The most common battery dimensions are listed in the following table chart:
| Group Size | Dimensions |
| Group 51 and 51R Batteries | 9.374 x 5.0625 x 8.8125 inches |
| Group 24 Batteries | 10.25 x 6.8125 x 8.875 inches |
| Group 35 Batteries | 9.0625 x 6.875 x 8.875 inches |
| Group 27 Batteries | 12.0625 x 6.8125 x 8.875 inches |
What does battery group size 27 mean?
You may have heard common terms like a " group 24 battery " or "type 27 marine battery." These numbers are referring to the Battery Council International, or BCI, Group Number of the battery. These numbers define the physical dimensions of the battery case. This is important as some applications call for specific case sizes.
What is the size of a group 27 battery?
Group 27 Batteries Capacity. The group 27 batteries are powerful and large batteries. It features a 20h capacity in the 66-110 Ah range and provides 600-1000 CCA. The RC rate is 140-220 in minutes. Product weight between 14 to 33 kg. Most of the time this battery is used for heavy-duty work. Group GC12 Batteries Informations
What is a group size 27 battery?
Group 27 batteries are rather large and powerful batteries, featuring 20h capacity in 66-110 Ah ...
How to determine battery group?
Should I get a single 36V lithium battery OR Three 12V batteries in series?
- Multiple days of run time on a single charge. The #1 choice of our pro-bass fishing staff for tournament use is 3x 12v 100Ah in series. ...
- More versatile. You are not married to 36V forever. ...
- Can be repurposed for other uses. Lots of RVs and boats, and off-the-grid electrical systems run on 12V. ...
- Safety / Redundancy. ...
What are the dimensions of a 27 battery?
Group 27 batteries are rather large and powerful batteries, featuring 20h capacity in 66-110 Ah range, providing 600-1000 CCA, 140-220 minutes RC, etc. Their weight depends on the internal construction and it ranges between 54 and 70 pounds (24.5 - 32 kg).
What are the dimensions of a group 27 battery box?
Product Specifications for QuickCable Group Size 27 Battery BoxBM Part #:BOX-27Battery Size:Group 27Length:Outside: 16.13" Inside: 12.75"Width:Outside: 9.63" Inside: 7.25"Height:Outside: 10.88" Inside: 10"2 more rows
What's the difference between a 24 and a 27 marine battery?
Group size 27 is approximately 20% larger in both physical size and capacity than the 24, and generally speaking, the larger the capacity the better - especially if you have one of the 6cyl eTec or four stroke outboards. I'm looking @ Cabelas AGM batteries, and the difference between the 24 and 27 is 5 amps/9 lbs./$10.
How long is a 27 series battery?
A typical group 27 battery measures 12-1/2 inches long by 6-3/4 inches wide by 9-3/8 deep. It exudes around 92 ampere-hours of electrical energy that is much high than any cold cranking amps battery.
What vehicle uses a Group 27 battery?
The Group 24 and 27 Batteries are mostly found in older American Cars, and some Hondas, GMs and will be often used in boats. They are basically the same size except for length.
What is a 27 DC battery?
27DC Marine/RV Battery (1426) 27DC Marine/RV Dual Purpose Item #: 1426 • This battery works well in all marine applications both deep cycle and starting. as well as in RV applications for house power. This battery is a group size 27 with dual marine terminals SAE automotive and commercial threaded posts.
What's the difference between a group 24 and a group 27 battery?
If you compare a group 24 battery and group 27 deep cycle battery together, you'll notice that the mp hours are slightly higher on the group-27 product. This specification difference is made on purpose by the manufacturers. In general, a group size with a higher number has more amp hours than lower values.
How long will a group 27 deep cycle battery last?
Most deep cycle batteries can last up to six years with proper care and charging (depending on the frequency of use). It's up to you to make sure that your battery isn't being damaged by your charging routine.
How many amp hours is a size 27 battery?
85-105 Amp hoursSome common battery size codes used are: (ratings are approximate)U134 to 40 Amp hours12 voltsGroup 2470-85 Amp hours12 voltsGroup 2785-105 Amp hours12 voltsGroup 3195-125 Amp hours12 volts4-D180-215 Amp hours12 volts3 more rows
How do you measure battery group size?
If the battery that originally came with your car is still in it, look for the group size on a label on the battery. The label may be on the top or on the side of the case. Group sizes are typically a two-digit number and may be followed with a letter.
What does 27M mean on a battery?
Marine Battery Group Size Chart – Common SizesGroup SizeLengthHeight24M10-1/4”9-3/4”259-1/16”8-7/8”27M12-1/2”9-3/4”31M13”9-7/16”4 more rows
What does group size mean on a battery?
Battery Group Size This refers to the battery size that will best fit the physical dimensions, terminal locations and type required for your vehicle. Group size is typically based on your vehicle's make, model and engine type.
Group 24 Battery
Battery products in BCI Group 24 are mainly general-purpose batteries that can be found in applications such as large UPS systems, medical and security equipment, wheelchairs, automobiles, and industrial machinery. Typically, deep cycle batteries are used for deep cycle standby applications and for float.
Group 27 Battery
Group 27 batteries are very large and powerful, with an internal capacity of 20h and a range of 66-110 Ah, providing 600-1100 CCA and 140-220 minutes RC. In terms of weight, these vary between 24.5 and 32 kg based on internal construction.
Group 31 Battery
In terms of the Battery Council International (BCI), a group 31 deep cycle battery falls under this category. Group 31 batteries have become very popular not only for vehicles, boats, and remote power sources. A deep cycle battery can be discharged and recharged multiple times.
Group 34 Battery
Group 34 batteries are medium-size and powerful that provide 750-900 CCA, 100-145 minutes of reserve capacity. They are equipped with 20h capacities in the 50-75 Ah range. The weight depends on the battery type and internal construction that can be as low as 16.8kg and as high as 23.1kg.
Group 35 Battery
Lead-acid batteries of the BCI Group 35 are very popular, commonly used in both starting and dual-purpose applications, for example, in cars, trucks, and RVs.
Group 47,48 and 49 Batteries
The most frequently used battery by Group 47 (H5, L2, 55L2) batteries are medium-sized batteries that are commonly utilized in automobiles and light industrial sectors for cranking and dual-purpose as well as starting mid-range diesel and gasoline engines. They’re also used to generate power while the engine (s) is shut off.
Group 51 Battery
A BCI Group 51 battery is a very popular and widespread battery used as an automotive starting and dual-purpose battery, as well as a general-purpose/auxiliary battery in many other applications requiring consistent and reliable power.
Can I Use A Different Group Size Battery?
We would recommend that you have one that is based on the actual size of the box where the battery will be sitting. You could, of course, install the largest battery that fits into the box in your vehicle.
Car Battery Recommendations Based on Group Size
Of the various Group 27 batteries now available, the 3 we would recommend you consider purchasing are:
FAQs
These days, typically, the BCI codes are used when it comes to batteries for placing them in groups U1, 24, 27, 29, and 31.
Group 24 Vs Group 27 Deep Cycle Battery: 4 Differences to Consider Before Replacing the Existing One
When you are looking for replacing the existing battery in your vehicle, the very first thing to consider is compatibility. You can confirm its fit by reading the dimension difference in both groups.
Which Group Size Deep Cycle Battery Is Better: 24 Or 27?
Besides all those differences in the detailed comparison, there is also a visible gap in power between them.
frequently asked questions (FAQs)
From the measurements I have given at the beginning of the discussion, you will notice that both group size batteries have the same width and height. And, there is a slight difference in the length which is 1.8125 inches or 46 mm.
Conclusion
Now, you have a clear overview of group 24 vs 27 deep cycle battery comparison. For car or truck owners, it is hard to do anything else besides the factory default group size.
Understanding Battery Group Sizes
Before proceeding further, it’s vital to understand the concept of battery group sizes. of course, we all are aware that batteries come in numerous sizes and shapes, right? But what does “group” mean in the case of a battery?
The Difference between Group 24 and Group 27 Batteries
The BCI Group 24 batteries usually categorize as general-purpose ones, commonly found in vehicles, larger UPS systems, medical equipment, industrial applications, and security systems. In contrast, Group 27 batteries are more powerful and larger.
Verdict
Batteries are the most critical, non-negotiable component of an automotive vehicle. You cannot neglect them or else be ready for a severe energy burst and damage. In worse-case scenarios, a wrong decision and negligence can be a fatal threat to your life as well.
Recommendations
Without any doubt, Group 24 and Group 27 batteries are pure models of perfection. If used as per their intended, they can produce magnificent results. For better understanding, let us dive into more details of realistic examples. These manufacturers are producing some exceptional Group 24 and Group 27 batteries.
In Conclusion
Group 24 battery and Group 27 battery are both reliable and durable contenders. They are durable and offer exceptional performance. In addition, some brands of Group 24 battery offer cold-cranking amps as well, making it a good choice.
