Best Car Batteries for Sound Systems

best car batteries for sound systems

After a rigorous selection, we bring you the best car batteries for sound systems. The battery is an essential part of your car and it can happen that it malfunctions, which requires you to repair it before you can use your car correctly.

You will notice at this precise moment that when we talk about the battery, the proposal is varied and that there are many brands that have positioned themselves on the market.

To help you find your way around the different brands of batteries, I have listed in this article the most important brands of auto batteries that you should know

In other words, our proposals leave you your free will to make your choice on the best brand of best car batteries for sound systems.

There are some important criteria to take into account when choosing the right car battery. You need to test the battery capacity and the amperage at startup.

The intensity is the current that the battery will deliver over a short period (a few seconds) to start your car. The measurement is indicated in Amperes (A).

This means that all batteries are easily comparable. The quality of the components plays a decisive role in the intensity at the start of the battery. Thus, the higher the intensity, the higher the purity of the lead used to create the battery, and the faster the starting speed.

What is the best car batteries for sound systems?

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Last updated on November 28, 2020 10:12 pm

1. AGM battery Bosch S6 – Best Overall

The Bosch S6 series combines AGM type batteries with good value for money. They are designed to meet the most demanding vehicles in terms of power and functionality. This is the case for most recent high-end vehicles and those with the start and stop function.

It is also a good choice for an older vehicle that you do not use often or when you live in a cold region because the battery discharges less quickly and better supports deep discharges.

This automotive battery is the ideal choice when a battery replacement is necessary because it is designed with AGM technology which allows it to resist leaks, projections, and vibrations.

In addition, due to the pressure maintained on the plates which optimize its operation, these batteries have a longer service life (up to 4 times) than ordinary maintenance-free batteries. It is a waterproof battery that requires no maintenance. In addition, Bosch offers an additional 1-year warranty for the purchase of a battery in this series.

Bosch also offers a large choice of more classic type batteries in its S3 series and EFB (for start / stop entry-level) batteries in its S6 series.

Are you hesitating between Bosch and Varta? Note that Bosch and Varta batteries are designed by the same manufacturer ”  Johnson Controls  ” which is one of the largest battery manufacturers in the world, so they come out of the same production line.

By looking more closely at the characteristics of the batteries of the 2 brands, you will quickly notice a lot of similarity on the models sold, their power, and their size.

For example, The Varta Black Dynamic 570 409 064 (E 13) battery is identical to the Bosch S3 008 (both with the blacktop cover). Both are of an intensity of 70 amps (640 CCA) and of the same dimensions. It is the same for most models of the 2 brands which are identical in all respects: the S4 series with the Blue Dynamic series and the S5 series with the Silver models from Varta.

So if you hesitate between a model of one of these 2 brands, simply choose the cheapest of the 2 that is currently available (sometimes there are price differences between the 2 brands or promotions)

Main characteristics :

  • Type: AGM
  • Power: 12v – 70Ah – 760CCA
  • Length: 278mm
  • Width: 175mm
  • Total height: 190 mm
  • Terminal Type: A (standard SAE)
  • Layout: positive terminal on the right

Benefits :

  • Ideal for recent cars, high-end cars with start/stop system, vehicles that are not used frequently and cold regions
  • High starting power at all temperatures, even very cold
  • Supports deep discharge and can be stored for a long time
  • Up to 4 times more efficient than a standard battery
  • Anti-leak
  • Can be used in any position (except upside-down)
  • Additional 1-year free warranty (by subscribing to Easy Way )

2. Optima Red Top RT U (AGM)

The Optima RedTop RT U battery is one of the most popular car batteries today. It is designed to offer a very powerful starting capacity, even in cold weather. The battery is of very good quality and can withstand sudden launches and sudden and extreme turns. It is therefore suitable for various vehicles, including trucks, SUVs, competition cars, and ordinary cars.

The RedTop RT U is above all an excellent AGM type starter battery. Designed to provide a strong boost of ignition power every time, this battery will ensure a reliable start, whatever the road or the weather (it is mainly thanks to its SpiralCell technology).

The 4.2 model of this brand has 815 cold start amps (CCA) and a reserve capacity of 100 minutes for constant performance. The manufacturer claims that the RT U model is 15 times more resistant to vibration, which is believed to significantly increase battery life and performance.

If you hate maintenance in any way, you will be happy to know that Optima batteries are maintenance-free (so say goodbye to adding water to your car battery!). In addition, they are fully waterproof and very easy to install, they can be mounted in almost any position.

Main characteristics :

  • Type: AGM
  • SpiralCell technology
  • Length: 254 mm
  • Width: 174mm
  • Total height: 195 mm
  • Weight: 17.6 kg
  • Terminal type: standard SAE + lateral terminals (US type)
  • Layout: positive terminal on the left
  • 2 years warranty

Benefits :

  • Ideal for Boats, cars, sport utility vehicles, generator use and vehicles that are not used frequently
  • High starting power at all temperatures even when cold
  • 15X more vibration resistant
  • Anti-leak
  • Can be stored in any position
  • Longer lifespan than standard batteries (new technology)
  • Supports deep discharge

3. Odyssey PC1230

 

The Odyssey PC1230 battery is an Extreme Series model of the brand, designed for motorized sports vehicles which need a lot of power and a high-quality battery. With its 170 amp CCA (cold start) and its durable construction, the Odyssey can withstand the constant shaking of a sports vehicle much better than a conventional battery (AGM technology).

Thanks to its robust construction incorporating pure lead plates, this battery is very well protected against vibrations and shocks which normally destroy conventional batteries in a short time.

In fact, the Odyssey has a lifespan 70% longer than conventional deep batteries and three times longer than standard batteries. And that’s not all, the battery is capable of withstanding up to 400 cycles at a depth of discharge of 80%. In the end, it’s an impressive automotive battery at an affordable price.

In addition, the product is tolerant of extreme heat, which is an important characteristic of the batteries of motorized sports vehicles. The product design which incorporates absorbent fiberglass plates makes it impervious to overflows and allows it to be mounted or manipulated in any direction.

Main characteristics :

  • Type: AGM
  • Power: 12v – 55Ah – 760CCA – 1230 PHCA (Pulse max 5 seconds)
  • Length: 240mm
  • Width: 177.5 mm
  • Total Height: 201.2mm
  • Weight: 20.6 kg
  • Terminal Type: standard SAE
  • Layout: positive terminal on the left
  • 2 years warranty

Benefits :

  • Ideal for Boats, cars, sport utility vehicles, vehicles that are not used frequently
  • High starting power at all temperatures even when cold
  • 400 charge-discharge cycles at 80% discharge depth
  • Anti-leak
  • Can be used in any position (except upside-down)
  • Service life multiplied by 4

4. YUASA YTX9-BS BATTERY

Another firm that offers great batteries for your car is YUASA. Specifically, one of the best models on the market for this firm is the YTX9-BS, which has AGM (Absorbed Electrolyte) technology, which will allow you to never have to check the acid level of the battery.

The YUASA YTX9-BS battery, in addition, has a longer useful life, since due to its calcium plates it allows longer periods of storage and, to stay cooler, it is purchased dry together with its own acid container High-gravity that is added at the time of installation.

The weight of this battery is 3kg, so it could be said that it is very manageable. In addition, its dimensions are 150x87x105 and it has 12 Volts and 8 Amps. In addition, its starting power is 135 CCA.

But, perhaps, if there is something that makes it one of the favorite batteries on the market (along with all those that offer this on the market) it is that it does not have any type of maintenance, so its use is quite simple: so you only have to worry about placing it in your vehicle and that’s it.

5. OPTIMA YTS-5.5 12V 75AH BATTERY

This Optimal signature battery is the only car battery you will find on the market with a dual purpose: Start-Pull-Power Supply).

The Optima YTS-5.5 is used in any application that demands high starting power and deep energy cycles, such as in cars with large audio systems.

And it is that there are many who opt for this battery since it offers a great power in the initial seconds (up to the first 10 seconds) during the starting process, which far exceeds any conventional battery that, right now, be on the market.

Another characteristic that makes this Optimal signature battery something special is that it is three times more resistant to vibrations than a conventional battery, something that should be taken into account above all if it is installed in all-terrain vehicles that usually be exposed to many vibrations.

Also, another thing that makes it genuine is that it can be uploaded and downloaded many times, without any loss of capacity. Therefore, the Óptima becomes a perfect battery for seasonal use, mainly due to its self-discharge rate.

As for technical characteristics, the Optimal YTS-5.5 battery has a starting power of 975A and a power of 12 Volts and 75 Amps. In addition, another thing that will interest you about this battery is its weight and dimensions.

The Optimum measures 325x165x238mm and have a weight of 27.90kg. Its dimensions are large, as is its weight, but, you should not forget that it is one of the batteries on the market that offers better benefits to the user.

Things to consider when buying a car battery

It is more than likely that you will need to replace your car battery several times during the life of your vehicle, but if you make a wise choice the first time, it is guaranteed that the battery will last longer and perform better during its years of use.

Before making a purchase decision, there are a few things to consider, the most important of which are:

The right size

Let’s start with the basics: a battery must above all be the right size suitable for the battery holder of your car. This means that it must have the correct length, height, and width.

So, before even considering the purchase of a battery, make sure that the dimensions correspond and that its terminals are well placed for your car (consult the manufacturer’s manual, your mechanic, or measure yourself). This is crucial because the battery must adapt perfectly to its support in order to be secure and protected against vibrations.

The power required

One of the most important features of a good car battery is its required power, or its cold start (CCA) and standard start (CA) intensity. The CCA represents the capacity of the battery to start a vehicle at -17.8 ° C, while the AC represents the energy required to start a vehicle at temperatures of 0 ° C. To put it bluntly, the more CCA, the better.

Total battery capacity (Ah)

This is actually the total energy reserve of the battery. It is expressed in ampere-hours (Ah) which corresponds to the number of amperes (intensity) that a battery is capable of supplying in 1 hour. A battery with a capacity of 60 Ah can deliver 60 amps for 1 h or 20 amps for 3 h. In general, the higher this value, the more reserve you have before breaking down.

Battery condition (date of manufacture)

It is important to buy a recent car battery because it will lose its strength over time, as it does when stored for a long time. How to check the date of manufacture of a battery?

There is actually a code made up of a letter and a number which indicates how recent a battery is (in other words, when it was manufactured). For example, A / 5 means that the battery was manufactured for January 2015, while B / 4 means that it was manufactured for February 2014 (the letters are months).

But not all manufacturers use the same code for their batteries, so it’s important to check for yourself. If a battery does not have a ‘typical’ code, it means that it has a shipping code.

Never buy car batteries more than six months after the date of manufacture. Inquire to understand how to decipher the manufacturer’s code. The Internet is a good way to find this information.

With or without maintenance

Car batteries are available in two versions: maintenance-free and low-maintenance. Maintenance-free batteries are sealed for protection and the amount of liquid electrolyte is sufficient to keep the battery running for its entire life. Low maintenance batteries are opened with caps, allowing the operator to add distilled water when necessary.

Today the majority of batteries are of the “maintenance-free” type, this in order to make life easier for motorists (and make them consume more too). Maintenance-free batteries have an average life of 5 years, which is often shorter than a maintenance battery that some manage to hold for more than 8 years.

Warranty

All car batteries are normally guaranteed, but you naturally want to take advantage of the longest free replacement period possible.

The free replacement period is not the only warranty that is offered, a car battery also has a pro-rata period that allows for partial reimbursement. For example, the code 24/84 means that you have a free replacement period of 24 months and a prorated money-back guarantee of 84 months. Again, it is safer to look for a battery with the longest free replacement period.

Types of car batteries

Although they all have the same purpose, that is, to power your vehicle and all of its equipment – car batteries come in different types. Let’s cover the most commonly used types of automotive batteries.

Battery SLI Starting, lighting and ignition

SLI batteries are the most common type of automotive batteries, so most cars still use them today. As the name suggests, they start the car and provide energy not only for ignition but also for lighting, radio and more.

It also plays a role in regulating the voltage when the engine is running to avoid any damage to the electrical installation. These batteries have a shallow charge cycle and can only provide power in short bursts, so they need to be recharged fairly frequently.

Deep cycle batteries (slow discharge)

Slow discharge batteries are not only more resistant to supply more of their energy, but they can do so over a longer period of time. For this reason, they are particularly suitable for powerful and newer cars, but also for certain recreational vehicles like a boat, motorhome and even golf carts.

Lithium-Ion (Li-ion) battery

These new automotive batteries are very powerful, they are able to store a lot of energy (significantly more than conventional batteries), they are also lighter and compact and can be recharged faster. However, they are not yet widely distributed and therefore often incompatible with the majority of vehicles in circulation.

They are perfect for hybrid and electric cars, and there seems to be an increasing number of new vehicles that can use them too. However, their major drawback is that their life is too short.

Valve regulated lead-acid battery (VRLA)

VRLA batteries are sealed batteries, i.e. they are fully waterproof and require no maintenance. It is this type of battery that you should turn to if you are looking for better quality, more durable battery at a reasonable price.

It is also this type of battery that best supports deep discharges and use in cold weather. In addition, these batteries are 100% compatible with all vehicles, because they are based on the same operating principle as a conventional lead-acid battery, they are just an improved version of it.

However, as they are sealed, the VRLA batteries cannot be maintained, so always take care to avoid overcharging which can greatly reduce their lifespan.

There are two subtypes of VRLA batteries, namely gel batteries and AGM batteries. Gel batteries have a silica gel electrolyte and generally work best for deep cycle applications, while AGM batteries whose electrolyte is this time stabilized inside fiberglass blotters are capable of providing more power to start than other sealed batteries.

These 2 types of batteries are safer because it releases much less hydrogen and better withstands shocks and vibrations without risk of leakage.

Classic open batteries

Easy to recognize with its small caps on the top, open batteries are among the oldest and most affordable automotive batteries. But there is a reason for this, or rather multiple reasons. They do not have the same lifespan as VRLA batteries and they generally require regular maintenance to replace the electrolyte lost by evaporation.

Speaking of their name, they are also called wet batteries because they contain a liquid based on demineralized water which forms the electrolyte. They can be sold dry, that is to say not filled with the electrolyte packaged separately. This allows them to be stored before use without affecting their lifespan.

Many car enthusiasts still prefer to use this type of battery, which they find more durable than a standard maintenance-free battery. Proper use and an adequate supply of water will make it last longer.

Car battery maintenance

Most modern car batteries are maintenance-free, which means they are sealed and you don’t need to add water. On the other hand, the batteries requiring little maintenance and which are not sealed, oblige you to check them more regularly and to add water from time to time to avoid drying out.

But no matter if your battery is a maintenance or maintenance type, one thing remains true: you need to check it regularly and take care of it to extend its life and ensure optimal performance.

It is recommended to have your car battery checked and tested regularly, even if it is labeled maintenance free. At least once a year before winter especially if the battery suffered from heat during the summer. Contrary to popular belief, it is heat, not cold, that causes the most damage to an automobile battery.

If your battery is an open type with maintenance, here is what you should do regularly:

  • Clean cables thoroughly and remove corrosion around the battery
  • Check the electrolyte level and add water to fill the cells if necessary
  • Test the electrolyte in each cell with a hydrometer to check the battery charge

Finally, do not take a risk if the battery is not in good condition (leaking or deformed), replace it before it causes you any problems.

Charging the battery

If your battery is flat and you are in a hurry to start your vehicle right away, you will need either jump leads or a battery booster.

In both cases, you use another energy source to supply the current necessary for the starter to start. It’s quick and painless, but if your car battery can’t hold the charge properly (if you don’t drive long enough), you’ll have to start over each time you have to drive, which will quickly become very boring.

Investing in a good battery charger is always a good idea, as it can save you a lot of trouble in the future. Using a charger is a breeze – just connect the positive clamp to the positive terminal of the battery (red to red) and the negative clamp to the negative terminal (black to black). When you are done plugging in the charger, plug it into a household outlet, and turn it on.

Keep in mind that to charge a fully discharged battery, you need more than 8 hours, so it is best to leave it on overnight. Of course, you don’t want to overcharge your battery either, but most modern battery chargers have functions to avoid any problems.

You will know when to stop charging thanks to LEDs which indicate when the battery is ready, moreover, there are intelligent chargers that manage the whole process by itself and stop automatically.

Myths (misconceptions) about car batteries

As with everything, car batteries have their own myths – some come from people who have good intentions but don’t know enough about the subject, while others are just lies.

Believing these misconceptions can prevent you from taking care of your car battery and, therefore, shorten its normal lifespan. Avoid falling into the myths trap about the following car batteries, as these are just bad advice!

Although you can recharge your battery while driving, if it is almost completely discharged, driving will not help much. Despite what some may think, alternators are not overpowered battery chargers.

They simply cannot quickly transfer large amounts of energy to the battery. So, if your battery is heavily discharged, use an external charger – it’s safer, faster, and cheaper because you won’t spend on gas.

Note that on a fairly old car we consider that you have to drive at least 20 minutes to restore the battery to the energy used during starting.

FAQ questions/answers on car batteries

How do I install a new battery?

Asking your mechanic to replace your car battery is always a good idea, but you can do it yourself if you want. Here are some simple, easy-to-follow steps that can help you with this task. Wear gloves if possible before touching a lead-acid battery.

  • Stop the engine and consult the maintenance manual for your vehicle to locate the battery and follow any recommendations. On a recent vehicle with injection, electric windows, on-board computer … it is recommended to use a memory backup device that plugs into the cigarette lighter. This will save you a lot of worries, you will not need to reconfigure the vehicle.
  • After connecting the backup device to the cigarette lighter if you have one, remove the negative cable (black in color) from the battery using a wrench. First, loosen the bolt or nut (often a wrench of 8 or 10), then release the terminal. Then do the same with the positive terminal (its color is red).
  • Using a wrench (often 13 with an extension), remove the battery attachment and extract the battery from its tray. Since most batteries are heavy, use both hands (or the handle if there is one). Be careful to keep the battery always straight.
  • Clean up any corrosion you find with a battery cleaning solution or a mixture of baking soda and water. Also, clean the cable connectors with a wire brush.
  • Then place the new battery on the support in the same direction as the previous one (be careful to position the terminals correctly). Then attach it to its support.
  • Remove the plastic caps covering the terminals and spray an anti-corrosion solution (lithium grease) on the two terminals.
  • Attach and tighten the positive cable first, then the negative.
  • Try shaking the battery to make sure everything is tight – if it moves, tighten the part that holds the battery to its holder.
  • You can then disconnect the memory backup unit from the cigarette lighter if you are using it. Then turn on the ignition and try to start to make sure everything is fine.

And it’s over!

How can I diagnose a dead car battery?

To diagnose if a car battery is dead, pay attention to the following symptoms:

  • Engine runs, but cannot start
  • The headlights and radio do not turn on and the car does not start.
  • Sometimes the car starts well, sometimes not (for example, it does not start in the morning, but starts later in the day).
  • You needed to use the booster or the clamps several times to start

To ensure the state of charge of the battery, the best way is to use a multimeter (position 10 in V). Wait until the battery is at rest (a few hours after using the vehicle) to have a reliable value. A well-charged battery should have at least 12.4 V, the optimal voltage (100%) is 12.6 V on a 12V car battery.

Why does the battery wear out prematurely?

There can be several reasons why your car battery discharges unusually. Some of them may include:

  • Poor maintenance (particularly true for non-waterproof maintenance batteries that require adding water regularly)
  • Poor driving habits (leaving the headlights on at night, for example)
  • Extremely cold or hot temperature (often after overheating)
  • Parasitic consumption in the electrical system (short circuit, defective component)
  • A factory defect (rare)

Do I need to add water to my battery? How much and when?

If your car battery is not a “maintenance free” type, that is, it is not sealed, you should add water from time to time to prevent it from drying out. Use only distilled water to fill the cells and add it only after checking the water levels.

This is usually every 10 charges from the battery. It is however wiser to check the level every 5 charges.

You can check the electrolyte level using the “MIN” and “MAX” marks or the visible line when the battery is transparent. If no mark is present you can look directly at the filling holes; the liquid must cover the plates at least 1 cm and be very close to the maximum height (with a margin of 3 mm).

How do I know if my battery is charged?

Fully charged car batteries should indicate a voltage ( use a multimeter ) between 12.4 and 12.65 volts at rest or between 13.7 and 14.7 volts when the engine is running. Here is a table which roughly indicates the charge level.

battery charge level voltage table

How does the excessive cold affect my battery?

It’s no secret that extreme temperatures are not good for the operation of car batteries. It is often in winter when temperatures become negative that motorists have difficulties with their batteries. The cold is unforgiving with already weak batteries. Here are the consequences of the cold on the mechanics of the car and on the battery:

  • Reduce the starting capacity of the battery
  • Increases the consumption of the starter to start the engine
  • Increase the consumption of accessories
  • Basically, very cold weather results in thickening of fluids, which can cause battery problems, leaks, and even death of a battery.

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