Group 58 and 58R Batteries: Alternatives and Recommendations

Group 58 and 58R batteries are mid-size cranking batteries used in some passenger cars, sedans, SUVs, and even boats as affordable and reliable Starting, Lighting, and Ignition (SLI) battery.

Group 58 and group 58R batteries share the same dimensions but different battery terminal orientations. Also, many brands that offer both group 58 and group 58R batteries offer batteries that are internally different - group 58R batteries often have better discharge characteristics than group 58 batteries.

Updated: September 18, 2024.

Group 58 and 58R Batteries Features and Specifications

BCI group 58 and group 58R batteries share the same physical dimensions, but they have different terminal orientations.

The physical dimensions are (L x W x H) 10 1/16 x 7 3/16 x 6 15/16 inches (10.0625 x 7.1875 x 6.9375 inches, 255 x 183 x 177 mm).

Also, group 58 batteries have a positive terminal to the LEFT, and group 58R batteries have a positive terminal to the RIGHT (hence the "R").

Group 58/58R batteries are almost exclusively designed as starting, flooded, lead-acid batteries.

As such, most of them are NOT maintenance-free and NOT spill-proof - they must be mounted in a vertical position, and from time to time, it is up to the user to check the electrolyte height and to add distilled water when/if required.

On the other hand, during the warm season, maintaining the battery properly may prolong its lifetime significantly.

On average, group 58/58R batteries feature a nominal capacity of ~43-48 Ah, Reserve Capacity of 75-100 minutes, CCA of 500-610 Amps, CA 615-750 Amps, and they weigh between 28 and 32 pounds (~12.7 - 14.5 kg).

The following comparison chart lists some of the most popular group 58 and 58R batteries with their most important features and specifications:

Since many brands offer both 58 and 58R battery groups, when changing the battery in your car, be sure to check the wiring and choose the battery that best suits your needs.

Note: Personally, many cars don't like to have their batteries disconnected, and some of them may even lock themselves completely. If You have to change the car's battery, consider doing it in the certified workshop and/or dealership, where they can replace the battery without the car's electric system losing power. Also, they can take your old battery and recycle it properly.

Group 58 and 58R Batteries Replacements and Alternatives

Group 58 and 58R batteries are sometimes hard to find locally, and since they are flooded with lead-acid batteries, there are some limitations when ordering them from online shops.

Also, some car owners simply want maintenance-free, spill-proof batteries for their cars for obvious reasons.

Several battery groups are a close fit to the group 58/58R batteries, just be sure to check exact dimensions, terminal orientation, hold-down system, discharge performances, and similar:

• Group 58/58R dimensions: 10.0625 x 7.1875 x 6.9375 inches, 255 x 183 x 177 mm, group 58 terminal orientation +/-, group 58R terminal orientation -/+.
• Group 96R battery dimensions: 9.5 x 6.9375 x 6.9375 inches, 242 x 175 x 175 mm; fits the group 58/58R dimensions, terminal orientation -/+, performances very similar to 58/58R batteries, mostly flooded lead-acid batteries, but Odyssey manufactures AGM dual-purpose Odyssey ODP-AGM96R (96R-600) battery (Amazon link, link opens in the new window) which is maintenance-free, spill-proof battery.

• Group 47 (H5, L2, 55L2) batteries dimensions: 9.6875 x 6.875 x 7.5 inches, 246 (242) x 175 x 190 mm; fits the group 58/58R battery compartment, except it is ~0.5 inches taller; terminal orientation -/+. Group 47 batteries are offered as both starting and dual-purpose AGM Sealed Lead-Acid (SLA) batteries. Due to the larger internal volume, group 47 batteries are somewhat heavier than group 58/58R batteries, but they also feature better performances in terms of capacity, RC, and CCA. If You are looking for an AGM group 58/58R battery, and group 47 batteries can fit your battery compartment, and the terminal orientation is not a problem, then the group 47 batteries are probably your best option.

Note: Amazon links ('Model' column) open in the new windows, feel free to check them for the most up-to-date offers and prices.

• Group 34/34R battery dimensions: 10.25 x 6.8125 x 7.875 inches, 260 x 173 x 200, slightly longer, narrower, and one inch taller; due to the larger internal volume, group 34/34R batteries are both heavier and have better discharge characteristics than the group 58/58R batteries. Also, group 34/34R batteries are far more popular and offered as lead-acid and lithium batteries and as deep-cycle, dual-purpose, and starting batteries. If it can fit your battery compartment, a good choice as a replacement for the group 58/58R battery - just be careful about terminal orientation and hold-down system.

Note: Amazon links ('Model' column) open in the new windows, feel free to check them for the most up-to-date offers and prices.

Group 58 and 58R Batteries Frequently Asked Questions (FAQ)

Here are some of the most common Frequently Asked Questions (FAQ) about group 58/58R batteries:

What are the signs that I need to replace my Group 58 or 58R battery?

There are several signs that indicate it might be time to replace your Group 58 or 58R battery. Here are the key symptoms to watch out for:

• Slow Engine Crank: When you attempt to start the vehicle, the cranking of the engine is sluggish and takes longer than normal to start.
• Check Engine or Battery Light: The check engine or battery light on your dashboard lights up, indicating that your battery might be having issues.
• Age of the Battery: Car batteries typically last between 3 to 5 years. If your battery is nearing the end of this range, it might be time for a replacement.
• Swelling or Bloating Battery Case: If the battery case looks swollen or bloated, this could be a sign that the battery has been exposed to excessive heat, leading to a decreased battery life.
• Corrosion on Battery Terminals: White, ashy substance on the metal parts of the battery is a sign of corrosion. This can lead to voltage issues and trouble starting your vehicle.
• Electrical Component Issues: If you're experiencing issues with your vehicle's electrical components, such as dim headlights, flickering dashboard lights, or slow window operations, the battery may be failing.
• Bad Smell: A rotten egg smell around the battery or under the hood could indicate that your battery is leaking gas.
• Frequent Jump-starts Needed: If you find yourself needing to jump-start your vehicle frequently, this is a strong indication that your battery is failing.

If you notice any of these signs, it's a good idea to have your battery tested at a service center to determine whether it needs to be replaced to avoid any inconvenience or potential safety issues.

Can extreme temperatures affect the performance of Group 58 and 58R batteries?

Yes, extreme temperatures can significantly affect the performance of Group 58 and 58R batteries, as well as other types of car batteries. Here's how temperature impacts battery performance:

• Cold Weather: In cold temperatures, the chemical reactions required to generate power in a car battery slow down, reducing the battery's ability to hold a charge. Batteries can feel sluggish and unable to provide enough power to start an engine during very cold weather. Additionally, cold weather can increase the thickness of the engine oil, making the engine harder to turn over, which requires more power from the battery.
• Hot Weather: Hot temperatures can also adversely affect battery performance. Heat can accelerate battery degradation by causing the battery fluid to evaporate, which then damages the internal structure of the battery. This can lead to a decreased lifespan and diminished performance. High temperatures can also increase the rate of self-discharge and voltage drop.

To mitigate these effects, it's important to:

• Keep the Battery Clean: Ensure that the battery terminals are free from corrosion, which can exacerbate issues, especially in extreme temperatures.
• Check the Battery Regularly: Regular testing and inspection can help identify potential issues before they lead to battery failure.
• Ensure Proper Installation: Make sure that your battery is securely mounted to minimize vibration, another factor that can reduce battery life.
• Consider a Battery Blanket: In cold climates, using a battery blanket can help maintain the battery’s optimal temperature.
• Park in the Shade: In hot climates, try to park in the shade to minimize direct exposure to the sun and reduce under-hood temperatures.

Taking these precautions can help extend the life of your battery and ensure reliable performance regardless of the weather conditions.

Are there any specific maintenance tips for Group 58 and 58R batteries?

Maintaining your Group 58 and 58R batteries is essential for ensuring their longevity and reliability. Here are some specific maintenance tips to help you keep your battery in top condition:

• Keep the Battery Clean: Regularly clean the battery terminals and the surface of the battery to remove dirt and corrosion. Use a mixture of baking soda and water to neutralize corrosion and a wire brush to clean the terminals.
• Check the Battery Charge: Use a voltmeter or a multimeter to check the voltage level of your battery. A fully charged battery should read around 12.6 volts or more when the engine is off. Regular checks can help you monitor the battery’s health.
• Secure the Battery: Ensure that your battery is securely mounted in its tray to prevent vibrations. Excessive vibration can damage the battery plates and cause short circuits.
• Inspect for Damage: Regularly inspect your battery for signs of damage, such as cracks or bulges in the case. These can be signs of internal damage or overheating.
• Keep the Battery Charged: If your vehicle is not going to be used for an extended period, consider using a battery maintainer to keep the battery fully charged. This helps prevent the battery from degrading due to undercharging.
• Check the Electrolyte Level: If you have a serviceable battery, check the electrolyte levels and top up with distilled water if needed. However, most modern batteries are sealed and do not require this.
• Avoid Short Trips: Frequent short trips can prevent the battery from fully charging, leading to a reduced lifespan. Try to give your battery a good, long run regularly to allow it to charge fully.
• Regular Service Checks: Include battery testing as part of your regular vehicle maintenance. This should be done at least twice a year or according to the guidelines provided by your vehicle manufacturer.
• Temperature Considerations: Protect your battery from extreme temperatures where possible. Use an insulation blanket in colder climates and try to park in the shade or a garage in hot climates.

Long Story Short: Group 58/58R batteries are cranking/starting, flooded lead-acid batteries that must be regularly maintained, especially during warm seasons.

Considering their size and weight, they have good CCA/CA values and should not be used for anything except engine cranking - they are typical SLI batteries.

If You are looking for a dual-purpose or even a deep-cycle battery of similar dimensions, feel free to check Group 34/34R batteries.

If You can't find a group 58/58R battery locally and especially if You want to use an AGM battery of similar dimensions, consider one of the Group 96R, Group 47, or Group 34/34R batteries.

Note: there are other similar battery groups, but the size differences are relatively large.