What Volt Is A Motorcycle Battery

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What Volt Is A Motorcycle Battery – Most motorcycle batteries are standard lead-acid batteries. Even if we think it’s 6 or 12V, that’s a bit of a mistake, because the actual voltage rarely meets those values ​​when the battery is good.

The primary charge of the battery is determined by the strength of the lead-acid cell. Fully charged and in good condition, each cell has a nominal voltage of 2.1V. A motorcycle battery consists of a mixture of cells connected in series to provide the required power.

What Volt Is A Motorcycle Battery

A “6 V” battery consists of three cells that provide a total voltage of 3 x 2.1 V = 6.3 V. Similarly, a “12 V” battery consists of six cells, providing 6 x 2.1 V = 12.6 volts.

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This voltage is not fixed and will vary depending on the charging (or discharging) state of the battery and the electrical load on it. As the battery wears out and loses its charge, its power gradually decreases. Similarly, when an electrical load is connected to the battery, it also reduces the voltage.

Thus, it is possible to determine the average charge of a motorcycle battery by measuring the voltage across it. This is how “smart” batteries work, constantly measuring the voltage and stopping charging when the desired level is reached.

The table below shows the average voltage that will be measured for cell-acid phones of different states. Also shown is the general voltage for the 3-cell (6V) and 6-cell (12V) batteries that will be installed on most classic motorcycles.

Note that the voltage shown is the cold voltage, which means there is no electrical load on the battery. These readings are therefore taken when all lights etc. are off. off and the engine does not run.

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* At first, after fully charging the battery, the battery voltage will be a little high, then in the next few hours it will stop until 100% full.

The voltage applied to the battery is also very important when maintaining the structure and chemistry of the cell-acid and ensuring a high capacity. The table below shows the exact voltages of the same cell as well as 6 and 12 volt batteries for different charging methods.

Fast charging is not recommended for everyday bike charging as it generates gas and requires careful monitoring and could potentially drain the battery. Some batteries may use this rate of charging in the charging process, as this can help maintain proper chemistry. However, it is not allowed to charge normally from the bicycle charger.

A typical charging system is the way most battery chargers and charging systems charge the battery. The maximum charging voltage of the lead-acid cell is 2.15V; slightly more than the cell voltage of 2.10V.

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Low voltage charging is useful in charging (maintenance) mode, where the battery can be kept at high voltage as long as it is permanently connected to a suitable electrical charger when not in use for a long time. In this way, the battery will be fully charged and ready for use.

There are many different types of batteries available for use on classic motorcycles, from traditional ‘wet’ lead-acid batteries, to sealed batteries, to modern ‘valve-regulated lead-acid’ (VRLA) batteries. such as “receptive glass material” (AGM) and the gel type. There is also the Cyclone cabin which is also very popular.

With so many types available, it can be difficult to choose the best one for your old motorcycle, but hopefully my article Choosing a Replacement Battery can provide some useful guidance.

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All cookies that may not be necessary for the site to function and are used to collect user personal information through analytics, marketing and other embedded tools are called non-necessary cookies. You must obtain user consent before using cookies on your website. There was a time when the motorcycle did not require a battery to start, but used a system and a capacitor ignition system, but now batteries are being developed to start the electric motor, the light, the electronic ignition (ECU) and the coil, the driving equipment, other electrical and electronic systems and equipment. .

It is the battery that provides all the systems at the start and when the engine installation system cannot provide enough power, such as when the engine does not run for a long time at the lights.

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In addition, the battery must also be protected against simple electric shocks and high-voltage electronics.

What is a battery? Simply put, it is an electrical device that converts chemical energy into electrical energy.

Also known as the lead-acid battery, it was invented back in 1859. As the name suggests, the cells are filled with electrolyte and need to be checked and refilled from time to time, especially in hot and humid conditions.

When stored in a discharged state, the heavy acid molecules drop to the bottom of the battery, causing the electrolyte to degrade (separate into a liquid and acid phase). When the battery is recharged, most of the current will only flow through this area, wearing out the lower part of the plate.

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To fill the water, the battery must also be fixed in a vertical position to prevent leakage. Although they are being phased out as OEM on motorcycles, they are still widely available due to their low cost.

AGM batteries are the type of OEM equipment these days, usually made by Yuasa in our market.

If you’ve ever replaced an OEM battery with another “maintenance free” type, especially if it’s from Yuasa or Koyoko, chances are it’s an AGM.

In the AGM type, the electrolyte is held by a fiberglass mat between the cells. The mattress is very breathable and therefore does not require padding. The electrolyte becomes a separating material, causing the plates to stick together, increasing the energy density compared to wet cell or gel batteries.

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AGM batteries include a single discharge valve to reduce gas pressure in the event of overfilling or discharge. Because of this feature, AGM batteries also belong to a group of designs called “valve-reversible lead-acid” (VRLA).

Another advantage of the mattress is that the electrolyte is held in place and does not spill or spread like in wet cells, meaning the battery can be placed in a variety of positions.

AGM batteries can have a longer life because they have fatty acids to increase standby power and reduce the rate of water loss. If your AGM battery shows more than 12.56V when the wheel is open (the battery has nothing to do with anything on the bike), it means it has too much acid. Again, while this is normal for this type of AGM, it may not last long.

A gel battery, also known as a gel battery, is a VRLA battery that uses a gel electrolyte. Sulfuric acid is mixed with powdered silica to form a stable mass.

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Since there is no water, it does not need to be constantly straightened, the electrolyte vapor is reduced, and there is no risk of leakage or damage. In addition, it is highly resistant to shock and vibration.

Lithium-ion batteries are now common, although they are not widely used due to cost. It would take an entire article to explain how lithium-ion batteries work!

However, it should be considered that the advantages of Li-Ion over VRLA are mainly weight savings and better pressure (CCA – cooler amps). The maximum speed indicates the stored energy available to start the engine, in addition to supporting the electronics and electrical systems and equipment.

Discharged Li-ion batteries cannot be recharged, unlike VRLA. Also, you should use chargers that are compatible with Li-ion batteries, although you can also use this charger for VRLA batteries.

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