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Honda Accord battery: choosing the best


When you buy a new vehicle, you want to be sure that it will provide reliable service. Part of this process is making sure your Honda Accord has a good starting battery to run its engine. But knowing that it needs a battery, see which one is the best It is a difficult task.

What is the best battery for a Honda Accord?

The 10th Generation Honda Accord supports two different battery bank sizes, depending on the engine. If you have the 1.5L engine, it requires an H5 battery bank with 540 cold cranking amps. The 2.0L takes an H6 battery bank with 620 cold cranking amps.

Honda Accord 2020 Red Driver Side

What do all these terms mean? Battery banks: OEM, lead-acid, aftermarket? It’s good; Vehicle History experts have used the best sources in the automotive industry to compile all the information you need to know in this article. Keep reading to know more!

Battery Bank Sizes Explained

One area you will see regularly when looking for a good Honda Accord battery is the battery bank. These are the size (external dimensions) of the battery and the location of its terminals. But why is it important?

Your vehicle is designed to produce some power to start the engine, plus a reserve that runs the lights, audio, and similar electronic devices to some extent without the engine running. The easiest way to replace your battery is to use another battery from the same group.

Information for each battery bank size is assigned by the International Battery Council (ICC). It is important to use a battery approved for use in your vehicle. However, your vehicle may accommodate batteries of more than one group size. Find a replacement guide to find the right one for your vehicle.

One of the reasons for battery banks is that the frame, accessories, and hood of your vehicle are made of sheet metal. If you were to install a battery that was too high in your vehicle, the underside of the hood could come into contact with both terminals, causing a short circuit and a potentially dangerous situation.

Another potential issue is whether your battery maintenance will accommodate a different battery group size. If the battery is too wide, too tall, or too short, your grip may not hold the battery securely, which may allow the battery to shift. This causes problems when starting your vehicle.

However, with careful thought and measurement, you can switch to a different battery group size. For example, if you have a construction vehicle or emergency response vehicle, adding a larger deep-cycle battery can provide additional field capacity. In other situations, a second battery may provide similar results.

Lead-acid, lithium-ion, SLI, or deep cycle?

Beyond the size of the battery bank, there is another aspect of the battery you are looking at that needs to be taken into account: the chemicals used to store the electrical current. These fall into two categories: lead-acid, which most people are familiar with; and lithium ions, which are hitting the market as prices fall.


Lead acid batteries are one of the oldest and, therefore, the most widely used rechargeable batteries. Invented in 1859, they have a high power density, allowing the battery to quickly release a lot of energy. This battery consists of many cells with positive and negative plates, separators, and electrolytes.

Different types of lead-acid batteries include wet, gel, AGM, calcium-calcium, and AGM coil batteries. Because they use lead, they tend to be heavy, ranging from 30 to 50 pounds. Operating a lead-acid battery at zero charge causes significant wear and tear and can lead to premature battery failure.

This happens because deep discharge causes a buildup of lead sulfate, so periodic full charges are needed to avoid this problem, and the battery must be stored charged.


Lithium-ion batteries first appeared in the 1970s, but automotive use is more recent, starting with the 2008 Tesla Roadster. Weighing about a third of lead-acid batteries with the same performance, they work well for sports cars and motorcycles. They have a very high energy density.

In a lithium-ion battery, lithium ions move from the negative to the positive electrodes during discharge and move back during charging. They can also discharge 80% of their energy, compared to 30-50% for lead-acid batteries, before the battery runs out. Its production falls faster as temperatures drop.

Lithium-ion batteries are expected to last the life of a vehicle, compared to periodic replacement over time and the use of lead-acid batteries. However, improper charging can cause individual cells to fail.

SLI/deep cycle

What about SLI or deep-cycle batteries? These generally refer to lead-acid batteries, specifically starting, lights, and ignition (SLI) VS which can drain the battery more deeply in a deep cycle. If you use your vehicle’s electronics a lot when the engine is off, a deep cycle will help prevent battery wear.

OEM vs Aftermarket: What’s the Difference?

Red car battery standing out from the others

The last thing we will have to look at is the original equipment manufacturer (OEM) or aftermarket batteries. How are these battery types different? Will it really make that big of a difference in your vehicle’s reliability and performance? In a word, yes.

Beyond the size, type, and cycle potential of your battery, there are many manufacturing differences that you may not have considered. One plant may have poor-quality electrolyte water, while another has stronger casings and a third has inconsistent electrodes. Here is an overview of the two types.

In general, OEM batteries are of higher quality because Honda wants to maintain its reputation for high-quality vehicles that do not need to be replaced soon after purchasing the vehicle. For this reason, they tend to reject many more batteries.

But why are batteries, which are suitable for aftermarket brands, rejected more often? They may have too much or too little compound in the electrolyte water, too much difference between the capacity of the anode and cathode, and other small differences that affect the battery life, so they do not meet Honda’s internal standards.

It is for this reason that Vehicle history We recommend OEM batteries, due to their value and superior quality. But it also means you’ll see a higher price, about half the price of aftermarket options that meet the manufacturer’s basic specifications.

Because aftermarket batteries meet basic specifications, they will work well in your vehicle even if Honda rejects them. However, they may have problems later that you wouldn’t see with an OEM battery.

These problems can include common problems such as not having as many cold starts, not maintaining a decent charge, or failing battery cells, among others. However, many consumers find the lower price, around 60% of the OEM battery, to be an attractive compromise.

If you are going to secondary school, this is what we suggest

Generally speaking, it is recommended that the Honda Accord has an AGM battery as an aftermarket option, followed by a wet battery. For battery manufacturers, Duracell AGM Platinum is one of the top brands to look out for, followed by DieHard Gold Wet Flooded, both available in both battery sizes.


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