Replacing batteries can be a nightmare, especially once you start reading about sizing, chemistry types, and terminals.
Below we’ll go through the specifics in easy to understand English, to clear up your questions about group size 50 batteries.
⚡BCI Group 50 Key Facts⚡
- Length: 13.5 inch
- Width: 5 inch
- Height: 10 inch
- Weight: 43 lbs
- 12V
- 600 CCA
- Sealed, Flooded
- Starting
What is a Group 50 Battery?
BCI group size 50 are mid-sized starting batteries used in passenger cars and light trucks.
Weighing just over 40 lbs and measuring 13 ½ by 5 inches, it can deliver 600CCA and 40 to 50Ah.
You’ll find they aren’t used in many modern vehicles anymore and have been replaced by more popular sizes. You might see them in certain models of Ford.
Due to low demand you will struggle to get them off the shelf at your local auto parts dealer. It is best to ask for it to be ordered in or use a specialist online retailer like BatteriesPlus.
You certainly won’t find them used as marine or deep cycle batteries. If you need something for an RV or Solar panel system then look at other options.
BCI Group 50 Dimensions and Weight
The dimensions of a group size 50 battery are:
- Length: 13 ½ inch (343mm)
- Width: 5 inch (127mm)
- Height: 10 inch (254mm)
- Average Weight: 43lbs (19kg)
Chemistry Type and Application
Group 50 batteries are most commonly made as sealed lead acid, also marked as SLA or SLI. This is similar to a traditional flooded lead acid battery, but they are maintenance free so you don’t need to refill the battery solution. You should be careful not to overcharge these as it can quickly cause swelling and damage.
You won’t easily find any AGM options. Manufacturers don’t bother to make lithium equivalents either due to low demand.
As I mentioned, the application is only for starting / cranking gas engines. They are not for cyclical application to run electronics or draw currents when your engine is not running. If you attempt to do this it quickly depletes and kills your battery.
Pros and Cons of Group 50 Batteries
Let’s look at the advantages and disadvantages of these batteries.
Pros:
- Useful starting battery
- 600CCA
- Long and thin design
- Sealed Lead Acid Available
Cons:
- Becoming rare and hard to find
- Not used in many vehicles
- No AGM or Lithium options
Summary
I hope this information about group 50 batteries answers your questions.
As you have discovered, these are medium sized starting batteries used for cranking gas engines in passenger cars. They are not found often in modern automobiles, but due to their unique dimensions they can be of use.
You’ll notice they are long and thin measuring 13 ½ by 5 inches, so measure your battery compartment to ensure it fits your requirements.
