With a variety of sizes and types available, buying the correct replacement battery for your car can be confusing. Amongst these various choices is a particular set of sizes of batteries that have become increasingly popular: 24F vs 27F Battery Type. So what distinguishes between these two battery sizes?
In this article, we explain exactly how each differs and when to use one over the other!
Group 24F batteries are dependable and high-performing. Not only are they the perfect choice for automotive, marine, RV, or any other purpose requiring an energy source with reliable performance, but they are also environment-friendly and maintenance-free!
These batteries are available in both flooded and sealed versions. Their dimensions measure in at 10.75 inches long x 6.81 inches wide x 9.00 inches tall, making them easy to install within many applications, along with a power capacity of 250–900 Cold Cranking Amps (CCA), 130–180 minutes of Reserve Capacity (RC), and a 66–110 amp hour rating! Talk about powerhouse goodness!
Moreover, this battery has a good weight, which is 55–60 lbs on average—not much if we talk practicality! What’s more? Get 3–5 years of usage expectancy depending on application, so there you go, another solid point why Group 24F reigns supreme when it comes down to getting ultimate dependability and great functionality!
Group 27F Quick Overview
The Group 27F battery is designed for long-term dependability and exceptional performance in any application!
Its AGM and lead acid construction ensures unbeatable power; it is capable of supplying 20 hours worth of energy within the 66 to 130 Ah range. Boasting up to 600–1000 cold cranking amps, 140–220 minutes of reserve capacity at 12 volts, this highly sought-after choice among off grid, automotive, RVs and marine applications has not disappointed those who have relied on it time and time again!
Plus, with dimensions measuring approximately 12.50″ length by 6.81 width and 8.94″ tall—with a weight averaging between 54 and 70 lbs—this technology delivers an amazing promise that will surely pay dividends over its expected life span!
Group 24F vs Group 27F Battery
Groups 24F and 27F—two groups ideal for automotive, marine, and other similar applications—appear similar at first glance. But the numbers reveal that there are differences between them worth noting: even though both can be used in such areas of operation, each has distinct advantages when it comes to specific use cases.
Comparison Chart
| Group 24F | Group 27F |
|---|---|
| 10.75×6.81×9.00 inches | 12.50×6.81×8.94 inches |
| 55-60 pounds | 54-70 pounds |
| 130-180 minutes | 140-220 minutes |
| 250-900 CCA | 600-1000 CCA |
| 66-110Ah capacity | 66-130 Ah capacity |
| 3-5 years average lifespan | 3-5 years average lifespan |
Dimensions
Group 27F and 24F differ in their dimensions, with Group 27F having an extra 1.75 inches of length when compared to its counterpart; despite being a seemingly small difference, it can have great significance for users who need batteries that will fit into limited spaces.
Weight
The weight variance between these two battery types is slight yet noticeable: while they are within comparable ballparks regarding massiness, each offers just enough deviation from the other’s characteristics to make all those tiny differences important.
Terminal positions
Both models share exactly the same terminal positions—using type A and A2 terminals, which place the positive post situated on the left side.
RC Rating
Group 27F has an impressive reserve capacity, approximately 20 minutes greater than that of its 24F counterpart, meaning it will keep you going for longer without requiring a recharge.
CCA Rating
The 27F boast higher Cold-Cranking Amps (CCA) which are perfect when faced with colder temperatures.
Capacity
And finally, we see how Group 27F has increased in capacity further as this type comes along with around 10% more battery capacity, ensuring your power lasts for even longer!
24F vs 27F: Which Group Size Is Better?
The choice of a battery all comes down to the individual’s needs and requirements. Are you looking for something with increased capacity or one that starts better in colder climates?
Group 27F is usually suggested when high-performance characteristics are required, yet there are also many people who opt for slightly smaller (Group 24F) batteries that may be easier to manage and lighter overall. Whatever your need may be, rest assured that each option provides long-lasting quality!
Group 24F Battery Equivalents
Group 24F batteries may not always have the same size or terminals as their counterparts. It’s crucial to check beforehand when looking for a replacement – incorrect dimensions could result in incompatibility with the existing system!
| Battery Group | Dimensions |
|---|---|
| Group 24F | 10.75×6.81×9.00 inches |
| Group 46 | 10.75×6.81×9 inches |
| Group 24T | 10.25×6.81×9.75 inches |
| Group 28 | 10.25×6.81×9.44 inches |
| Group 24H | 10.25×6.81×9.38 inches |
Group 27F Battery Equivalents
It’s critical to make sure the measurements fit before getting a Group 27F battery replacement—even though they may look like their counterparts, these batteries aren’t exactly alike.
The dimensions and terminals for one could be different than those of another! Get your perfect match by verifying size compatibility with the original device so that you can safely get it up and running again quickly.
| Battery Group | Dimensions |
|---|---|
| Group 27F | 12.50×6.81×8.94 inches |
| Group 27 | 12.06×6.81×8.87 inches |
| Group 27H | 11.75×6.81×9.25 inches |
| Group 64 | 11.62×6.38×8.875 inches |
| Group GC12 | 12.87×7.19×10.87 inches |
| Group 31A | 13.00×6.81×9.44 inches |
| Group 31T | 13.00×6.81×9.44 inches |
FAQs - 24F vs 27F Battery
What cars use 27F batteries?
Is 24 the same as a 24F battery?
No, group 24 batteries and 24F batteries might be from the same group with similar characteristics but have different dimensions.
What cars does a 24F battery fit?
Is 24F the same as 35?
No. Everything from group 24F will also fit into group 35, but not everything from group 35 will necessarily fit into group 24F.
What does the F in the 24F battery mean?
The F indicates that the battery has flat terminal posts.
The Bottom Line
In the end, it comes down to your needs and requirements. Group 27F batteries have a higher capacity and are better for starting in colder temperatures. For those looking for a smaller battery that is still reliable and long-lasting, they should go with Group 24F. No matter which you choose, though, both products offer superior performance!
James is an engineer and a professional blogger. He has gained extensive experience over the years, handling all types of power projects. He loves to share his experiences with all things related to batteries, generators, and other power-related topics.
