car battery sizes

car battery sizes

Car Battery Sizes

CAR BATTERY TYPES & GROUP SIZES Wondering about car battery types and which is right for your vehicle? You’ve come to the right place. It pays to know the basics of batteries so you can ensure the expert care of your car. When you need a new car battery, come into a Firestone Complete Auto Care in your neighborhood. We’ll install the best battery choice from our selection of car battery types made by the industry’s top car battery manufacturer. We’ll size up your vehicle’s OEM battery and electrical system, and then set up the proper car battery group size to power your ride. Learn more about car battery types, group sizes and other specifications that matter when selecting a car battery.
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Car Battery Sizes

Battery Sizes and GroupsFortunately for users and technicians alike, the car battery industry is all standarized. There are several groups that indicate the size and terminal position of the battery (where the positive and negative terminals are placed)This makes the job of replacing your dead car battery a much, much simpler task! ​Side-Post BatteriesSome manufacturers like to re-invent the wheel. Pun not intended, it happened casually.For instance, GM vehicles side-post batteries in which the cable ends screw to the side of the battery, instead of having the posts on the top of the battery. GM-Friendly battery groups are 70, 74, 75 and 78.Recessed Top Posts Eurocar makers do typically place their posts recessed in the top corners of the battery, equalling the height of the posts and the highest part of the actual battery.Like the one on the picture left, for instance.Manyfacturers like BMW are fond of hiding their batteries underneath the rear seats, in the trunk or even more random places. I love them despite that.VAG and other Euro makers typically use batteries have a ventilation system as a part of the battery. The most common size groups are 41, 42, 47, 48 and 49.American Standard Top PostsThe vast majority of American and Japanese models (as well as other imports) place the top post in a standarized place. These are the most common battery groups in the US which is likely the kind of battery you’ve seen anywhere.Groups differ then in height, width or lengh, in most cases height is the main difference, which can lead to installing a battery that’s too high and the posts hitting the hood of the car (all sort of miracles and fun things happen when both posts do, and your fusebox celebrates the 4th of July in all its glory)​The most common groups are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59 and 65.
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Car Battery Sizes

Play Video Before you begin, you’ll need: A set of jumper cables A vehicle with a good battery that is the same voltage as yours To know the difference between the negative and positive battery terminals and the negative and positive clamps of the jumper cables. Positive is indicated by a (+) sign, the words “POS” and the color red; negative is marked by a (-) sign, the words “NEG” and the color black. The colors may vary, but are red (+) and black (-) in most instances. Jump-starting Pull the cars next to each other so they’re not touching and turn off both ignitions. Connect the positive clamp of the jumper cable to the dead battery’s positive terminal. Connect the other positive clamp of the cable to the positive terminal of the battery in the starting vehicle. Connect the negative clamp of the cable to the negative terminal of the battery in the starting vehicle. Connect the other negative clamp of the cable to the vehicle’s engine block, or other metal surface of the car-away from the battery. This metal surface is exclusive of the carburetor or tubing on the car with the discharged battery. This serves as your ground or connection point. Make certain all cables are clear of fan blades, belts and other moving parts of both engines and that everyone is standing away from the vehicles. Start the car of the battery providing the jump-start; then try to start the car with the dead battery. If the car starts, allow the engine to return to idle speed, then remove the cables in the reverse order that you put them on. Remove the negative clamp on the ground of the car that needed the jump. Remove the negative clamp on the assisting vehicle. Remove the positive clamp from the assisting vehicle. Remove the positive clamp from the formerly stalled vehicle. If the car doesn’t start, wait a few moments and try again. If it still doesn’t start, you probably need a new battery. * ANSI — American National Standards Institute
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Car Battery Sizes

When you need a new car battery, come into a Firestone Complete Auto Care in your neighborhood. We’ll install the best battery choice from our selection of car battery types made by the industry’s top car battery manufacturer. We’ll size up your vehicle’s OEM battery and electrical system, and then set up the proper car battery group size to power your ride. Learn more about car battery types, group sizes and other specifications that matter when selecting a car battery.
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Car Battery Sizes

SizeSize or Group Size refers to the height, width and length of the battery. They come in different group sizes to fit most car’s battery tray. It is important that the battery should fit snugly and securely. Always refer to your car manufacturer’s manual to know your car’s specific battery group size. You may also consult the reference guides, which battery retailers provide, find out the appropriate battery size for your car. Buying a wrong-sized battery will just be a waste of money and might just set off more damage to your car. Car Battery Brands:
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Car Battery Sizes

Size or Group Size refers to the height, width and length of the battery. They come in different group sizes to fit most car’s battery tray. It is important that the battery should fit snugly and securely. Always refer to your car manufacturer’s manual to know your car’s specific battery group size. You may also consult the reference guides, which battery retailers provide, find out the appropriate battery size for your car. Buying a wrong-sized battery will just be a waste of money and might just set off more damage to your car. Car Battery Brands:
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Car Battery Sizes

Reserve CapacityReserve capacity rating (RC) refers to the battery’s ‘standing power’. This is the amount of minutes the battery can continuously supply minimum voltage needed to run a car should the car’s alternator or fan belt fail. With an excellent reserve capacity rating, your car can run on the battery alone when the alternator stops working.The RC rating of a battery is listed in minutes. You may not find the RC rating on the battery because it is not usually printed on the label. Check the product literature or ask the store assistant to find out the true RC rating of a particular battery.The longer the operating time of the battery’ reserve capacity, the better; because this is the one quality of the battery that could save you from getting stranded. Consider the RC rating as your car’s emergency kit. In times of unexpected trouble, you can still run to safety instead of getting stuck somewhere.
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Car Battery Sizes

Reserve capacity rating (RC) refers to the battery’s ‘standing power’. This is the amount of minutes the battery can continuously supply minimum voltage needed to run a car should the car’s alternator or fan belt fail. With an excellent reserve capacity rating, your car can run on the battery alone when the alternator stops working.The RC rating of a battery is listed in minutes. You may not find the RC rating on the battery because it is not usually printed on the label. Check the product literature or ask the store assistant to find out the true RC rating of a particular battery.The longer the operating time of the battery’ reserve capacity, the better; because this is the one quality of the battery that could save you from getting stranded. Consider the RC rating as your car’s emergency kit. In times of unexpected trouble, you can still run to safety instead of getting stuck somewhere.
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A few corrections-The two cranking amp numbers displayed on batteries are most often CCA (taken at 30F) and HCA (taken at 80F). HCA is not nearly as important for anyone who actually lives where the temps drop below 60F, but as you note, sounds good.If the battery is the correct BCI number (e.g. 24F, 35, etc.) then the higher the CCA and RC, the better. There’s no “only a little higher” limit, except that it doesn’t pay to spend significant change on a battery with higher ratings than specified for your vehicle, unless you have added a lot of power hungry equipment to it. But if prices are comparable, you will generally get more life (barring broken plates) out of a battery with higher CCA and RC ratings.Do NOT use a common wire brush to wet scrub exposed battery terminals. Accidentally shorting the battery terminals can result in burns, or even an explosion. Specialized terminal cleaners are fine, and use a fiber or plastic bristle brush to scrub the battery case. Make sure none of the baking soda you use ends up going into the cells of the battery (that will partially neutralize the battery acid).Topping off (only to the full level line) with distilled water IS a good recommendation. Some water is lost over time as hydrogen and oxygen (gas), as well as evaporation, even in “maintenance free” batteries. Under normal conditions, checking the levels by carefully removing the caps once every 12 – 18 months should be sufficient.In general automotive use, batteries will last 4 to 5 yrs -some may only go 2 1/2 yrs, some may go 7 (the extremes are rare). Greatly discharging a battery, or jostling around a discharged battery is very damaging.Beyond that, I think you have a great article.

Published on Jun 17, 2017 | Under Car | By michael ellis
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