.
- Safety: These batteries feature a state-of-the-art Battery Management System (BMS) that monitors performance and prevents batteries from overcharging and over discharging.
- Longevity: The BMS supports the longevity of EarthX Batteries, allowing them to last two to three times longer than lead acid batteries.
- Eco-friendly: Lithium batteries do not risk leaking acid like lead acid batteries do, so you can protect the environment and your paint job. Additionally, these batteries do not freeze, boil over, sulfate or corrode.
- Cranking power: With lithium batteries, you can experience impressive cranking power that gives your race car the powerful start it needs to speed ahead of the competition.
- Fast charging and slow discharge: Lithium batteries charge faster than lead acid counterparts, and they discharge more slowly. This means you spend less time charging before a race, and you can count on your battery to retain power for longer. You can use an EarthX battery in a total loss system for your drag car with no issues.
- No special mounting direction: Hook up your EarthX battery in any way that makes sense for your vehicle. With no limitations, installation is simple.
Our Commitment To Powering Speed
At EarthX, we know what it takes to make your race car fast. We are proud to be the exclusive battery manufacturer of the Indy 500, and we continue to develop our technology to deliver industry-leading results.
When winning matters, choose the best components for the job. With the high costs that come with weight reduction in your race car, we make the process easy. Remove 80% of your lead acid battery’s weight with EarthX lithium batteries at a fraction of the cost.

Buy Lithium Batteries For Race Cars And Drag Race Cars
We manufacture a range of batteries that deliver power according to your requirements. Explore your options to find the right one for you. Reach out to our team for additional assistance.
Lithium Race Car Batteries for Racing, Drag Racing, and High-Performance Vehicles
When every pound matters, the battery is one of the easiest places to reduce weight without sacrificing starting performance. EarthX lithium race car batteries use Lithium Iron Phosphate (LiFePO4) technology to provide high cranking power in a lightweight, compact package.
EarthX batteries can be used in a wide range of race cars, drag race cars, competition vehicles, and total-loss electrical systems where low weight, high starting power, vibration resistance, and reliable performance are important.
EarthX has extensive experience developing lightweight lithium batteries for demanding applications. Our batteries are built using high-quality components and an integrated Battery Management System (BMS) designed to monitor and protect the battery.
What Is the Best Battery for a Race Car?
The right racing battery depends on the race car, engine, electrical system, racing class, and intended use.
When choosing a race car battery, racers commonly look for:
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Low weight
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High cranking power
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Reliable engine starting
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Long service life
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Vibration resistance
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Compact size
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Low self-discharge
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Fast recharge capability
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Battery protection
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Compatibility with the vehicle’s charging system
For racers focused on reducing vehicle weight, an EarthX LiFePO4 lithium racing battery can provide a significant weight advantage over a conventional lead-acid battery while maintaining high starting performance.
Why Use a Lithium Battery in a Race Car?
Race cars are different from everyday street vehicles. Every component is evaluated for performance, weight, durability, and reliability.
A conventional lead-acid battery can be one of the heavier components in a vehicle. Replacing it with a lightweight lithium battery can remove a substantial amount of unnecessary weight.
EarthX lithium race car batteries are designed to provide:
Significant Weight Reduction
EarthX lithium batteries can weigh up to 80% less than comparable lead-acid batteries, depending on the battery model and application.
Reducing vehicle weight is especially important in racing because weight affects acceleration, braking, handling, and overall vehicle performance.
Instead of spending thousands of dollars on expensive lightweight components, replacing a heavy lead-acid battery with a lithium battery can be a relatively simple way to reduce weight.
High Cranking Power
A racing engine needs strong starting power.
EarthX lithium batteries are designed to provide high cranking performance in a lightweight package. This makes them suitable for applications where reliable engine starting and minimizing battery weight are both important.
Integrated Battery Management System
EarthX lithium batteries incorporate a Battery Management System (BMS).
The BMS monitors the battery and provides protection against conditions such as:
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Overcharging
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Over-discharging
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Excessive cranking and temperature
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Short circuits
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Cell imbalance
Long Battery Life
EarthX LiFePO4 batteries can provide a significantly longer service life than conventional lead-acid batteries when properly used and maintained.
EarthX lithium technology is designed for repeated use and can provide thousands of charge/discharge cycles depending on the battery model, application, operating conditions, and charging practices.
For a race team, longer battery life can mean fewer battery replacements over the life of the vehicle.
Low Self-Discharge
Race cars and drag cars may spend considerable amounts of time sitting between races.
Lithium Iron Phosphate batteries have a very low self-discharge rate compared with conventional lead-acid batteries. This allows an EarthX battery to retain its charge longer when the vehicle is not being used.
The vehicle itself can still have parasitic electrical loads, so proper storage procedures are important.
No Liquid Acid
EarthX LiFePO4 batteries do not contain the liquid sulfuric acid found in conventional flooded lead-acid batteries.
That means there is no liquid acid to spill onto a race car’s chassis, components, or paint.
EarthX lithium batteries also do not:
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Freeze like a conventional liquid electrolyte battery
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Boil over
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Sulfate
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Corrode from leaking liquid electrolyte
This can be particularly useful in racing applications where batteries may be mounted in locations where an acid leak would be undesirable.
Lithium vs. Lead-Acid Race Car Batteries
One of the most common questions racers ask is whether a lithium battery is better than a lead-acid battery for racing.
The answer depends on the application, but the primary advantage of lithium technology for racing is weight reduction combined with high starting performance.
| Feature | EarthX LiFePO4 | Lead-Acid |
|---|---|---|
| Weight | 3-9 lbs | 15-30 lbs |
| Cranking power | 320-760 CCA depending on the model | 200-500 CCA depending on the model |
| Self-discharge | Low | High |
| Liquid acid | No | Some types contain liquid electrolyte |
| Battery management | Integrated BMS | No comparable lithium BMS |
| Cell balancing | Yes | No |
| Corrosion from acid leakage | No liquid acid | Possible |
| Service life | Average 6 years | Average 3 years |
| Racing weight reduction | Significant | Limited |
For a race car where reducing mass is a priority, the weight savings from a lithium battery can be particularly valuable.
Lightweight Batteries for Drag Racing
Drag racing places unique demands on a battery.
A drag racing battery needs to provide enough starting power to reliably start the engine while minimizing unnecessary weight.
EarthX lithium batteries can be used in drag racing applications where a lightweight, high-performance starting battery is desired.
Can You Use a Lithium Battery in a Drag Car?
Yes. EarthX batteries can be used in drag race cars.
EarthX lithium batteries can be used in appropriately designed total-loss applications. The battery must be properly sized for the vehicle’s electrical load and starting requirements, and it must be recharged using an appropriate charging system between runs.
What Is a Total-Loss Battery System?
A total-loss system is an electrical system in which the battery provides the vehicle’s electrical power without being continuously recharged by an alternator during operation.
Total-loss systems are common in certain racing and drag racing applications because removing the alternator and related components can reduce weight and parasitic engine load.
When using a battery in a total-loss race car:
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Select the correct battery capacity for the electrical load.
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Make sure the battery can provide sufficient starting power.
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Monitor battery condition and state of charge.
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Recharge the battery using an appropriate charger between events.
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Follow the battery manufacturer’s charging requirements.
EarthX batteries are available for applications where a lightweight battery is needed for a total-loss racing system.
Fast Charging and Low Self-Discharge
Lithium Iron Phosphate batteries can accept charge efficiently and have a low self-discharge rate.
For racing applications, this can be useful because the battery may need to be recharged between events while also spending extended periods in storage.
EarthX recommends using a compatible charger and following the charging requirements for the specific battery model. Chargers that use inappropriate high-voltage desulfation, reconditioning, or pulse modes should not be used with EarthX lithium batteries.
Are Lithium Race Car Batteries Safe?
Yes. EarthX uses Lithium Iron Phosphate (LiFePO4) chemistry, combined with an integrated Battery Management System designed specifically to monitor and protect the battery.
The BMS helps protect against conditions including overcharge, over-discharge, short circuit, cell imbalance, and excessive cranking/temperature conditions.
As with any high-performance vehicle component, the battery should be installed and used according to the manufacturer’s specifications.
Do Race Car Batteries Need Special Mounting?
EarthX lithium batteries do not require a specific orientation for normal installation. Unlike conventional flooded lead-acid batteries, they do not contain free-flowing liquid electrolyte that requires the battery to remain upright.
The correct mounting hardware and installation method should be selected for the specific race car and racing application.
Why Weight Matters in Racing
Reducing weight is a major consideration in motorsports.
A lighter race car can require less energy to accelerate, and weight distribution can affect braking, handling, and vehicle dynamics.
A conventional lead-acid battery can be a relatively heavy component that contributes little to vehicle performance beyond supplying electrical power.
Replacing it with a properly sized EarthX lithium battery can remove a substantial amount of battery weight.
For racers who are already spending significant amounts of money on lightweight wheels, body panels, suspension components, and other performance parts, a lightweight lithium battery can provide another way to reduce vehicle weight.
EarthX and the Indy 500
EarthX lithium battery technology has been used in professional motorsports, including the Indianapolis 500.
EarthX has been the exclusive battery manufacturer for the Indy 500 for more than seven years, demonstrating the company’s experience developing lightweight battery technology for demanding racing environments.
Professional racing places extreme demands on components, including vibration, high temperatures, repeated engine starts, and the need to minimize vehicle weight.
That experience has helped EarthX develop battery technology for applications ranging from professional motorsports to amateur racing and high-performance vehicles.
Race Car Battery Applications
EarthX lithium batteries can be used in a variety of racing and performance applications, including:
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Race cars
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Drag race cars
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Road racing cars
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Track cars
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Competition vehicles
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Off-road racing vehicles
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Performance cars
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Custom race cars
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Total-loss electrical systems
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Other motorsports applications
The correct battery depends on the vehicle’s engine size, electrical load, starter requirements, charging system, and available battery space.
How to Choose a Lithium Race Car Battery
Choosing the correct racing battery is about more than simply selecting the lightest battery available.
Consider these factors:
1. Engine Starting Requirements
The battery must provide sufficient cranking power for the engine and starter system.
2. Electrical Load
Determine how much electrical power the vehicle requires during starting and operation.
3. Battery Capacity
A total-loss system generally requires different capacity considerations than a vehicle equipped with an alternator.
4. Physical Size
Make sure the battery fits the available mounting location and that the terminals and connections are compatible.
5. Charging System
Verify that the vehicle’s charging system is compatible with the selected lithium battery.
6. Racing Application
A battery for a drag car, road racing car, track car, or total-loss system may have different requirements.
EarthX Lithium Race Car Battery Advantages
LIGHTWEIGHT
Up to 80% lighter than comparable lead-acid batteries, depending on the model.
HIGH STARTING POWER
Designed to deliver strong cranking performance while minimizing battery weight.
LiFePO4 CHEMISTRY
Lithium Iron Phosphate chemistry provides a robust chemistry well suited to demanding applications.
INTEGRATED BMS
The Battery Management System monitors and protects the battery cells.
LONG SERVICE LIFE
Long cycle life and long-term durability can reduce the frequency of battery replacement.
LOW SELF-DISCHARGE
Retains its charge well during periods when the race car is not being used.
NO LIQUID ACID
No liquid sulfuric acid to spill, leak, or damage components and paint.
TOTAL-LOSS CAPABLE
Appropriate EarthX batteries can be used in properly designed total-loss racing systems.
Frequently Asked Questions About Race Car Batteries
What is the best battery for a race car?
The best race car battery depends on the vehicle, engine, electrical system, racing class, and intended use. Racers commonly prioritize low weight, high starting power, reliability, service life, and compatibility with the vehicle’s electrical system. EarthX lithium batteries are designed for racing applications where weight reduction and high starting performance are important.
What is the best battery for drag racing?
Drag racing batteries need to provide reliable engine starting while minimizing weight. A properly sized EarthX LiFePO4 lithium battery can be a strong option for drag racing because it can provide high cranking power at substantially lower weight than a comparable lead-acid battery.
What is the lightest race car battery?
Battery weight varies by model and capacity. EarthX offers lightweight LiFePO4 batteries designed to provide high starting power without the weight of conventional lead-acid batteries.
How much weight can I save with a lithium race car battery?
Depending on the battery models being compared, EarthX lithium batteries can be up to 80% lighter than comparable lead-acid batteries.
Are lithium batteries good for race cars?
LiFePO4 lithium batteries are widely suited to applications where low weight, high starting power, long cycle life, and low self-discharge are important. EarthX lithium batteries are designed specifically for demanding applications, including motorsports and racing.
Can I use an EarthX battery in a drag race car?
Yes. EarthX batteries can be used in drag racing applications, including appropriately designed total-loss electrical systems. The battery must be correctly sized for the vehicle’s starting and electrical requirements.
Can a lithium battery be used in a total-loss system?
Yes. EarthX batteries can be used in properly designed total-loss electrical systems. The battery must have sufficient capacity for the electrical load and should be recharged appropriately between events.
Do lithium race car batteries last longer than lead-acid?
EarthX batteries can provide substantially more charge/discharge cycles than many conventional lead-acid batteries. Actual service life depends on the battery model, charging system, operating conditions, storage, and maintenance.
Are lithium race car batteries safe?
EarthX batteries use LiFePO4 chemistry and an integrated Battery Management System designed to monitor and protect the battery against conditions such as overcharge, over-discharge, short circuit, cell imbalance, and excessive cranking/temperature conditions.
Can I replace my race car’s lead-acid battery with lithium?
In many applications, yes, provided the lithium battery is correctly sized and compatible with the vehicle’s electrical and charging system. Always verify the appropriate EarthX model before installation.
Do lithium race car batteries need a special charger?
EarthX batteries should be charged using a charger that is compatible with the battery’s charging requirements. Do not use chargers with inappropriate high-voltage desulfation, reconditioning, or pulse modes.
Power Your Race Car With Less Weight
For racing, every component has a job. Your battery needs to start the engine and supply electrical power—but it does not need to add unnecessary weight.
EarthX lithium race car batteries combine lightweight LiFePO4 technology, high starting power, integrated battery management, low self-discharge, and long cycle life for demanding motorsports applications.
From drag racing and total-loss systems to road racing and high-performance competition cars, EarthX provides lithium battery solutions designed to help racers reduce weight without sacrificing starting performance.
Less battery weight. More performance potential.
