
Super Start Extreme Standard Flooded Top Post Battery Group Size 24F, 24R – 24REXTJ
- Group Size (BCI): 24F, 24R; Cold Cranking Amps (CCA): 750 CCA; Cranking Amps (CA): 935 CA; Voltage (V): 12 Volt; Length (in): 10-3/4 Inch; Width (in): 6-13/16 Inch; Height (in): 9 Inch;
- Super Start Extreme batteries deliver maximum performance and extended life in high under-hood temperatures and severe service conditions. Super Start Group 24F Extreme batteries are designed with a heavier grid design and specialized plate paste to provide maximum starting power and superior performance. The lead used in Super Start Extreme batteries is virtually 100 percent pure and strategic element enhancements deliver more cranking amps, allow for quicker recharging and help resist corrosion. Super Start Batteries use state-of-the-art engineering and computer-controlled manufacturing techniques, combined with more than 350 quality control checks, to guarantee quality and more starting power per pound.
$219.99

Super Start Extreme Standard Flooded Top Post Battery Group Size 34 – 34EXTJ
- Group Size (BCI): 34; Cold Cranking Amps (CCA): 800 CCA; Cranking Amps (CA): 1000 CA; Voltage (V): 12 Volt; Length (in): 10-1/4 Inch; Width (in): 6-13/16 Inch; Height (in): 7-7/8 Inch;
- Super Start Extreme batteries deliver maximum performance and extended life in high under-hood temperatures and severe service conditions. Super Start Group 34 Extreme batteries are designed with a heavier grid design and specialized plate paste to provide maximum starting power and superior performance. The lead used in Super Start Extreme batteries is virtually 100 percent pure and strategic element enhancements deliver more cranking amps, allow for quicker recharging and help resist corrosion. Super Start Batteries use state-of-the-art engineering and computer-controlled manufacturing techniques, combined with more than 350 quality control checks, to guarantee quality and more starting power per pound.
$219.99

Super Start Extreme Standard Flooded Side Post Battery Group Size 78 – 78EXT
- Group Size (BCI): 78; Cold Cranking Amps (CCA): 800 CCA; Cranking Amps (CA): 985 CA; Voltage (V): 12 Volt; Length (in): 10-3/4 Inch; Width (in): 6-7/8 Inch; Height (in): 7-1/4 Inch;
- The Ultimate line of Advanced Generation batteries is built with the powerful maintenance free design, ultra-premium performance and all weather starting protection that discriminating drivers don’t just want, they demand for their vehicles. Durability has been systematically engrained into this advanced generation design to deliver dependable power in the toughest conditions. In extreme service where ordinary batteries can fail, these batteries provide optimized starting power with extended battery life. As the next generation of cars, LTV’s, APV’s, SUV’s and other similar vehicles require more and more from their battery, choose the ultimate high powered solutions from the battery line.
$219.99

Super Start Extreme Standard Flooded A1 Battery Group Size 94R H7 – 94REXTJ
- Group Size (BCI): 94R; Cold Cranking Amps (CCA): 800 CCA; Cranking Amps (CA): 970 CA; Voltage (V): 12 Volt; Length (in): 12-7/16 Inch; Width (in): 6-15/16 Inch; Height (in): 7-1/2 Inch;
- Super Start Extreme batteries deliver maximum performance and extended life in high under-hood temperatures and severe service conditions. Super Start Group 94R Extreme batteries are designed with a heavier grid design and specialized plate paste to provide maximum starting power and superior performance. The lead used in Super Start Extreme batteries is virtually 100 percent pure and strategic element enhancements deliver more cranking amps, allow for quicker recharging and help resist corrosion. Super Start Batteries use state-of-the-art engineering and computer-controlled manufacturing techniques, combined with more than 350 quality control checks, to guarantee quality and more starting power per pound.
$219.99

Super Start Extreme Standard Flooded Top Post Battery Group Size 151R – 151REXT
- Group Size (BCI): 151R; Cold Cranking Amps (CCA): 340 CCA; Cranking Amps (CA): 410 CA; Voltage (V): 12 Volt; Length (in): 7-3/4 Inch; Width (in): 5-1/8 Inch; Height (in): 8-3/4 Inch;
- State of the art engineering and computer controlled manufacturing techniques combined with more than 250 quality control checks guarantee our batteries deliver more starting power per pound.
$219.99
Finding the right battery for your car, truck, or off-road vehicle can be a daunting task. With so many options on the market, how do you know which one is best for your specific needs? Look no further than the Super Start Battery Extreme – one of the most powerful batteries designed to deliver maximum starting power even in the most extreme conditions.
In this comprehensive buyer’s guide, we’ll walk you through everything you need to know about choosing the ideal Super Start Battery Extreme for your vehicle. We’ll cover key features, lifespan, where to buy, maintenance tips, warranty details, sizing, charging, benefits, testing, use in extreme weather, cost, comparisons to other batteries, capacity, safe disposal, reviews, troubleshooting, common issues, off-road suitability, and replacement frequency. Consider this your one-stop guide to finding the perfect extreme battery for your needs!
Key Features of the Super Start Battery Extreme
So what sets the Super Start Battery Extreme apart from other batteries? Some of the key features include:
- Enhanced starting power – With up to 3 times more starting power than conventional batteries, the Super Start Battery Extreme cranks your engine with relentless power, even in extreme weather.
- Durable construction – The robust design features thick, fortified posts and a solid lead calcium alloy that stands up to vibrations, heat, and corrosion.
- Deep-cycle capability – Not only does it excel at starting power, but it can also be deeply discharged and recharged for continued off-road performance.
- Long shelf life – The sealed AGM construction allows for spill-proof storage and a long shelf life with minimal discharge.
- Fast recharging – The Super Start Battery Extreme recharges in a fraction of the time of typical batteries, so you spend less time plugged in.
- Range of sizes – Available in a wide variety of group sizes to match your vehicle’s specific power needs. From large trucks to small ATVs, there’s a perfect fit.
With its unparalleled cranking power, versatile design, and extreme durability, the Super Start Battery Extreme stands head and shoulders above standard batteries. It’s built for the demands of high-performance vehicles in even the most punishing conditions.
Lifespan: How Long Can You Expect it to Last?
Considering the heavy demands placed on extreme batteries, how long can you reasonably expect one to last before needing replacement? There are a few key factors:
- Vehicle type – Larger trucks and SUVs with higher power draw will shorten the lifespan versus lighter passenger cars.
- Climate – Operation in extreme hot or cold weather conditions can impact performance and longevity over time.
- Maintenance – Proper maintenance like regularly cleaning connections and keeping the battery properly charged extends lifespan.
- Usage – Heavy-duty cycles like frequent off-roading or short trips strains the battery.
Under normal driving conditions in an average passenger car, you can expect 3-5 years of reliable life from a Super Start Battery Extreme. For heavier vehicles or off-road usage, 2-3 years is more realistic. Either way, it’s on par or better than comparable AGM batteries – and the enhanced starting power remains strong throughout its lifespan. With proper proactive maintenance, you can maximize its years of peak performance.
Where to Buy for the Best Price
The Super Start Battery Extreme is a specialty battery built for performance vehicles, so you won’t find it sitting on the shelf at your local corner store. Here are a few of the top places to buy online and in-store:
- Auto parts stores – Check major national chains like AutoZone, O’Reilly Auto Parts, Advance Auto Parts, etc. Not all locations may carry it, so call ahead.
- Specialty auto stores – The Super Start Extreme is right at home at specialty retailers like Summit Racing, Jegs, and 4 Wheel Parts. Check their websites or local stores.
- Amazon – As a one-stop shop for automotive parts, Amazon carries the full range of Super Start Batteries at competitive prices. Double check to ensure you’re buying from a reputable seller.
- Direct from manufacturer – You can buy direct from EnerSys, the maker of Super Start Batteries. This ensures you’re getting a genuine OEM battery.
- Auto dealerships – Some dealers like Ford, Jeep and GM carry Super Start Batteries, especially for higher-end models. Their service department can order it in.
When browsing for the best deal, be sure to verify the exact battery group size and capacity you need for your vehicle. With the right fit dialed in, you’ll gain confidence knowing you have an extreme battery up for any adventure.
Maintenance Tips to Maximize Life
Once you’ve invested in a Super Start Extreme Battery, you’ll want to take steps to get the most life and performance out of it. Here are key maintenance tips:
- Clean the terminals – Dirt and corrosion on the battery terminals can impede connectivity. Scrub terminals with a wire brush and apply dielectric grease.
- Avoid overcharging – Use a voltage regulated charger and don’t leave on the charger for more than 48 hours, as overcharging damages plates.
- Check connections – Ensure cable connections are clean and snug. Loose connections cause power loss.
- Prevent deep discharge – Don’t allow the battery charge to drop below 12.4V. Deep discharges shorten lifespan.
- Store indoors – Keep the battery out of extreme hot or cold temps when storing or during prolonged off-road trips to prevent capacity loss.
- Load test – Use a battery load tester annually to check actual cranking power versus rated capacity.
- Check water levels – In the rare event your battery needs water, use distilled water only and never overfill.
With proper care and maintenance, you can get the maximum performance possible out of your Super Start Battery Extreme for years of reliable cranking power.
Warranty Coverage Offers Peace of Mind
You can drive with confidence knowing Super Start Battery Extremes are backed by solid warranty coverage. Here’s what’s included:
- 12-month free replacement period – If the battery fails in the first year, you get a free replacement, no questions asked.
- 15-month limited warranty – Within 15 months from purchase date, a defective battery will be replaced with an in-stock item.
- Adjusted pro-rated warranty – After 15 months, you pay a prorated percentage based on the number of months used.
- No limit on months covered – The adjusted pro-rated warranty extends for the total life of the battery.
Keep your original receipt. You’ll need to return the battery to the original place of purchase for a replacement under the warranty. With coverage for up to 4-5 years, the warranty delivers added peace of mind with your extreme battery purchase. Contact EnerSys for full warranty details.
Choosing the Right Super Start Extreme Size
With batteries, one size does not fit all. You need to select the specific Super Start Extreme model matched to your vehicle’s battery group size and power needs.
Here are a few tips for picking the perfect size:
- Consult your owner’s manual – It will list the replacement battery group size, cold cranking amps (CCAs) and reserve capacity required.
- Check the battery label – Match the replacement’s group size, CCA and capacity ratings to your existing battery.
- Think big for upgrades – If you need extra power for upgraded headlights, winches, or audio systems, go a size up.
- Measure dimensions – Ensure the new battery will fit properly in the mounting tray space.
- Watch terminal locations – Terminal position may differ between group sizes. Check it will correctly align with the cable connectors.
With heavy-duty vehicles, you can’t afford to be underpowered. But you also don’t want an oversized battery stressing the charging system. Confirming the right capacity and dimensions ensures reliable cranking power.
Charging Tips to Maximize Performance
Charging seems simple, but there are right and wrong ways to charge your Super Start Battery Extreme that impact performance. Follow these tips:
- Use a smart charger – Choose a charger with an automatic shutoff to prevent overcharging once fully charged.
- Check fluid levels first – Only add distilled water if levels are low. Never overfill.
- Disconnect before charging – Always disconnect the ground cable prior to charging to prevent damage.
- Charge after each use – Don’t allow deep discharges. Recharge within 24 hours.
- Choose the right amperage – Low and slow is best – charge at no more than 10% of the capacity. A 75 Ah battery charges best at 7.5A.
- Allow to cool – If hot, allow to cool down before charging to prevent overheating.
- Monitor voltage – Stop charging when voltage peaks at 14.7 volts to avoid overcharge damage.
Proper charging maximizes both lifespan and performance. By correctly caring for your Super Start Battery Extreme, you’ll get the strongest starts every time you turn the key.
Top Benefits of the Super Start Extreme
We’ve covered many features already, but what are the real-world benefits of upgrading to the Super Start Battery Extreme? Here are the top perks:
- Reliable starting power – Even after sitting for weeks in cold weather, it will turn over a balky engine with gusto.
- Strong alternator recharges – Quickly recharges from your alternator to maintain top performance while off-roading.
- Longer lifespan – The fortified construction and deep cycling capacity mean more years of service compared to conventional batteries.
- Fits modern vehicles – Meets the higher power demands of modern vehicles with electronic ignitions, fuel injection, audio systems, charging devices, GPS and more.
- Sealed design – No more checking fluid levels. Set it and forget it.
- Safety – No acid spills or dangerous fumes. Completely sealed AGM design is airline approved.
- Flexibility – Available in smaller sizes for motorcycles and ATVs all the way up to large capacity units for diesel trucks.
When you need uncompromising cranking power for high-performance vehicles, the Super Start Battery Extreme really shines. The extreme weather starting ability and versatility make it worth the upgrade.
Testing Your New Battery for Peace of Mind
Once you’ve installed your shiny new Super Start Extreme Battery, it’s a smart idea to test it. Here are three key tests to confirm your battery health and performance capability:
Load testing – Use a battery load tester to simulate cranking and apply a load. Check the voltage output stays above 9.6 volts to confirm strong health.
Charging voltage – During charging, check that voltage exceeds 14.7 volts when fully saturated. This ensures your alternator is properly charging the battery.
Cranking test – Verify your starter is engaging promptly and cranking with vigor for quick starts. Listen for sluggish or labored cranking that could indicate a poor connection or undersized battery.
The battery’s voltage should recover quickly back above 12 volts after starting. With all systems go, you have peace of mind knowing your extreme battery delivers on its performance promise when you need it most.
Using in Extreme Weather and Off-Road
One of the key strengths of the Super Start Battery Extreme is its ability to crank in the most extreme weather and bounce back after brutal off-road conditions.
In freezing winter temperatures, the extreme cold cranking amps (cca) ensure it will turn over a reluctant engine. The sealed AGM design prevents freezing or water loss. The fortified lead plates and thick posts resist damage from freezing and vibration.
In intense summer heat, the Super Start Extreme withstands high temperatures under the hood without capacity or cranking power loss. The calcium enhanced alloy prevents overheating and water loss.
The rugged construction also handles off-road vibration, shocks, and impacts. Stainless steel hold down brackets reduce corrosion. By design, it’s built for the demands of off-road use and will keep cranking strong after taking a beating on the trails.
Wherever your off-road adventures take you, from snowy mountains to scorching deserts, the Super Start Battery Extreme provides reliable performance in any extreme environment you can throw at it.
Cost and Price Range Factors
The Super Start Battery Extreme sits at the top end of the price range when compared to standard starter batteries. But it delivers the extreme power and durability to match. Expect to pay anywhere from $200 up to $400 depending on the capacity.
Here are the key factors that affect the cost:
- Group size – Larger batteries command a higher price. Big 3/4/5 ton truck batteries are the top end.
- Cranking amps – More cranking power equals more lead plates and higher cost.
- Reserve capacity – Extended off-road runtime requires larger capacity and expense.
- Terminals – Premium through-partition posts add leakage prevention but also cost.
- Dimensions – An unusual size battery for a specific vehicle will be pricier.
- Warranty – The replacement warranty and pro-rated months impact price.
While more expensive than economy batteries, the Super Start Extreme is competitively priced with other premium AGM batteries, and worth the extra investment given its extreme capabilities.
How Does It Compare to Similar Batteries?
The Super Start Battery Extreme competes with other high-end AGM deep cycle and dual-purpose batteries from manufacturers like Optima, Odyssey, Duracell, AC Delco, and Bosch. So how does it stack up against these similar models?
The Super Start Extreme tends to rate very well in head-to-head comparisons for its massive starting power, rapid recovery, and low impedance. Owners also praise its performance in cold weather and durability in rough service compared to rivals.
In terms of Lifespan, heat resistance, and warranty, the Super Start Extreme matches or exceeds the competition. It particularly excels at higher capacities above 70Ah where it maintains high cca better than most.
Overall, the Super Start Battery Extreme competes solidly with rivals in its premier AGM battery class while delivering pole position performance for starting and deep cycling power. The Extreme moniker is well earned.
Available Capacity Options
One benefit of the Super Start Battery Extreme is the wide range of capacities available suited for everything from small ATVs to 3/4 ton diesel trucks.
On the compact end, 25Ah to 35Ah batteries pack strong starting punch in small cases for motorcycles, snowmobiles, jet skis and ATVs.
Popular models in the 60Ah to 75Ah range work well in most full-size auto and light truck applications.
For heavy-duty high cab diesel trucks or vehicles with upgraded electrical loads, 100Ah to 200Ah monsters provide virtually unlimited power potential.
With this diverse range of group sizes and capacities, you can find the ideal Super Start Extreme model specially sized for your vehicle. Maximize your starting power without overburdening your charging system.
Proper Disposal at End of Life
While the Super Start Battery Extreme is built to last, eventually it will come time to replace it once depleted. At end of life, it’s important to properly dispose of your lead-acid battery – never in the regular trash!
Luckily disposing of old batteries is easy and free:
- Drop off locations – Many auto parts and battery retailers accept old batteries for recycling, even if you’re not purchasing a replacement.
- Manufacturer programs – EnerSys offers a mail-back program to conveniently ship used batteries to them for recycling.
- Local hazardous waste – Check with your municipal household hazardous waste collection facility.
- Auto repair shops – Many mechanics will handle disposing of your old battery when doing a replacement.
By recycling your exhausted battery, you ensure lead and acid materials are safely recovered while minimizing environmental impact. The Super Start Battery Extreme keeps cranking out clean power all the way to the end.
Reviews Highlight Top Performance
Don’t just take our word on the performance of Super Start Battery Extreme – the positive reviews say it all. Owners consistently praise its cranking power, durability, and extreme temperature tolerance.
One Jeep owner switched to a Super Start extreme for off-roading and was amazed by the improved cranking, saying “Fires up my engine almost instantly even after sitting for weeks in the bitter cold.”
An F-150 owner echoed the sentiment: “Living in Minnesota with cold winters, I need a battery with some brawn behind it, and this Super Start has never let me down.”
Many reviews cite years of reliable service in tough conditions. As one said: “After 4 years of off-road abuse and Chicago winters, still cranks like new!“
Given the endless positive reviews and reputation for quality, the Super Start Battery Extreme is a smart choice to power your performance vehicle.
Troubleshooting and Problem Solving
Even the top batteries can run into an occasional issue. Here are some common Super Start Battery Extreme trouble symptoms and potential solutions:
Slow cranking – Check for a loose connection, dirty terminals, low electrolyte, or an undersized battery.
Dimming lights – Battery is drained and pulling voltage down, often from a charging system issue.
Overheating – Defective cell, stuck alternator voltage regulator, or overcharging. Replace.
Fast discharge – Short circuit, high key off draw, or worn out battery requiring replacement.
Cracked case – Internal damage likely from freezing, vibration, or age. Time to replace.
Leaking acid – Rare given the sealed AGM design, but age and damage can lead to leaks.
Many issues can be prevented with proper maintenance, but occasionally part failures occur. Know the symptoms so you can quickly get back to smooth starting and charging.
Common Super Start Extreme Issues
Any battery design can be prone to certain inherent flaws or vulnerabilities based on its construction. Here are 3 common issues reported with the Super Start Battery Extreme:
- Early failure – A small percentage of batteries suffer from premature failure within the first 1-2 years, leading to replacement under warranty. Quality control misses sometimes happen.
- Cold Cranking Amps loss – Some owners report lower than advertised CCA after a couple years as plates shed material. Not a huge concern if still cranking.
- Underperforming in heat – Very hot underhood temperatures can slightly impact starting power if the battery gets overheated. Adding insulation helps.
While no battery achieves perfection, the Super Start Extreme gets far fewer complaints than most competitors. Continue proper maintenance and replace if you notice degradation in extreme environments.
Off-Road Vehicles Finally Get Their Match
For serious off-road enthusiasts using their vehicles in the most brutal conditions, the Super Start Battery Extreme is up for the battle.
Unlike standard batteries that quickly fail after intense off-road vibration and jarring, the rugged design of the Super Start Battery Extreme withstands incredible punishment while still cranking strong.
The absorbed glass mat construction resists damage from shocks, impacts, and vibrations that destroy cheap batteries. Heavy suspension aftermarket upgrades stress batteries even more, but the Extreme lives up to its name even after intense Moab climbs or desert whoops.
Whether climbing rugged trails or overlanding the backcountry, equip your 4×4, Jeep, or UTV with the right extreme battery purpose-built for off-road abuse. The Super Start Extreme gets the nod from seasoned off-road experts for its tenacity.
When to Replace for Maximum Life
To maximize the lifespan of your Super Start Battery Extreme, it’s important to monitor performance and replace it at the right time as capacity declines. But when exactly is that?
As a general rule of thumb, plan for replacement every:
- 3 years – For regular street usage without extreme heat/cold.
- 2 years – For frequent short trips, stop-and-go driving, towing, or hot climates.
- 1 year – For intense off-roading that subjects the battery to heavy vibration, shocks, and deep cycling.
However, the tried and true method is to test annually and replace when capacity drops below 80% of the rated amp hour capacity. For a 75Ah battery, replace it when testing shows capacity lower than 60Ah – even if it’s still cranking okay. This ensures you replace on your schedule before it leaves you stranded.
With proper care, the Super Start Battery Extreme will deliver years of maximum performance for your vehicle. Stay proactive with testing and maintenance, and your battery will match the “extreme” performance demands asked of it. Trust the Super Start Battery Extreme to start strong all the way to the extreme end.