Ever been stranded on the side of the road because your car wouldn’t start? That sinking feeling is often caused by a dead or dying battery. Choosing the right car battery is super important for your vehicle to run smoothly. But when you look for a battery, you see all sorts of numbers like “Group 25.” What does that even mean? It can feel confusing trying to figure out if a Group 25 battery is the right fit for your car.
Picking the wrong size battery can lead to problems down the road, from not fitting in the tray to not having enough power. It’s a headache you don’t need. This guide is here to clear up the confusion around Group 25 car batteries. We will break down exactly what they are and who needs them.
Keep reading, and you will learn how to confidently choose a Group 25 battery that matches your car perfectly. We’ll cover everything you need to know to get your engine turning over reliably every single time. Let’s dive into the details and find you the best battery solution!
Top Group 25 Car Battery Recommendations
- BATTERY SPECS: 12-Volt, 720 Cold Cranking Amps, Size: 9.38" Long x 6.75" Wide x 7.69" Tall, Weight: 31.7 pounds, SAE Posts, C20 Capacity: 44 AH
- RESERVE CAPACITY of 90 minutes for constant performance. Faster charging capabilities.
- SPIRALCELL TECHNOLOGY: Spircalcell Technology with 99.99% pure lead delivers more power and consistently outperforms conventional flat-plate batteries. Optimal starting power even in bad weather.
- LONG LASTING: Fifteen times more resistant to vibration than standard flooded battieres for durability and Up to 3 times longer life vs. standard flooded batteries.
- MAINTENANCE FREE: for maximum convenience. Ideal for basic electrical demands.
- Fast Starting Power: This 12V 70Ah 710 CCA delivers strong, steady starts is ready for any weather in any season.
- Made to Last: With its 120-minute Reserve Capacity supports longer run times and a longer overall battery lifespan.
- All Power, No Mess AGM Design: Sealed and spill-proof, the MM-G24F is built with high discharge output and deep discharge recovery to keep power steady when it counts.
- Strength That Starts on the Inside: The rugged construction resists shock, vibration, and harsh conditions, delivering reliable performance across a wide range of temperatures and tough environments.
- Tested Tough & Certified Safe: Mighty Max batteries are built in an ISO-certified facility and meet CE standards for quality, safety, and reliability
- Voltage: 12v - PHCA: 1200
- Cold Cranking Amps (CCA): 675 - HCA: 900
- Reserve Capacity in Minutes: 110
- Negative Terminal Location: Right Side
- Terminal: with SAE posts
- ✅ COMPATIBLE DIMENSIONS & TERMINALS: Battery dimensions: 10.75" L x 6.81" W x 8.89" H, with tapered terminals (Left negative (-), Right positive (+)). Please verify the dimensions and terminal positions before purchase to ensure compatibility with your vehicle and avoid fitment issues.
- ✅ HIGH PERFORMANCE & LONG-LASTING: This 70AH 12V battery delivers 710 cold cranking amps (CCA) for reliable starting power, offering up to twice the cycle life of traditional flooded batteries. Nominal Voltage: 12V, Charging Voltage: 14.4-15.0V, and acceptable charging current: 0-17A. Operating temperature range: -22°F to 158°F.
- ✅ EXCEPTIONAL HEAT/COLD RESISTANCE: AGM batteries are designed with advanced materials like glass fiber mats and specialized separators for superior heat and cold resistance. They maintain optimal performance even in extreme temperatures, making them ideal for use in both hot and cold climates.
- ✅ LOW SELF-DISCHARGE & ENHANCED SAFETY: With a low self-discharge rate, our AGM battery holds its charge better over time, ensuring quicker starts, even after long periods of inactivity. Plus, AGM batteries are safer than flooded batteries, reducing the risk of acid leaks, spills, and corrosion. They’re also more durable, lasting 2-3 times longer than flooded alternatives and are safer to handle.
- ✅ SPEICAL DESIGN: group size 24F agm battery was designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car or SUV, this automotive car battery is the perfect choice for reliability.
- ✅Batter dimensions: 10.75" L x 6.81" W x 8.98" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
- With a 70AH capacity and 710 cold cranking amps (CCA). Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries. If your car's original battery is an AGM type, you must continue using an AGM battery, as your car will not accept a "downgrade" to a flooded battery. Nominal Voltage:12V. Charging Voltage:14.4~15.0V. Acceptable Charging Current:0~21A. Operating Temperature Range: -22°F~158°F.
- Heat / Cold Resistance: The materials used in the construction of AGM batteries (such as glass fiber mats and specialized separators) have better heat resistance. This allows AGM batteries to maintain their performance and capacity even in the hottest climates, They are also more resistant to extreme temperatures, making them ideal for hot or cold regions.
- Low Self-Discharge: AGM batteries have lower self-discharge rates compared to flooded batteries. Self-discharge refers to the loss of capacity that batteries experience over time when not in use. In hot climates, when the battery may need to be stored for extended periods or not frequently used, AGM batteries can better maintain charge, providing higher voltage output and easier engine start-up in any climate.
- Enhanced Safety: AGM batteries have a lower risk of acid leaks and spills compared to flooded batteries. This is because the acid is absorbed and held within the glass fiber mats, reducing the risk of corrosion or damage to surrounding components,this makes AGM batteries more durable and long-lasting, is also two to three times longer than flooded batteries. AGM batteries also have a lower risk of explosion and are safer to handle, making them ideal for high-performance vehicles.
- OUTRAGEOUSLY DEPENDABLE: The Interstate MT series delivers reliable battery life and enhanced performance in hot to moderate climates for an affordable price. This battery delivers 550 Cold cranking amps (CCA) and has 100 minutes of reserve capacity
- GROUP SIZE 25 CAR BATTERY: This battery fits over 550 different year/make/model car batteries! Please confirm if this battery fits your vehicle with Amazon's Confirmed Fit Tool at the top of this page
- OUR "BETTER" FLOODED, NON-AGM CAR BATTERY: MT-25 offers longest life in hot to moderate climates due to a high electrolyte-to-lead ratio that resists extreme temperatures. This conventional flooded battery delivers 25-30 cycles at 80% depth of discharge
- MOST TRUSTWORTHY POWER SOURCE: Since 1952, Interstate Batteries purpose has been to deliver the most Outrageously Dependable source of power to the world. Our customers come first, so we strive to create a positive experience for all. We recycle more batteries than we sell; please return to an Interstate All Battery Center near you so we can continue recycling
- REFUNDABLE CORE DEPOSIT: The price of this battery includes a Refundable Core Deposit. Please bring your used battery (core) to this Interstate All Battery Center to receive your deposit back.
- ✅Batter dimensions: 9.52" L x 6.89" W x 7.48" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
- 100RC rating： Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries.Nominal Voltage:12V, Capacity: 60 Ah. CCA: 680A, Self Discharge: <8% after 90 days storage.Operating Temperature Range:-22°F ～158°F, Acceptable Charging Current: 0～18A, Charging Voltage: 14.4 ～15.0 V,
- 60AH capacity: Delivers consistent power over time, Cycles more, and recharges faster than conventional batteries.
- 680 CCA: Ensures quick and reliable starting power.Delivers superior starting power in cold weather, and resists internal corrosion from heat.
- Advanced technology: Specially designed for vehicles with start-stop technology and accessories that demand greater power, Whether you drive a car, truck, or SUV, this 100RC 60AH 680CCA automotive start-stop battery is the perfect choice for reliability.
- ✅Batter dimensions: 9.06" L x 6.89" W x 8.82" H, Terminal: Tapered terminal (Left negative (-), Right positive (+)). ✅Please ensure to verify the dimensions and terminal position before making a purchase to guarantee compatibility with your vehicle to avoid any fitment issues.
- With a 55AH capacity and 650 cold cranking amps (CCA). Provides reliable performance and long service life, Up to 2 times the cycle life of conventional batteries. If your car's original battery is an AGM type, you must continue using an AGM battery, as your car will not accept a "downgrade" to a flooded battery. Nominal Voltage:12V. Charging Voltage:14.4~15.0V. Acceptable Charging Current:0~17A. Operating Temperature Range: -22°F~158°F.
- Heat / Cold Resistance: The materials used in the construction of AGM batteries (such as glass fiber mats and specialized separators) have better heat resistance. This allows AGM batteries to maintain their performance and capacity even in the hottest climates, They are also more resistant to extreme temperatures, making them ideal for hot or cold regions.
- Low Self-Discharge: AGM batteries have lower self-discharge rates compared to flooded batteries. Self-discharge refers to the loss of capacity that batteries experience over time when not in use. In hot climates, when the battery may need to be stored for extended periods or not frequently used, AGM batteries can better maintain charge, providing higher voltage output and easier engine start-up in any climate.
- Enhanced Safety: AGM batteries have a lower risk of acid leaks and spills compared to flooded batteries. This is because the acid is absorbed and held within the glass fiber mats, reducing the risk of corrosion or damage to surrounding components,this makes AGM batteries more durable and long-lasting, is also two to three times longer than flooded batteries. AGM batteries also have a lower risk of explosion and are safer to handle, making them ideal for high-performance vehicles.
Your Guide to Choosing the Best Group 25 Car Battery
Buying a new car battery can feel tricky. You need the right size and power for your vehicle. Group 25 is a common size. This guide helps you pick the best one. We explain what to look for so your car starts every time.
Key Features to Look For
When shopping for a Group 25 battery, several features matter most. These details tell you how strong and reliable the battery is.
Cold Cranking Amps (CCA)
- What it is: CCA measures how much power the battery gives in cold weather. This is very important if you live where it gets chilly.
- What to aim for: Look for a CCA rating of 500 or higher for most standard cars. More CCA means easier starts in the cold.
Reserve Capacity (RC)
- What it is: RC tells you how long your battery can run your car’s accessories (like lights or radio) if the alternator stops working.
- What to aim for: A higher RC gives you more backup time. Aim for at least 90 minutes.
Battery Type
- Flooded Lead-Acid (SLA): This is the standard, most affordable type. It needs occasional water checks.
- Absorbed Glass Mat (AGM): AGM batteries cost more but last longer. They handle vibrations better and resist leaks. They are great for cars with many electronics or stop/start systems.
Important Materials That Matter
The materials inside the battery decide how long it lasts and how well it works.
Lead Plates
- Thicker lead plates generally mean a longer battery life. They resist corrosion better.
- High-quality batteries use purer lead. Purer lead conducts electricity better.
Case Material
- Most Group 25 batteries use strong polypropylene plastic for the case. This plastic resists bumps and vibrations.
- Check for a sturdy, well-sealed case. A good seal prevents leaks and corrosion around the terminals.
Factors That Improve or Reduce Battery Quality
Not all Group 25 batteries are made equal. Some design choices boost performance, while others cut corners.
Quality Boosters:
- Robust Grids: Strong internal grids reduce the chance of internal shorts.
- Vibration Resistance: Batteries designed to handle rough roads last longer. AGM batteries usually win here.
- Good Warranty: A longer free replacement warranty (like 2 or 3 years) shows the manufacturer trusts their product.
Quality Reducers:
- Thin Plates: Very thin internal plates save money but wear out faster.
- Poor Sealing: If the top or vents are poorly sealed, moisture can enter, which damages the battery internally.
- Old Stock: Always check the manufacturing date. A battery sitting on a shelf too long loses some of its charge capacity.
User Experience and Use Cases
How you use your car affects which battery you should choose.
Daily Commuter
If you drive short distances every day, a standard Flooded Lead-Acid battery often works well. Make sure it has enough CCA for your climate.
Heavy Electronics User or Off-Roading
If your vehicle has lots of speakers, navigation, or if you frequently drive on bumpy roads, choose an AGM battery. AGMs handle deep discharges and vibrations much better than standard batteries.
Extreme Climates
In very hot areas, batteries break down faster due to heat. Choose a battery known for heat resistance or one with a strong warranty. In very cold areas, prioritize the highest CCA rating you can find.
Group 25 Battery FAQs
Q: What cars usually use a Group 25 battery?
A: Group 25 batteries often fit many mid-sized sedans, some smaller SUVs, and older trucks. Always check your owner’s manual to confirm the exact group size needed for your car.
Q: How long should a Group 25 battery last?
A: Most quality batteries last between three to five years. Proper maintenance and climate conditions greatly affect this lifespan.
Q: Is an AGM battery always better than a standard one?
A: Not always better, but often better for certain situations. AGMs are more expensive. If your car does not have complex electronics or you live in a mild climate, a good standard battery saves you money.
Q: What does “BCA” mean on a battery?
A: BCA stands for Battery Cranking Amps. It measures power at 0°F (-18°C). CCA measures power at 0°F but uses a slightly different test standard. For most buyers, focus on the CCA rating.
Q: Can I use a Group 35 battery instead of a Group 25?
A: Group 35 batteries are similar in size but might have different terminal locations or slightly different CCA ratings. You must check that the physical dimensions and terminal placement match your car’s battery tray and cables exactly.
Q: How do I know if my Group 25 battery is failing?
A: Common signs include slow engine cranking, needing several tries to start the car, dimming headlights when idling, or a rotten-egg smell near the battery.
Q: Does the battery terminal material matter?
A: Yes. Most modern batteries use lead alloy terminals. Some high-end batteries use thicker, sometimes silver-coated terminals for better conductivity and corrosion resistance over time.
Q: Should I buy a battery with a higher CCA than recommended?
A: A slightly higher CCA is usually fine and even helpful in cold regions. However, do not buy one that is significantly larger, as it might not fit correctly in the battery tray.
Q: What is the best way to keep my new battery healthy?
A: Keep the battery terminals clean and free of white or blue corrosion. Avoid leaving accessories on with the engine off. If the car sits for long periods, use a trickle charger.
Q: Where can I find the manufacturing date?
A: Manufacturers stamp the date code onto the battery case or a sticker. You usually need to look up the code online using the brand’s website to find the exact month and year it was made.