Battery Basics: Lithium-Ion Battery Life

Lithium-ion batteries are very popular in the cordless power tools industry, and because of plenty of other good reasons. They are well-known for being heavy duty and high powered compared to alkaline batteries and nickel-based batteries. With their unique and state of the art technology, this sophisticated battery chemistry is considered to be more beneficial than the other battery chemistry available today. Despite the expensive cost, Li-ion power cells are the most preferred battery type in different industries and a multitude of applications.

Here we are going to learn the basic information and details that you have to know about this battery type. From the lithium-ion battery life, structure all the way to the great benefits that it offers, we are going to take a look at them all. This article will help you understand how these batteries work and why they are considered to be the most preferred type of battery for the power tools industry. It will provide you with all the information and details that you about the lithium-ion battery technology.

Average Life of A Lithium-Ion Battery in Power Tools

When it comes to the power tools industry, Li-ion batteries are widely used due to their smaller, lightweight and compact design. These batteries have an average life expectancy of two to three years, but they are usually measured by the charging and discharging cycles. A typical lithium-ion battery can offer up to 2000 charge-discharge cycle. This is a longer lifespan compared to what other battery chemistries has to offer, and they don’t suffer the infamous memory effect. Which makes them the ideal battery chemistry for the power tools that we are commonly using today.

How Lithium-Ion Batteries Actually Work

Just like any other batteries, a Li-ion battery is composed of a single or multiple power-generating cells. Where each cell is consisting of the three major components of a battery; the anode (positive electrode), the cathode (negative electrode) and electrolyte where the ions travel. Normally, the positive electrode of this battery chemistry is made from lithium iron phosphate or lithium-cobalt oxide. Its negative electrode is made from carbon then the electrolyte is commonly an organic solution that contains lithium salt.

At a discharging state, the lithium ions with the positive charge of the battery are attracted to the cathode. Causing them to move from the anode towards the cathode which causes it to be more positively charged than the anode. It eventually attracts negative electrons causing them to flow which generates the electricity. On the other hand, when the battery is at the charging state, this process is reversed. The ions within the battery are attracted to the anode, and the flow of electrons allows it to take in and store charge.

Key Qualities of A Lithium-Ion Power Cell

The lithium technology had a huge impact on the battery industry, and the Lithium-ion battery chemistry has become the most popular and sought-after type of battery today. Considered as the most preferred battery type in the power tools industry, there are plenty of reasons why this battery chemistry is so popular. If you want to find out about these benefits or advantages, you can take a look at the list below.

Lithium-Ion Batteries are Smaller and Lighter

Compared to its other battery chemistry counterparts, the Li-ion battery technology features a chemical structure that allows it to be smaller and lighter. This allows manufacturers to use more compact and lightweight battery designs for their portable power tools. This quality also makes this battery type the ideal choice for powering small handheld devices such as smartphones, tablets and more.

Higher Energy Density Compared to Others

One of the best assets of a lithium-ion battery is its high energy density. It may look small, compact and lightweight but it can store high amounts of energy that makes it perfect for sleek cordless power tools. These batteries may feature a lot smaller battery housings but never sacrifice the energy capacity that they can offer.

The Rate of Self-Discharge is Far More Lower

Another great thing about a Li-ion battery is that it has a very low self-discharge rate that allows it to have a longer shelf life compared to other battery types. It has an average self-discharge rate of 1.5% per month which is very low compared to the 20% per month of a nickel hydride battery chemistry.

Faster Rate of Recharge

Li-ion batteries also have a faster recharge rate compared to its alkaline and nickel-based counterparts. This key quality allows power tools to have significantly reduced downtime and increased run-time. Allowing them to be more productive at every task or application they are subjected to.

Don’t Suffer from Memory Effect

Unlike its nickel-based counterpart, a lithium-ion battery does not suffer from the infamous memory effect. It is the greatest downside of the nickel-based battery where it can significantly lose its capacity to store charge. This again makes a Li-ion battery more advantageous for power tools which increases their productivity.

Conclusion

Lone lithium-ion battery life, high energy density, sleek and compact design, and unaffected by memory effect. Li-ion batteries are the best or ideal choice for power tools. Although the cost of this battery type is high, it offers a lot of great benefits that overshadow its drawbacks. Making it the most sought-after battery chemistry for manufacturing power tools.

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